/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-newlib/float_req_bl_1130a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 11:59:36,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 11:59:36,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 11:59:36,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 11:59:36,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 11:59:36,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 11:59:36,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 11:59:36,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 11:59:36,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 11:59:36,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 11:59:36,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 11:59:36,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 11:59:36,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 11:59:36,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 11:59:36,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 11:59:36,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 11:59:36,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 11:59:36,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 11:59:36,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 11:59:36,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 11:59:36,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 11:59:36,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 11:59:36,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 11:59:36,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 11:59:36,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 11:59:36,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 11:59:36,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 11:59:36,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 11:59:36,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 11:59:36,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 11:59:36,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 11:59:36,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 11:59:36,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 11:59:36,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 11:59:36,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 11:59:36,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 11:59:36,921 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 [2020-07-08 11:59:36,935 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 11:59:36,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 11:59:36,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 11:59:36,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 11:59:36,937 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 11:59:36,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 11:59:36,937 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 11:59:36,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 11:59:36,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 11:59:36,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 11:59:36,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 11:59:36,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 11:59:36,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 11:59:36,939 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 11:59:36,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 11:59:36,939 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 11:59:36,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 11:59:36,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 11:59:36,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 11:59:36,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 11:59:36,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 11:59:36,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 11:59:36,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 11:59:36,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 11:59:36,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 11:59:36,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 11:59:36,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 11:59:36,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 11:59:36,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 11:59:36,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 11:59:37,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 11:59:37,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 11:59:37,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 11:59:37,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 11:59:37,236 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 11:59:37,236 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-07-08 11:59:37,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf761019/4e0d22891c42455d9557770b51315f4b/FLAG4a71c31d9 [2020-07-08 11:59:37,756 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 11:59:37,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-07-08 11:59:37,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf761019/4e0d22891c42455d9557770b51315f4b/FLAG4a71c31d9 [2020-07-08 11:59:38,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf761019/4e0d22891c42455d9557770b51315f4b [2020-07-08 11:59:38,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 11:59:38,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 11:59:38,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 11:59:38,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 11:59:38,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 11:59:38,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:59:38" (1/1) ... [2020-07-08 11:59:38,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b04fb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38, skipping insertion in model container [2020-07-08 11:59:38,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:59:38" (1/1) ... [2020-07-08 11:59:38,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 11:59:38,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 11:59:38,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:59:38,414 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 11:59:38,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:59:38,567 INFO L208 MainTranslator]: Completed translation [2020-07-08 11:59:38,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38 WrapperNode [2020-07-08 11:59:38,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 11:59:38,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 11:59:38,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 11:59:38,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 11:59:38,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38" (1/1) ... [2020-07-08 11:59:38,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38" (1/1) ... [2020-07-08 11:59:38,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38" (1/1) ... [2020-07-08 11:59:38,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38" (1/1) ... [2020-07-08 11:59:38,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38" (1/1) ... [2020-07-08 11:59:38,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38" (1/1) ... [2020-07-08 11:59:38,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38" (1/1) ... [2020-07-08 11:59:38,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 11:59:38,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 11:59:38,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 11:59:38,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 11:59:38,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38" (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 [2020-07-08 11:59:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 11:59:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 11:59:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-07-08 11:59:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-08 11:59:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 11:59:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 11:59:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-08 11:59:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-07-08 11:59:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 11:59:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 11:59:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 11:59:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 11:59:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 11:59:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 11:59:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-08 11:59:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 11:59:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 11:59:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-08 11:59:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 11:59:39,398 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 11:59:39,398 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-08 11:59:39,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:59:39 BoogieIcfgContainer [2020-07-08 11:59:39,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 11:59:39,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 11:59:39,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 11:59:39,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 11:59:39,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:59:38" (1/3) ... [2020-07-08 11:59:39,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76736d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:59:39, skipping insertion in model container [2020-07-08 11:59:39,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:38" (2/3) ... [2020-07-08 11:59:39,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76736d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:59:39, skipping insertion in model container [2020-07-08 11:59:39,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:59:39" (3/3) ... [2020-07-08 11:59:39,412 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-07-08 11:59:39,423 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 11:59:39,430 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 11:59:39,444 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 11:59:39,467 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 11:59:39,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 11:59:39,468 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 11:59:39,468 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 11:59:39,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 11:59:39,469 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 11:59:39,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 11:59:39,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 11:59:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-07-08 11:59:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-08 11:59:39,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:59:39,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 11:59:39,497 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:59:39,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:59:39,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1920116781, now seen corresponding path program 1 times [2020-07-08 11:59:39,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:59:39,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845498183] [2020-07-08 11:59:39,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:59:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:59:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:59:39,737 INFO L280 TraceCheckUtils]: 0: Hoare triple {76#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_fmod~0 := 1.0;call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8);call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); {64#true} is VALID [2020-07-08 11:59:39,737 INFO L280 TraceCheckUtils]: 1: Hoare triple {64#true} assume true; {64#true} is VALID [2020-07-08 11:59:39,738 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {64#true} {64#true} #217#return; {64#true} is VALID [2020-07-08 11:59:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:59:39,774 INFO L280 TraceCheckUtils]: 0: Hoare triple {77#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y;havoc ~n~0;havoc ~hx~0;havoc ~hy~0;havoc ~hz~0;havoc ~ix~0;havoc ~iy~0;havoc ~sx~0;havoc ~i~0; {64#true} is VALID [2020-07-08 11:59:39,775 INFO L280 TraceCheckUtils]: 1: Hoare triple {64#true} assume !true; {65#false} is VALID [2020-07-08 11:59:39,776 INFO L280 TraceCheckUtils]: 2: Hoare triple {65#false} assume !true; {65#false} is VALID [2020-07-08 11:59:39,776 INFO L280 TraceCheckUtils]: 3: Hoare triple {65#false} ~sx~0 := (if ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := ~bitwiseXor(~hx~0, ~sx~0);~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {65#false} is VALID [2020-07-08 11:59:39,776 INFO L280 TraceCheckUtils]: 4: Hoare triple {65#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040;#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {65#false} is VALID [2020-07-08 11:59:39,777 INFO L280 TraceCheckUtils]: 5: Hoare triple {65#false} assume true; {65#false} is VALID [2020-07-08 11:59:39,777 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {65#false} {64#true} #213#return; {65#false} is VALID [2020-07-08 11:59:39,781 INFO L263 TraceCheckUtils]: 0: Hoare triple {64#true} call ULTIMATE.init(); {76#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} is VALID [2020-07-08 11:59:39,781 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_fmod~0 := 1.0;call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8);call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); {64#true} is VALID [2020-07-08 11:59:39,781 INFO L280 TraceCheckUtils]: 2: Hoare triple {64#true} assume true; {64#true} is VALID [2020-07-08 11:59:39,782 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {64#true} {64#true} #217#return; {64#true} is VALID [2020-07-08 11:59:39,782 INFO L263 TraceCheckUtils]: 4: Hoare triple {64#true} call #t~ret18 := main(); {64#true} is VALID [2020-07-08 11:59:39,782 INFO L280 TraceCheckUtils]: 5: Hoare triple {64#true} ~x~0 := 0.0;~y~0 := #t~nondet14;havoc #t~nondet14; {64#true} is VALID [2020-07-08 11:59:39,783 INFO L280 TraceCheckUtils]: 6: Hoare triple {64#true} assume ~someBinaryFLOATComparisonOperation(~y~0, 0.0) || ~someBinaryFLOATComparisonOperation(~y~0, 0.0); {64#true} is VALID [2020-07-08 11:59:39,785 INFO L263 TraceCheckUtils]: 7: Hoare triple {64#true} call #t~ret15 := fmod_float(~x~0, ~y~0); {77#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 11:59:39,786 INFO L280 TraceCheckUtils]: 8: Hoare triple {77#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y;havoc ~n~0;havoc ~hx~0;havoc ~hy~0;havoc ~hz~0;havoc ~ix~0;havoc ~iy~0;havoc ~sx~0;havoc ~i~0; {64#true} is VALID [2020-07-08 11:59:39,787 INFO L280 TraceCheckUtils]: 9: Hoare triple {64#true} assume !true; {65#false} is VALID [2020-07-08 11:59:39,787 INFO L280 TraceCheckUtils]: 10: Hoare triple {65#false} assume !true; {65#false} is VALID [2020-07-08 11:59:39,788 INFO L280 TraceCheckUtils]: 11: Hoare triple {65#false} ~sx~0 := (if ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := ~bitwiseXor(~hx~0, ~sx~0);~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {65#false} is VALID [2020-07-08 11:59:39,788 INFO L280 TraceCheckUtils]: 12: Hoare triple {65#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040;#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {65#false} is VALID [2020-07-08 11:59:39,789 INFO L280 TraceCheckUtils]: 13: Hoare triple {65#false} assume true; {65#false} is VALID [2020-07-08 11:59:39,789 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {65#false} {64#true} #213#return; {65#false} is VALID [2020-07-08 11:59:39,789 INFO L280 TraceCheckUtils]: 15: Hoare triple {65#false} ~res~0 := #t~ret15;havoc #t~ret15;#t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); {65#false} is VALID [2020-07-08 11:59:39,790 INFO L280 TraceCheckUtils]: 16: Hoare triple {65#false} assume !#t~short17; {65#false} is VALID [2020-07-08 11:59:39,790 INFO L280 TraceCheckUtils]: 17: Hoare triple {65#false} assume !#t~short17;havoc #t~short17;havoc #t~ret16; {65#false} is VALID [2020-07-08 11:59:39,791 INFO L280 TraceCheckUtils]: 18: Hoare triple {65#false} assume !false; {65#false} is VALID [2020-07-08 11:59:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 11:59:39,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845498183] [2020-07-08 11:59:39,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:59:39,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 11:59:39,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891009950] [2020-07-08 11:59:39,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-07-08 11:59:39,805 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:59:39,809 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 11:59:39,855 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:59:39,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 11:59:39,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:59:39,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 11:59:39,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 11:59:39,867 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2020-07-08 11:59:40,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:59:40,429 INFO L93 Difference]: Finished difference Result 116 states and 180 transitions. [2020-07-08 11:59:40,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 11:59:40,429 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-07-08 11:59:40,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:59:40,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:59:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2020-07-08 11:59:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:59:40,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2020-07-08 11:59:40,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 180 transitions. [2020-07-08 11:59:40,687 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:59:40,700 INFO L225 Difference]: With dead ends: 116 [2020-07-08 11:59:40,701 INFO L226 Difference]: Without dead ends: 56 [2020-07-08 11:59:40,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 11:59:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-08 11:59:40,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-08 11:59:40,788 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:59:40,788 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-08 11:59:40,789 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-08 11:59:40,789 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-08 11:59:40,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:59:40,796 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2020-07-08 11:59:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2020-07-08 11:59:40,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:59:40,797 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:59:40,798 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-08 11:59:40,798 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-08 11:59:40,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:59:40,803 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2020-07-08 11:59:40,804 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2020-07-08 11:59:40,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:59:40,805 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:59:40,805 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:59:40,805 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:59:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-08 11:59:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 72 transitions. [2020-07-08 11:59:40,811 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 72 transitions. Word has length 19 [2020-07-08 11:59:40,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:59:40,812 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 72 transitions. [2020-07-08 11:59:40,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 11:59:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2020-07-08 11:59:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-08 11:59:40,813 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:59:40,814 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] [2020-07-08 11:59:40,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 11:59:40,814 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:59:40,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:59:40,815 INFO L82 PathProgramCache]: Analyzing trace with hash -2095475350, now seen corresponding path program 1 times [2020-07-08 11:59:40,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:59:40,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053798320] [2020-07-08 11:59:40,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:59:40,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 11:59:40,895 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1012) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1159) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) 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.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) [2020-07-08 11:59:40,901 INFO L168 Benchmark]: Toolchain (without parser) took 2750.17 ms. Allocated memory was 143.7 MB in the beginning and 231.2 MB in the end (delta: 87.6 MB). Free memory was 101.3 MB in the beginning and 84.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:40,902 INFO L168 Benchmark]: CDTParser took 0.20 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 11:59:40,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.69 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 176.7 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:40,904 INFO L168 Benchmark]: Boogie Preprocessor took 68.89 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 174.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:40,905 INFO L168 Benchmark]: RCFGBuilder took 765.09 ms. Allocated memory is still 200.8 MB. Free memory was 174.0 MB in the beginning and 126.1 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:40,906 INFO L168 Benchmark]: TraceAbstraction took 1493.93 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 125.4 MB in the beginning and 84.8 MB in the end (delta: 40.6 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:40,910 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 0.20 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 416.69 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 176.7 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.89 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 174.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 765.09 ms. Allocated memory is still 200.8 MB. Free memory was 174.0 MB in the beginning and 126.1 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1493.93 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 125.4 MB in the beginning and 84.8 MB in the end (delta: 40.6 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...