/usr/bin/java -ea -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 0.1.25-8fc6572 [2020-07-10 14:38:02,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:38:02,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:38:02,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:38:02,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:38:02,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:38:02,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:38:02,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:38:02,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:38:02,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:38:02,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:38:02,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:38:02,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:38:02,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:38:02,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:38:02,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:38:02,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:38:02,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:38:02,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:38:02,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:38:02,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:38:02,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:38:02,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:38:02,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:38:02,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 14:38:02,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 14:38:02,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 14:38:02,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 14:38:02,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 14:38:02,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 14:38:02,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 14:38:02,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 14:38:02,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 14:38:02,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 14:38:02,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 14:38:02,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 14:38:02,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 14:38:02,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 14:38:02,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:38:02,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:38:02,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:38:02,956 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 14:38:02,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:38:02,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:38:02,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:38:02,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:38:02,988 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:38:02,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:38:02,988 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:38:02,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:38:02,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:38:02,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:38:02,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:38:02,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:38:02,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:38:02,991 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:38:02,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:38:02,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:38:02,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:38:02,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:38:02,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:38:02,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:38:02,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:38:02,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:38:02,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:38:02,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:38:02,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:38:02,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:38:02,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:38:02,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:38:02,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:38:02,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:38:03,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:38:03,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:38:03,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:38:03,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:38:03,312 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:38:03,312 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-07-10 14:38:03,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cfaae84/572331a5f98146b2af2e622a1a5a0b57/FLAGf8cac1add [2020-07-10 14:38:03,872 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:38:03,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-07-10 14:38:03,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cfaae84/572331a5f98146b2af2e622a1a5a0b57/FLAGf8cac1add [2020-07-10 14:38:04,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cfaae84/572331a5f98146b2af2e622a1a5a0b57 [2020-07-10 14:38:04,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:38:04,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:38:04,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:38:04,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:38:04,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:38:04,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:38:04" (1/1) ... [2020-07-10 14:38:04,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a600125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04, skipping insertion in model container [2020-07-10 14:38:04,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:38:04" (1/1) ... [2020-07-10 14:38:04,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:38:04,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:38:04,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:38:04,533 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:38:04,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:38:04,684 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:38:04,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04 WrapperNode [2020-07-10 14:38:04,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:38:04,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:38:04,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:38:04,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:38:04,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04" (1/1) ... [2020-07-10 14:38:04,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04" (1/1) ... [2020-07-10 14:38:04,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04" (1/1) ... [2020-07-10 14:38:04,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04" (1/1) ... [2020-07-10 14:38:04,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04" (1/1) ... [2020-07-10 14:38:04,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04" (1/1) ... [2020-07-10 14:38:04,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04" (1/1) ... [2020-07-10 14:38:04,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:38:04,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:38:04,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:38:04,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:38:04,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04" (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 [2020-07-10 14:38:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:38:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:38:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 14:38:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 14:38:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sqrt_custom [2020-07-10 14:38:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:38:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:38:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-10 14:38:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 14:38:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 14:38:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 14:38:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt_custom [2020-07-10 14:38:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 14:38:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 14:38:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 14:38:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 14:38:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 14:38:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 14:38:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:38:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:38:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:38:05,214 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:38:05,215 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 14:38:05,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:38:05 BoogieIcfgContainer [2020-07-10 14:38:05,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:38:05,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:38:05,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:38:05,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:38:05,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:38:04" (1/3) ... [2020-07-10 14:38:05,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2def2ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:38:05, skipping insertion in model container [2020-07-10 14:38:05,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:38:04" (2/3) ... [2020-07-10 14:38:05,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2def2ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:38:05, skipping insertion in model container [2020-07-10 14:38:05,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:38:05" (3/3) ... [2020-07-10 14:38:05,227 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_poly2.c [2020-07-10 14:38:05,238 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:38:05,246 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:38:05,257 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:38:05,283 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:38:05,284 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:38:05,284 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:38:05,284 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:38:05,284 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:38:05,284 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:38:05,284 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:38:05,284 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:38:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-07-10 14:38:05,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-10 14:38:05,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:38:05,319 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] [2020-07-10 14:38:05,320 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:38:05,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:38:05,325 INFO L82 PathProgramCache]: Analyzing trace with hash -306508764, now seen corresponding path program 1 times [2020-07-10 14:38:05,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:38:05,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878159250] [2020-07-10 14:38:05,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:38:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:38:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:38:05,586 INFO L280 TraceCheckUtils]: 0: Hoare triple {47#(and (= ~C4~0 |old(~C4~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~C0~0 |old(~C0~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~C3~0 |old(~C3~0)|) (= ~C5~0 |old(~C5~0)|) (= ~C2~0 |old(~C2~0)|) (= ~C1~0 |old(~C1~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~C0~0 := 1.414213538;~C1~0 := 0.229761391;~C2~0 := 1.296735525;~C3~0 := ~someUnaryDOUBLEoperation(0.90109837);~C4~0 := 0.4935534;~C5~0 := ~someUnaryDOUBLEoperation(0.118958666); {33#true} is VALID [2020-07-10 14:38:05,587 INFO L280 TraceCheckUtils]: 1: Hoare triple {33#true} assume true; {33#true} is VALID [2020-07-10 14:38:05,588 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {33#true} {33#true} #47#return; {33#true} is VALID [2020-07-10 14:38:05,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:38:05,593 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: free vars in versioneered term: [Lde.uni_freiburg.informatik.ultimate.logic.TermVariable;@545e0dd0 at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedSsaBuilder$VariableVersioneer.getVersioneeredTerm(NestedSsaBuilder.java:598) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedSsaBuilder.buildSSA(NestedSsaBuilder.java:223) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedSsaBuilder.(NestedSsaBuilder.java:162) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:283) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:388) 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.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) [2020-07-10 14:38:05,600 INFO L168 Benchmark]: Toolchain (without parser) took 1303.25 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 101.7 MB in the beginning and 131.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2020-07-10 14:38:05,601 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 14:38:05,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.87 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 101.2 MB in the beginning and 178.7 MB in the end (delta: -77.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-07-10 14:38:05,603 INFO L168 Benchmark]: Boogie Preprocessor took 45.87 ms. Allocated memory is still 199.8 MB. Free memory was 178.7 MB in the beginning and 175.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-07-10 14:38:05,604 INFO L168 Benchmark]: RCFGBuilder took 486.89 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 152.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-10 14:38:05,605 INFO L168 Benchmark]: TraceAbstraction took 376.49 ms. Allocated memory is still 199.8 MB. Free memory was 152.2 MB in the beginning and 131.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-07-10 14:38:05,610 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 387.87 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 101.2 MB in the beginning and 178.7 MB in the end (delta: -77.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.87 ms. Allocated memory is still 199.8 MB. Free memory was 178.7 MB in the beginning and 175.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 486.89 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 152.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 376.49 ms. Allocated memory is still 199.8 MB. Free memory was 152.2 MB in the beginning and 131.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: free vars in versioneered term: [Lde.uni_freiburg.informatik.ultimate.logic.TermVariable;@545e0dd0 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: free vars in versioneered term: [Lde.uni_freiburg.informatik.ultimate.logic.TermVariable;@545e0dd0: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedSsaBuilder$VariableVersioneer.getVersioneeredTerm(NestedSsaBuilder.java:598) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...