/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/sqrt_poly2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 12:57:02,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 12:57:02,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 12:57:02,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 12:57:02,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 12:57:02,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 12:57:02,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 12:57:02,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 12:57:02,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 12:57:02,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 12:57:02,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 12:57:02,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 12:57:02,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 12:57:02,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 12:57:02,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 12:57:02,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 12:57:02,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 12:57:02,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 12:57:02,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 12:57:02,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 12:57:02,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 12:57:02,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 12:57:02,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 12:57:02,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 12:57:02,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 12:57:02,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 12:57:02,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 12:57:02,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 12:57:02,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 12:57:02,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 12:57:02,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 12:57:02,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 12:57:02,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 12:57:02,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 12:57:02,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 12:57:02,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 12:57:02,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 12:57:02,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 12:57:02,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 12:57:02,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 12:57:02,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 12:57:02,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 12:57:02,318 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 12:57:02,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 12:57:02,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 12:57:02,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 12:57:02,320 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 12:57:02,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 12:57:02,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 12:57:02,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 12:57:02,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 12:57:02,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 12:57:02,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 12:57:02,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 12:57:02,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 12:57:02,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 12:57:02,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 12:57:02,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 12:57:02,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 12:57:02,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 12:57:02,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 12:57:02,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 12:57:02,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 12:57:02,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 12:57:02,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 12:57:02,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 12:57:02,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 12:57:02,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 12:57:02,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 12:57:02,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 12:57:02,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 12:57:02,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 12:57:02,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 12:57:02,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 12:57:02,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 12:57:02,812 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 12:57:02,812 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 12:57:02,813 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-09-04 12:57:02,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a229a6683/978d0f6067c6430b84596c88428b513e/FLAGe2c06fbda [2020-09-04 12:57:03,470 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 12:57:03,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-09-04 12:57:03,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a229a6683/978d0f6067c6430b84596c88428b513e/FLAGe2c06fbda [2020-09-04 12:57:03,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a229a6683/978d0f6067c6430b84596c88428b513e [2020-09-04 12:57:03,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 12:57:03,800 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 12:57:03,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 12:57:03,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 12:57:03,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 12:57:03,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:57:03" (1/1) ... [2020-09-04 12:57:03,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544d7f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:03, skipping insertion in model container [2020-09-04 12:57:03,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:57:03" (1/1) ... [2020-09-04 12:57:03,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 12:57:03,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 12:57:04,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:57:04,109 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 12:57:04,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:57:04,250 INFO L208 MainTranslator]: Completed translation [2020-09-04 12:57:04,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04 WrapperNode [2020-09-04 12:57:04,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 12:57:04,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 12:57:04,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 12:57:04,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 12:57:04,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04" (1/1) ... [2020-09-04 12:57:04,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04" (1/1) ... [2020-09-04 12:57:04,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04" (1/1) ... [2020-09-04 12:57:04,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04" (1/1) ... [2020-09-04 12:57:04,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04" (1/1) ... [2020-09-04 12:57:04,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04" (1/1) ... [2020-09-04 12:57:04,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04" (1/1) ... [2020-09-04 12:57:04,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 12:57:04,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 12:57:04,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 12:57:04,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 12:57:04,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04" (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 12:57:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 12:57:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 12:57:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-04 12:57:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 12:57:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure sqrt_custom [2020-09-04 12:57:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 12:57:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 12:57:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-04 12:57:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-04 12:57:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-04 12:57:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 12:57:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt_custom [2020-09-04 12:57:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 12:57:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-04 12:57:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 12:57:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 12:57:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-04 12:57:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 12:57:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 12:57:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 12:57:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 12:57:04,745 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 12:57:04,748 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 12:57:04,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:57:04 BoogieIcfgContainer [2020-09-04 12:57:04,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 12:57:04,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 12:57:04,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 12:57:04,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 12:57:04,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 12:57:03" (1/3) ... [2020-09-04 12:57:04,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6337f57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:57:04, skipping insertion in model container [2020-09-04 12:57:04,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:04" (2/3) ... [2020-09-04 12:57:04,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6337f57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:57:04, skipping insertion in model container [2020-09-04 12:57:04,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:57:04" (3/3) ... [2020-09-04 12:57:04,768 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_poly2.c [2020-09-04 12:57:04,778 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 12:57:04,788 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 12:57:04,808 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 12:57:04,834 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 12:57:04,834 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 12:57:04,834 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 12:57:04,834 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 12:57:04,835 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 12:57:04,835 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 12:57:04,835 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 12:57:04,835 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 12:57:04,855 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-09-04 12:57:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-04 12:57:04,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:57:04,864 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] [2020-09-04 12:57:04,864 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:57:04,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:57:04,871 INFO L82 PathProgramCache]: Analyzing trace with hash -306508764, now seen corresponding path program 1 times [2020-09-04 12:57:04,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:57:04,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769242538] [2020-09-04 12:57:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:57:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:57:05,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:57:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:57:05,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:57:05,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 12:57:05,142 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) 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.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 31 more [2020-09-04 12:57:05,149 INFO L168 Benchmark]: Toolchain (without parser) took 1348.29 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 105.1 MB in the beginning and 146.0 MB in the end (delta: -40.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-09-04 12:57:05,151 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 12:57:05,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.90 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 104.9 MB in the beginning and 183.4 MB in the end (delta: -78.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-09-04 12:57:05,153 INFO L168 Benchmark]: Boogie Preprocessor took 47.31 ms. Allocated memory is still 204.5 MB. Free memory was 183.4 MB in the beginning and 181.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-09-04 12:57:05,154 INFO L168 Benchmark]: RCFGBuilder took 455.84 ms. Allocated memory is still 204.5 MB. Free memory was 181.2 MB in the beginning and 163.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2020-09-04 12:57:05,155 INFO L168 Benchmark]: TraceAbstraction took 388.03 ms. Allocated memory is still 204.5 MB. Free memory was 163.0 MB in the beginning and 146.0 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2020-09-04 12:57:05,160 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 449.90 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 104.9 MB in the beginning and 183.4 MB in the end (delta: -78.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.31 ms. Allocated memory is still 204.5 MB. Free memory was 183.4 MB in the beginning and 181.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 455.84 ms. Allocated memory is still 204.5 MB. Free memory was 181.2 MB in the beginning and 163.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 388.03 ms. Allocated memory is still 204.5 MB. Free memory was 163.0 MB in the beginning and 146.0 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...