/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/ldv-regression/test10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:16:34,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:16:34,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:16:34,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 05:16:34,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 05:16:34,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 05:16:34,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 05:16:34,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 05:16:34,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 05:16:34,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 05:16:34,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 05:16:34,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 05:16:34,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:16:34,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:16:34,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:16:34,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:16:34,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:16:34,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:16:34,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:16:34,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:16:34,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:16:34,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:16:34,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:16:34,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:16:34,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:16:34,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:16:34,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:16:34,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:16:34,166 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:16:34,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:16:34,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:16:34,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:16:34,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:16:34,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:16:34,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:16:34,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:16:34,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:16:34,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:16:34,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:16:34,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:16:34,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:16:34,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:16:34,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:16:34,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:16:34,195 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:16:34,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:16:34,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:16:34,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:16:34,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:16:34,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:16:34,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:16:34,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:16:34,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:16:34,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:16:34,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:16:34,596 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:16:34,597 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:16:34,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test10.c [2020-11-07 05:16:34,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4781ede59/d2bba9626adb49d587b9ede37818f4f2/FLAG370acc188 [2020-11-07 05:16:35,289 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:16:35,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test10.c [2020-11-07 05:16:35,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4781ede59/d2bba9626adb49d587b9ede37818f4f2/FLAG370acc188 [2020-11-07 05:16:35,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4781ede59/d2bba9626adb49d587b9ede37818f4f2 [2020-11-07 05:16:35,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:16:35,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:16:35,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:16:35,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:16:35,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:16:35,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:16:35" (1/1) ... [2020-11-07 05:16:35,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88d1a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35, skipping insertion in model container [2020-11-07 05:16:35,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:16:35" (1/1) ... [2020-11-07 05:16:35,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:16:35,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:16:35,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:16:35,885 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:16:35,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:16:35,921 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:16:35,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35 WrapperNode [2020-11-07 05:16:35,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:16:35,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:16:35,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:16:35,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:16:35,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35" (1/1) ... [2020-11-07 05:16:35,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35" (1/1) ... [2020-11-07 05:16:35,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35" (1/1) ... [2020-11-07 05:16:35,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35" (1/1) ... [2020-11-07 05:16:35,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35" (1/1) ... [2020-11-07 05:16:35,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35" (1/1) ... [2020-11-07 05:16:35,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35" (1/1) ... [2020-11-07 05:16:35,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:16:35,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:16:35,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:16:35,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:16:35,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35" (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 [2020-11-07 05:16:36,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:16:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:16:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:16:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-07 05:16:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:16:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:16:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:16:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:16:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:16:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:16:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-07 05:16:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 05:16:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 05:16:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:16:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:16:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:16:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:16:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:16:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-07 05:16:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:16:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:16:36,546 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:16:36,546 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-07 05:16:36,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:16:36 BoogieIcfgContainer [2020-11-07 05:16:36,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:16:36,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:16:36,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:16:36,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:16:36,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:16:35" (1/3) ... [2020-11-07 05:16:36,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761a6392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:16:36, skipping insertion in model container [2020-11-07 05:16:36,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:16:35" (2/3) ... [2020-11-07 05:16:36,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761a6392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:16:36, skipping insertion in model container [2020-11-07 05:16:36,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:16:36" (3/3) ... [2020-11-07 05:16:36,558 INFO L111 eAbstractionObserver]: Analyzing ICFG test10.c [2020-11-07 05:16:36,573 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:16:36,577 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:16:36,588 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:16:36,613 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:16:36,613 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:16:36,613 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:16:36,613 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:16:36,613 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:16:36,613 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:16:36,614 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:16:36,614 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:16:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-07 05:16:36,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-07 05:16:36,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:16:36,644 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] [2020-11-07 05:16:36,645 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:16:36,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:16:36,651 INFO L82 PathProgramCache]: Analyzing trace with hash -605122430, now seen corresponding path program 1 times [2020-11-07 05:16:36,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:16:36,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672057445] [2020-11-07 05:16:36,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:16:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:16:37,227 ERROR L253 erpolLogProxyWrapper]: Interpolant 19 not inductive [2020-11-07 05:16:37,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:16:37,239 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.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:109) 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:343) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-07 05:16:37,247 INFO L168 Benchmark]: Toolchain (without parser) took 1580.20 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 98.4 MB in the end (delta: 28.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. [2020-11-07 05:16:37,247 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 05:16:37,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.84 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 116.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-07 05:16:37,250 INFO L168 Benchmark]: Boogie Preprocessor took 36.82 ms. Allocated memory is still 151.0 MB. Free memory was 116.6 MB in the beginning and 115.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-07 05:16:37,251 INFO L168 Benchmark]: RCFGBuilder took 586.19 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 128.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 8.0 GB. [2020-11-07 05:16:37,252 INFO L168 Benchmark]: TraceAbstraction took 692.66 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 98.4 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. [2020-11-07 05:16:37,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 245.84 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 116.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.82 ms. Allocated memory is still 151.0 MB. Free memory was 116.6 MB in the beginning and 115.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 586.19 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 128.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 692.66 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 98.4 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 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...