/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/array-fpi/condmf.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 00:21:29,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 00:21:29,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 00:21:29,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 00:21:29,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 00:21:29,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 00:21:29,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 00:21:29,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-22 00:21:29,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 00:21:29,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 00:21:29,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 00:21:29,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 00:21:29,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 00:21:29,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 00:21:29,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 00:21:29,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 00:21:29,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 00:21:29,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 00:21:29,883 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 00:21:29,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 00:21:29,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 00:21:29,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 00:21:29,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 00:21:29,885 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 00:21:29,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 00:21:29,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 00:21:29,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 00:21:29,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 00:21:29,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 00:21:29,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 00:21:29,886 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-22 00:21:30,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 00:21:30,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 00:21:30,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 00:21:30,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 00:21:30,336 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 00:21:30,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/condmf.c [2021-02-22 00:21:30,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fead0f2/6855e0d39f6742e18ab7e28cf1d175e8/FLAGfc0ac518e [2021-02-22 00:21:31,010 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 00:21:31,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/condmf.c [2021-02-22 00:21:31,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fead0f2/6855e0d39f6742e18ab7e28cf1d175e8/FLAGfc0ac518e [2021-02-22 00:21:31,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fead0f2/6855e0d39f6742e18ab7e28cf1d175e8 [2021-02-22 00:21:31,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 00:21:31,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 00:21:31,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 00:21:31,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 00:21:31,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 00:21:31,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:21:31" (1/1) ... [2021-02-22 00:21:31,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfcaf23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31, skipping insertion in model container [2021-02-22 00:21:31,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:21:31" (1/1) ... [2021-02-22 00:21:31,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 00:21:31,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 00:21:31,585 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/condmf.c[589,602] [2021-02-22 00:21:31,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:21:31,612 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 00:21:31,625 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/condmf.c[589,602] [2021-02-22 00:21:31,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:21:31,648 INFO L208 MainTranslator]: Completed translation [2021-02-22 00:21:31,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31 WrapperNode [2021-02-22 00:21:31,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 00:21:31,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 00:21:31,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 00:21:31,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 00:21:31,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31" (1/1) ... [2021-02-22 00:21:31,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31" (1/1) ... [2021-02-22 00:21:31,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31" (1/1) ... [2021-02-22 00:21:31,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31" (1/1) ... [2021-02-22 00:21:31,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31" (1/1) ... [2021-02-22 00:21:31,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31" (1/1) ... [2021-02-22 00:21:31,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31" (1/1) ... [2021-02-22 00:21:31,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 00:21:31,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 00:21:31,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 00:21:31,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 00:21:31,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31" (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 [2021-02-22 00:21:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 00:21:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 00:21:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 00:21:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-22 00:21:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-22 00:21:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 00:21:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 00:21:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 00:21:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 00:21:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 00:21:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-22 00:21:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-22 00:21:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 00:21:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 00:21:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 00:21:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 00:21:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 00:21:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 00:21:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 00:21:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 00:21:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 00:21:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 00:21:32,167 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 00:21:32,168 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-02-22 00:21:32,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:21:32 BoogieIcfgContainer [2021-02-22 00:21:32,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 00:21:32,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 00:21:32,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 00:21:32,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 00:21:32,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:21:31" (1/3) ... [2021-02-22 00:21:32,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36543d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:21:32, skipping insertion in model container [2021-02-22 00:21:32,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:21:31" (2/3) ... [2021-02-22 00:21:32,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36543d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:21:32, skipping insertion in model container [2021-02-22 00:21:32,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:21:32" (3/3) ... [2021-02-22 00:21:32,194 INFO L111 eAbstractionObserver]: Analyzing ICFG condmf.c [2021-02-22 00:21:32,206 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 00:21:32,215 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 00:21:32,251 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 00:21:32,291 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 00:21:32,291 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 00:21:32,293 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-22 00:21:32,293 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 00:21:32,294 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 00:21:32,294 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 00:21:32,295 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 00:21:32,295 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 00:21:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2021-02-22 00:21:32,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-02-22 00:21:32,347 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:21:32,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 00:21:32,349 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:21:32,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:21:32,361 INFO L82 PathProgramCache]: Analyzing trace with hash -2046579494, now seen corresponding path program 1 times [2021-02-22 00:21:32,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:21:32,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945798485] [2021-02-22 00:21:32,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:21:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:21:32,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 00:21:32,579 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Proofs are not supported at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 00:21:32,590 INFO L168 Benchmark]: Toolchain (without parser) took 1200.72 ms. Allocated memory is still 157.3 MB. Free memory was 132.1 MB in the beginning and 123.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. [2021-02-22 00:21:32,591 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 132.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:21:32,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.24 ms. Allocated memory is still 157.3 MB. Free memory was 131.0 MB in the beginning and 121.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-22 00:21:32,594 INFO L168 Benchmark]: Boogie Preprocessor took 38.87 ms. Allocated memory is still 157.3 MB. Free memory was 121.1 MB in the beginning and 119.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-22 00:21:32,598 INFO L168 Benchmark]: RCFGBuilder took 480.01 ms. Allocated memory is still 157.3 MB. Free memory was 119.5 MB in the beginning and 136.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. [2021-02-22 00:21:32,599 INFO L168 Benchmark]: TraceAbstraction took 409.19 ms. Allocated memory is still 157.3 MB. Free memory was 135.6 MB in the beginning and 123.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-22 00:21:32,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 132.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 250.24 ms. Allocated memory is still 157.3 MB. Free memory was 131.0 MB in the beginning and 121.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 38.87 ms. Allocated memory is still 157.3 MB. Free memory was 121.1 MB in the beginning and 119.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 480.01 ms. Allocated memory is still 157.3 MB. Free memory was 119.5 MB in the beginning and 136.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 409.19 ms. Allocated memory is still 157.3 MB. Free memory was 135.6 MB in the beginning and 123.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Proofs are not supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Proofs are not supported: de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...