/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:23:12,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:23:12,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:23:12,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:23:12,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:23:12,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:23:12,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:23:12,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:23:12,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:23:12,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:23:12,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:23:12,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:23:12,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:23:12,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:23:12,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:23:12,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:23:12,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:23:12,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:23:12,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:23:12,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:23:12,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:23:12,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:23:12,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:23:12,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:23:12,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:23:12,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:23:12,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:23:12,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:23:12,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:23:12,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:23:12,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:23:12,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:23:12,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:23:12,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:23:12,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:23:12,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:23:12,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:23:12,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:23:12,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:23:12,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:23:12,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:23:12,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:23:12,931 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:23:12,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:23:12,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:23:12,934 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:23:12,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:23:12,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:23:12,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:23:12,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:23:12,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:23:12,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:23:12,939 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:23:12,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:23:12,939 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:23:12,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:23:12,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:23:12,940 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:23:12,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:23:12,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:23:12,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:23:12,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:23:12,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:23:12,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:23:12,942 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 [2020-07-07 15:23:13,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:23:13,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:23:13,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:23:13,318 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:23:13,319 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:23:13,319 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1.cil-1.c [2020-07-07 15:23:13,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be825f6a7/961b7220a38e411c985ddc0a233ccec4/FLAGbc7fc9c1c [2020-07-07 15:23:13,915 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:23:13,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1.cil-1.c [2020-07-07 15:23:13,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be825f6a7/961b7220a38e411c985ddc0a233ccec4/FLAGbc7fc9c1c [2020-07-07 15:23:14,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be825f6a7/961b7220a38e411c985ddc0a233ccec4 [2020-07-07 15:23:14,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:23:14,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:23:14,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:23:14,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:23:14,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:23:14,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:23:14" (1/1) ... [2020-07-07 15:23:14,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cac8201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14, skipping insertion in model container [2020-07-07 15:23:14,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:23:14" (1/1) ... [2020-07-07 15:23:14,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:23:14,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:23:14,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:23:14,555 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:23:14,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:23:14,725 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:23:14,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14 WrapperNode [2020-07-07 15:23:14,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:23:14,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:23:14,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:23:14,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:23:14,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14" (1/1) ... [2020-07-07 15:23:14,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14" (1/1) ... [2020-07-07 15:23:14,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14" (1/1) ... [2020-07-07 15:23:14,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14" (1/1) ... [2020-07-07 15:23:14,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14" (1/1) ... [2020-07-07 15:23:14,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14" (1/1) ... [2020-07-07 15:23:14,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14" (1/1) ... [2020-07-07 15:23:14,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:23:14,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:23:14,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:23:14,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:23:14,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14" (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 [2020-07-07 15:23:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:23:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:23:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-07-07 15:23:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:23:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:23:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-07 15:23:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:23:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-07 15:23:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-07-07 15:23:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:23:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:23:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:23:15,066 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-07 15:23:15,774 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-07-07 15:23:15,774 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-07-07 15:23:15,804 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:23:15,804 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 15:23:15,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:23:15 BoogieIcfgContainer [2020-07-07 15:23:15,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:23:15,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:23:15,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:23:15,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:23:15,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:23:14" (1/3) ... [2020-07-07 15:23:15,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be90e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:23:15, skipping insertion in model container [2020-07-07 15:23:15,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:14" (2/3) ... [2020-07-07 15:23:15,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be90e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:23:15, skipping insertion in model container [2020-07-07 15:23:15,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:23:15" (3/3) ... [2020-07-07 15:23:15,833 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.cil-1.c [2020-07-07 15:23:15,844 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:23:15,855 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:23:15,870 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:23:15,890 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:23:15,890 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:23:15,891 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:23:15,891 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:23:15,891 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:23:15,891 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:23:15,891 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:23:15,892 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:23:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states. [2020-07-07 15:23:15,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-07 15:23:15,940 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:23:15,942 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, 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, 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] [2020-07-07 15:23:15,942 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:23:15,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:23:15,950 INFO L82 PathProgramCache]: Analyzing trace with hash 42998903, now seen corresponding path program 1 times [2020-07-07 15:23:15,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:23:15,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755376370] [2020-07-07 15:23:15,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:23:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:23:16,038 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:23:16,039 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) 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:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) 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) [2020-07-07 15:23:16,045 INFO L168 Benchmark]: Toolchain (without parser) took 1815.95 ms. Allocated memory was 146.3 MB in the beginning and 234.9 MB in the end (delta: 88.6 MB). Free memory was 103.7 MB in the beginning and 202.6 MB in the end (delta: -98.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 15:23:16,046 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 146.3 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 15:23:16,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.70 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.5 MB in the beginning and 179.7 MB in the end (delta: -76.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:16,048 INFO L168 Benchmark]: Boogie Preprocessor took 63.14 ms. Allocated memory is still 203.9 MB. Free memory was 179.7 MB in the beginning and 177.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:16,049 INFO L168 Benchmark]: RCFGBuilder took 1026.91 ms. Allocated memory is still 203.9 MB. Free memory was 177.1 MB in the beginning and 107.6 MB in the end (delta: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:16,050 INFO L168 Benchmark]: TraceAbstraction took 223.54 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 107.0 MB in the beginning and 202.6 MB in the end (delta: -95.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 15:23:16,054 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 146.3 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 496.70 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.5 MB in the beginning and 179.7 MB in the end (delta: -76.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.14 ms. Allocated memory is still 203.9 MB. Free memory was 179.7 MB in the beginning and 177.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1026.91 ms. Allocated memory is still 203.9 MB. Free memory was 177.1 MB in the beginning and 107.6 MB in the end (delta: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223.54 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 107.0 MB in the beginning and 202.6 MB in the end (delta: -95.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...