/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/ldv-regression/test10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 22:06:09,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 22:06:09,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 22:06:09,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 22:06:09,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 22:06:09,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 22:06:09,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 22:06:09,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 22:06:09,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 22:06:09,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 22:06:09,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 22:06:09,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 22:06:09,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 22:06:09,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 22:06:09,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 22:06:09,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 22:06:09,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 22:06:09,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 22:06:09,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 22:06:09,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 22:06:09,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 22:06:09,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 22:06:09,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 22:06:09,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 22:06:09,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 22:06:09,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 22:06:09,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 22:06:09,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 22:06:09,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 22:06:09,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 22:06:09,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 22:06:09,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 22:06:09,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 22:06:09,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 22:06:09,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 22:06:09,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 22:06:09,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 22:06:09,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 22:06:09,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 22:06:09,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 22:06:09,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 22:06:09,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 22:06:09,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 22:06:09,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 22:06:09,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 22:06:09,930 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 22:06:09,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 22:06:09,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 22:06:09,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 22:06:09,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 22:06:09,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 22:06:09,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 22:06:09,931 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 22:06:09,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 22:06:09,932 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 22:06:09,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 22:06:09,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 22:06:09,933 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 22:06:09,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 22:06:09,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 22:06:09,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 22:06:09,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 22:06:09,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 22:06:09,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 22:06:09,934 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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 [2020-09-04 22:06:10,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 22:06:10,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 22:06:10,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 22:06:10,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 22:06:10,440 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 22:06:10,441 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test10.c [2020-09-04 22:06:10,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd4b4c071/3b31c3991d3c44278bd851d6468115f9/FLAGf3433be78 [2020-09-04 22:06:11,057 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 22:06:11,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test10.c [2020-09-04 22:06:11,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd4b4c071/3b31c3991d3c44278bd851d6468115f9/FLAGf3433be78 [2020-09-04 22:06:11,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd4b4c071/3b31c3991d3c44278bd851d6468115f9 [2020-09-04 22:06:11,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 22:06:11,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 22:06:11,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 22:06:11,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 22:06:11,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 22:06:11,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:06:11" (1/1) ... [2020-09-04 22:06:11,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6251f5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11, skipping insertion in model container [2020-09-04 22:06:11,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:06:11" (1/1) ... [2020-09-04 22:06:11,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 22:06:11,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 22:06:11,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:06:11,691 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 22:06:11,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:06:11,727 INFO L208 MainTranslator]: Completed translation [2020-09-04 22:06:11,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11 WrapperNode [2020-09-04 22:06:11,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 22:06:11,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 22:06:11,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 22:06:11,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 22:06:11,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11" (1/1) ... [2020-09-04 22:06:11,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11" (1/1) ... [2020-09-04 22:06:11,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11" (1/1) ... [2020-09-04 22:06:11,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11" (1/1) ... [2020-09-04 22:06:11,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11" (1/1) ... [2020-09-04 22:06:11,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11" (1/1) ... [2020-09-04 22:06:11,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11" (1/1) ... [2020-09-04 22:06:11,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 22:06:11,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 22:06:11,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 22:06:11,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 22:06:11,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 22:06:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 22:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 22:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-09-04 22:06:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 22:06:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 22:06:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 22:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-09-04 22:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 22:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 22:06:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 22:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 22:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 22:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 22:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 22:06:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 22:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-04 22:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 22:06:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 22:06:12,301 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 22:06:12,302 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 22:06:12,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:06:12 BoogieIcfgContainer [2020-09-04 22:06:12,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 22:06:12,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 22:06:12,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 22:06:12,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 22:06:12,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:06:11" (1/3) ... [2020-09-04 22:06:12,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466b459e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:06:12, skipping insertion in model container [2020-09-04 22:06:12,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:11" (2/3) ... [2020-09-04 22:06:12,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466b459e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:06:12, skipping insertion in model container [2020-09-04 22:06:12,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:06:12" (3/3) ... [2020-09-04 22:06:12,318 INFO L109 eAbstractionObserver]: Analyzing ICFG test10.c [2020-09-04 22:06:12,330 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 22:06:12,340 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 22:06:12,365 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 22:06:12,390 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 22:06:12,390 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 22:06:12,391 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 22:06:12,391 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 22:06:12,391 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 22:06:12,391 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 22:06:12,391 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 22:06:12,392 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 22:06:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-09-04 22:06:12,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-04 22:06:12,425 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:06:12,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:06:12,426 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:06:12,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:06:12,434 INFO L82 PathProgramCache]: Analyzing trace with hash -424687121, now seen corresponding path program 1 times [2020-09-04 22:06:12,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:06:12,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240611880] [2020-09-04 22:06:12,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:06:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:06:13,014 ERROR L253 erpolLogProxyWrapper]: Interpolant 19 not inductive [2020-09-04 22:06:13,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 22:06:13,044 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:874) 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:106) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-09-04 22:06:13,054 INFO L168 Benchmark]: Toolchain (without parser) took 1624.40 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 123.7 MB in the end (delta: -24.1 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:13,055 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 22:06:13,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.27 ms. Allocated memory is still 142.6 MB. Free memory was 99.2 MB in the beginning and 89.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:13,060 INFO L168 Benchmark]: Boogie Preprocessor took 126.77 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 89.1 MB in the beginning and 177.6 MB in the end (delta: -88.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:13,061 INFO L168 Benchmark]: RCFGBuilder took 452.91 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 153.2 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:13,062 INFO L168 Benchmark]: TraceAbstraction took 738.89 ms. Allocated memory is still 199.8 MB. Free memory was 153.2 MB in the beginning and 123.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:13,073 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.27 ms. Allocated memory is still 142.6 MB. Free memory was 99.2 MB in the beginning and 89.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.77 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 89.1 MB in the beginning and 177.6 MB in the end (delta: -88.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 452.91 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 153.2 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 738.89 ms. Allocated memory is still 199.8 MB. Free memory was 153.2 MB in the beginning and 123.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...