/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:34:52,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:34:52,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:34:52,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:34:52,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:34:52,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:34:52,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:34:52,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:34:52,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:34:52,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:34:52,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:34:52,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:34:52,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:34:52,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:34:52,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:34:52,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:34:52,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:34:52,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:34:52,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:34:52,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:34:52,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:34:52,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:34:52,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:34:52,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:34:52,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 20:34:52,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:34:52,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:34:52,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:34:52,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:34:52,992 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:34:52,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:34:52,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:34:52,995 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:34:52,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:34:52,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:34:52,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:34:52,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:34:52,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:34:52,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:34:52,996 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:34:52,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:34:52,997 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:34:52,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:34:52,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:34:52,998 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:34:52,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:34:52,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:34:52,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:34:52,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:34:52,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:34:52,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:34:53,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:34:53,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:34:53,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:34:53,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:34:53,399 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:34:53,399 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:34:53,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test10.c [2020-10-23 20:34:53,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3b887d9c/b06412f4d6a549fb932d57f36797e330/FLAGaea57d461 [2020-10-23 20:34:54,092 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:34:54,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test10.c [2020-10-23 20:34:54,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3b887d9c/b06412f4d6a549fb932d57f36797e330/FLAGaea57d461 [2020-10-23 20:34:54,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3b887d9c/b06412f4d6a549fb932d57f36797e330 [2020-10-23 20:34:54,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:34:54,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:34:54,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:34:54,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:34:54,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:34:54,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:34:54" (1/1) ... [2020-10-23 20:34:54,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1188a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54, skipping insertion in model container [2020-10-23 20:34:54,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:34:54" (1/1) ... [2020-10-23 20:34:54,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:34:54,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:34:54,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:34:54,748 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:34:54,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:34:54,794 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:34:54,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54 WrapperNode [2020-10-23 20:34:54,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:34:54,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:34:54,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:34:54,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:34:54,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54" (1/1) ... [2020-10-23 20:34:54,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54" (1/1) ... [2020-10-23 20:34:54,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54" (1/1) ... [2020-10-23 20:34:54,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54" (1/1) ... [2020-10-23 20:34:54,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54" (1/1) ... [2020-10-23 20:34:54,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54" (1/1) ... [2020-10-23 20:34:54,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54" (1/1) ... [2020-10-23 20:34:54,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:34:54,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:34:54,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:34:54,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:34:54,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54" (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 [2020-10-23 20:34:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:34:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:34:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:34:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-23 20:34:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:34:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:34:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:34:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:34:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:34:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:34:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-23 20:34:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:34:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:34:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:34:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:34:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:34:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:34:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:34:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-23 20:34:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:34:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:34:55,368 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:34:55,368 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 20:34:55,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:34:55 BoogieIcfgContainer [2020-10-23 20:34:55,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:34:55,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:34:55,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:34:55,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:34:55,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:34:54" (1/3) ... [2020-10-23 20:34:55,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c110a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:34:55, skipping insertion in model container [2020-10-23 20:34:55,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:34:54" (2/3) ... [2020-10-23 20:34:55,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c110a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:34:55, skipping insertion in model container [2020-10-23 20:34:55,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:34:55" (3/3) ... [2020-10-23 20:34:55,380 INFO L111 eAbstractionObserver]: Analyzing ICFG test10.c [2020-10-23 20:34:55,394 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:34:55,400 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 20:34:55,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 20:34:55,445 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:34:55,445 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:34:55,446 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:34:55,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:34:55,446 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:34:55,446 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:34:55,446 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:34:55,446 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:34:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-10-23 20:34:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-23 20:34:55,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:34:55,480 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, 1, 1, 1, 1, 1, 1] [2020-10-23 20:34:55,480 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:34:55,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:34:55,496 INFO L82 PathProgramCache]: Analyzing trace with hash -605122430, now seen corresponding path program 1 times [2020-10-23 20:34:55,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:34:55,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952231184] [2020-10-23 20:34:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:34:55,616 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:34:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:34:56,163 ERROR L253 erpolLogProxyWrapper]: Interpolant 19 not inductive [2020-10-23 20:34:56,178 ERROR L275 FreeRefinementEngine]: Caught unknown exception: generated interpolants did not pass sanity check [2020-10-23 20:34:56,178 WARN L340 FreeRefinementEngine]: Global settings require throwing the following exception [2020-10-23 20:34:56,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:34:56,180 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:876) 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.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:154) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:108) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:322) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:147) 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:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) 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:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-23 20:34:56,186 INFO L168 Benchmark]: Toolchain (without parser) took 1699.74 ms. Allocated memory is still 151.0 MB. Free memory was 107.2 MB in the beginning and 82.2 MB in the end (delta: 25.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:56,187 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:34:56,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.63 ms. Allocated memory is still 151.0 MB. Free memory was 106.7 MB in the beginning and 97.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:56,189 INFO L168 Benchmark]: Boogie Preprocessor took 38.20 ms. Allocated memory is still 151.0 MB. Free memory was 97.1 MB in the beginning and 95.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:56,191 INFO L168 Benchmark]: RCFGBuilder took 535.86 ms. Allocated memory is still 151.0 MB. Free memory was 95.4 MB in the beginning and 113.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:56,192 INFO L168 Benchmark]: TraceAbstraction took 810.30 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 82.2 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. [2020-10-23 20:34:56,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 299.63 ms. Allocated memory is still 151.0 MB. Free memory was 106.7 MB in the beginning and 97.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 38.20 ms. Allocated memory is still 151.0 MB. Free memory was 97.1 MB in the beginning and 95.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 535.86 ms. Allocated memory is still 151.0 MB. Free memory was 95.4 MB in the beginning and 113.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 810.30 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 82.2 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 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...