/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 15:54:24,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 15:54:24,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 15:54:24,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 15:54:24,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 15:54:24,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 15:54:24,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 15:54:24,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 15:54:24,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 15:54:24,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 15:54:24,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 15:54:24,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 15:54:24,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 15:54:24,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 15:54:24,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 15:54:24,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 15:54:24,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 15:54:24,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 15:54:24,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 15:54:24,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 15:54:24,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 15:54:24,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 15:54:24,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 15:54:24,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 15:54:24,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 15:54:24,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 15:54:24,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 15:54:24,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 15:54:24,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 15:54:24,233 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 15:54:24,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 15:54:24,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 15:54:24,240 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 15:54:24,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 15:54:24,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 15:54:24,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 15:54:24,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 15:54:24,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 15:54:24,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 15:54:24,242 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 15:54:24,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 15:54:24,242 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 15:54:24,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 15:54:24,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 15:54:24,243 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 15:54:24,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 15:54:24,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 15:54:24,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:54:24,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 15:54:24,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 15:54:24,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 15:54:24,246 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 15:54:24,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 15:54:24,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 15:54:24,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 15:54:24,569 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 15:54:24,570 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 15:54:24,570 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-07-08 15:54:24,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87c349b7/d102dbb38fd3490a87ad1a1299314b76/FLAG7ce69764e [2020-07-08 15:54:25,122 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 15:54:25,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-07-08 15:54:25,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87c349b7/d102dbb38fd3490a87ad1a1299314b76/FLAG7ce69764e [2020-07-08 15:54:25,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87c349b7/d102dbb38fd3490a87ad1a1299314b76 [2020-07-08 15:54:25,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 15:54:25,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 15:54:25,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 15:54:25,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 15:54:25,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 15:54:25,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:54:25" (1/1) ... [2020-07-08 15:54:25,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680704c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25, skipping insertion in model container [2020-07-08 15:54:25,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:54:25" (1/1) ... [2020-07-08 15:54:25,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 15:54:25,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 15:54:25,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:54:25,795 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 15:54:25,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:54:25,953 INFO L208 MainTranslator]: Completed translation [2020-07-08 15:54:25,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25 WrapperNode [2020-07-08 15:54:25,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 15:54:25,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 15:54:25,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 15:54:25,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 15:54:25,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25" (1/1) ... [2020-07-08 15:54:25,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25" (1/1) ... [2020-07-08 15:54:25,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25" (1/1) ... [2020-07-08 15:54:25,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25" (1/1) ... [2020-07-08 15:54:26,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25" (1/1) ... [2020-07-08 15:54:26,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25" (1/1) ... [2020-07-08 15:54:26,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25" (1/1) ... [2020-07-08 15:54:26,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 15:54:26,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 15:54:26,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 15:54:26,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 15:54:26,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25" (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 15:54:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 15:54:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 15:54:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-07-08 15:54:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-08 15:54:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 15:54:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 15:54:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-08 15:54:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-07-08 15:54:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 15:54:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 15:54:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 15:54:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 15:54:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 15:54:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 15:54:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-08 15:54:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 15:54:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 15:54:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-08 15:54:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 15:54:26,894 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 15:54:26,895 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-08 15:54:26,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:54:26 BoogieIcfgContainer [2020-07-08 15:54:26,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 15:54:26,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 15:54:26,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 15:54:26,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 15:54:26,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 03:54:25" (1/3) ... [2020-07-08 15:54:26,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b609736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:54:26, skipping insertion in model container [2020-07-08 15:54:26,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:25" (2/3) ... [2020-07-08 15:54:26,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b609736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:54:26, skipping insertion in model container [2020-07-08 15:54:26,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:54:26" (3/3) ... [2020-07-08 15:54:26,910 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-07-08 15:54:26,922 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 15:54:26,931 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 15:54:26,945 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 15:54:26,969 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 15:54:26,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 15:54:26,969 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 15:54:26,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 15:54:26,970 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 15:54:26,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 15:54:26,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 15:54:26,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 15:54:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-07-08 15:54:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-08 15:54:27,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:54:27,007 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] [2020-07-08 15:54:27,007 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:54:27,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:54:27,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1988505082, now seen corresponding path program 1 times [2020-07-08 15:54:27,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:54:27,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049102465] [2020-07-08 15:54:27,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:54:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:27,339 INFO L280 TraceCheckUtils]: 0: Hoare triple {199#(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; {169#true} is VALID [2020-07-08 15:54:27,340 INFO L280 TraceCheckUtils]: 1: Hoare triple {169#true} #valid := #valid[0 := 0]; {169#true} is VALID [2020-07-08 15:54:27,340 INFO L280 TraceCheckUtils]: 2: Hoare triple {169#true} assume 0 < #StackHeapBarrier; {169#true} is VALID [2020-07-08 15:54:27,341 INFO L280 TraceCheckUtils]: 3: Hoare triple {169#true} ~one_fmod~0 := 1.0; {169#true} is VALID [2020-07-08 15:54:27,342 INFO L280 TraceCheckUtils]: 4: Hoare triple {169#true} SUMMARY for call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8); srcloc: L12-1 {169#true} is VALID [2020-07-08 15:54:27,342 INFO L280 TraceCheckUtils]: 5: Hoare triple {169#true} SUMMARY for call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4); srcloc: L12-2 {169#true} is VALID [2020-07-08 15:54:27,343 INFO L280 TraceCheckUtils]: 6: Hoare triple {169#true} SUMMARY for call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); srcloc: L12-3 {169#true} is VALID [2020-07-08 15:54:27,343 INFO L280 TraceCheckUtils]: 7: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-08 15:54:27,343 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {169#true} {169#true} #322#return; {169#true} is VALID [2020-07-08 15:54:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:27,378 INFO L280 TraceCheckUtils]: 0: Hoare triple {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {169#true} is VALID [2020-07-08 15:54:27,379 INFO L280 TraceCheckUtils]: 1: Hoare triple {169#true} ~y := #in~y; {169#true} is VALID [2020-07-08 15:54:27,379 INFO L280 TraceCheckUtils]: 2: Hoare triple {169#true} havoc ~n~0; {169#true} is VALID [2020-07-08 15:54:27,379 INFO L280 TraceCheckUtils]: 3: Hoare triple {169#true} havoc ~hx~0; {169#true} is VALID [2020-07-08 15:54:27,380 INFO L280 TraceCheckUtils]: 4: Hoare triple {169#true} havoc ~hy~0; {169#true} is VALID [2020-07-08 15:54:27,381 INFO L280 TraceCheckUtils]: 5: Hoare triple {169#true} havoc ~hz~0; {169#true} is VALID [2020-07-08 15:54:27,381 INFO L280 TraceCheckUtils]: 6: Hoare triple {169#true} havoc ~ix~0; {169#true} is VALID [2020-07-08 15:54:27,381 INFO L280 TraceCheckUtils]: 7: Hoare triple {169#true} havoc ~iy~0; {169#true} is VALID [2020-07-08 15:54:27,382 INFO L280 TraceCheckUtils]: 8: Hoare triple {169#true} havoc ~sx~0; {169#true} is VALID [2020-07-08 15:54:27,382 INFO L280 TraceCheckUtils]: 9: Hoare triple {169#true} havoc ~i~0; {169#true} is VALID [2020-07-08 15:54:27,384 INFO L280 TraceCheckUtils]: 10: Hoare triple {169#true} assume !true; {170#false} is VALID [2020-07-08 15:54:27,384 INFO L280 TraceCheckUtils]: 11: Hoare triple {170#false} assume !true; {170#false} is VALID [2020-07-08 15:54:27,385 INFO L280 TraceCheckUtils]: 12: Hoare triple {170#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); {170#false} is VALID [2020-07-08 15:54:27,385 INFO L280 TraceCheckUtils]: 13: Hoare triple {170#false} ~hx~0 := ~bitwiseXor(~hx~0, ~sx~0); {170#false} is VALID [2020-07-08 15:54:27,385 INFO L280 TraceCheckUtils]: 14: Hoare triple {170#false} ~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {170#false} is VALID [2020-07-08 15:54:27,386 INFO L280 TraceCheckUtils]: 15: Hoare triple {170#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040; {170#false} is VALID [2020-07-08 15:54:27,386 INFO L280 TraceCheckUtils]: 16: Hoare triple {170#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {170#false} is VALID [2020-07-08 15:54:27,386 INFO L280 TraceCheckUtils]: 17: Hoare triple {170#false} assume true; {170#false} is VALID [2020-07-08 15:54:27,387 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {170#false} {169#true} #318#return; {170#false} is VALID [2020-07-08 15:54:27,390 INFO L263 TraceCheckUtils]: 0: Hoare triple {169#true} call ULTIMATE.init(); {199#(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 15:54:27,391 INFO L280 TraceCheckUtils]: 1: Hoare triple {199#(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; {169#true} is VALID [2020-07-08 15:54:27,391 INFO L280 TraceCheckUtils]: 2: Hoare triple {169#true} #valid := #valid[0 := 0]; {169#true} is VALID [2020-07-08 15:54:27,392 INFO L280 TraceCheckUtils]: 3: Hoare triple {169#true} assume 0 < #StackHeapBarrier; {169#true} is VALID [2020-07-08 15:54:27,392 INFO L280 TraceCheckUtils]: 4: Hoare triple {169#true} ~one_fmod~0 := 1.0; {169#true} is VALID [2020-07-08 15:54:27,392 INFO L280 TraceCheckUtils]: 5: Hoare triple {169#true} SUMMARY for call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8); srcloc: L12-1 {169#true} is VALID [2020-07-08 15:54:27,393 INFO L280 TraceCheckUtils]: 6: Hoare triple {169#true} SUMMARY for call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4); srcloc: L12-2 {169#true} is VALID [2020-07-08 15:54:27,393 INFO L280 TraceCheckUtils]: 7: Hoare triple {169#true} SUMMARY for call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); srcloc: L12-3 {169#true} is VALID [2020-07-08 15:54:27,393 INFO L280 TraceCheckUtils]: 8: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-08 15:54:27,394 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {169#true} {169#true} #322#return; {169#true} is VALID [2020-07-08 15:54:27,394 INFO L263 TraceCheckUtils]: 10: Hoare triple {169#true} call #t~ret18 := main(); {169#true} is VALID [2020-07-08 15:54:27,395 INFO L280 TraceCheckUtils]: 11: Hoare triple {169#true} ~x~0 := 0.0; {169#true} is VALID [2020-07-08 15:54:27,395 INFO L280 TraceCheckUtils]: 12: Hoare triple {169#true} ~y~0 := #t~nondet14; {169#true} is VALID [2020-07-08 15:54:27,396 INFO L280 TraceCheckUtils]: 13: Hoare triple {169#true} havoc #t~nondet14; {169#true} is VALID [2020-07-08 15:54:27,396 INFO L280 TraceCheckUtils]: 14: Hoare triple {169#true} assume ~someBinaryFLOATComparisonOperation(~y~0, 0.0) || ~someBinaryFLOATComparisonOperation(~y~0, 0.0); {169#true} is VALID [2020-07-08 15:54:27,399 INFO L263 TraceCheckUtils]: 15: Hoare triple {169#true} call #t~ret15 := fmod_float(~x~0, ~y~0); {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:54:27,399 INFO L280 TraceCheckUtils]: 16: Hoare triple {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {169#true} is VALID [2020-07-08 15:54:27,400 INFO L280 TraceCheckUtils]: 17: Hoare triple {169#true} ~y := #in~y; {169#true} is VALID [2020-07-08 15:54:27,400 INFO L280 TraceCheckUtils]: 18: Hoare triple {169#true} havoc ~n~0; {169#true} is VALID [2020-07-08 15:54:27,400 INFO L280 TraceCheckUtils]: 19: Hoare triple {169#true} havoc ~hx~0; {169#true} is VALID [2020-07-08 15:54:27,401 INFO L280 TraceCheckUtils]: 20: Hoare triple {169#true} havoc ~hy~0; {169#true} is VALID [2020-07-08 15:54:27,401 INFO L280 TraceCheckUtils]: 21: Hoare triple {169#true} havoc ~hz~0; {169#true} is VALID [2020-07-08 15:54:27,401 INFO L280 TraceCheckUtils]: 22: Hoare triple {169#true} havoc ~ix~0; {169#true} is VALID [2020-07-08 15:54:27,402 INFO L280 TraceCheckUtils]: 23: Hoare triple {169#true} havoc ~iy~0; {169#true} is VALID [2020-07-08 15:54:27,402 INFO L280 TraceCheckUtils]: 24: Hoare triple {169#true} havoc ~sx~0; {169#true} is VALID [2020-07-08 15:54:27,402 INFO L280 TraceCheckUtils]: 25: Hoare triple {169#true} havoc ~i~0; {169#true} is VALID [2020-07-08 15:54:27,403 INFO L280 TraceCheckUtils]: 26: Hoare triple {169#true} assume !true; {170#false} is VALID [2020-07-08 15:54:27,404 INFO L280 TraceCheckUtils]: 27: Hoare triple {170#false} assume !true; {170#false} is VALID [2020-07-08 15:54:27,404 INFO L280 TraceCheckUtils]: 28: Hoare triple {170#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); {170#false} is VALID [2020-07-08 15:54:27,404 INFO L280 TraceCheckUtils]: 29: Hoare triple {170#false} ~hx~0 := ~bitwiseXor(~hx~0, ~sx~0); {170#false} is VALID [2020-07-08 15:54:27,405 INFO L280 TraceCheckUtils]: 30: Hoare triple {170#false} ~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {170#false} is VALID [2020-07-08 15:54:27,405 INFO L280 TraceCheckUtils]: 31: Hoare triple {170#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040; {170#false} is VALID [2020-07-08 15:54:27,405 INFO L280 TraceCheckUtils]: 32: Hoare triple {170#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {170#false} is VALID [2020-07-08 15:54:27,406 INFO L280 TraceCheckUtils]: 33: Hoare triple {170#false} assume true; {170#false} is VALID [2020-07-08 15:54:27,406 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {170#false} {169#true} #318#return; {170#false} is VALID [2020-07-08 15:54:27,406 INFO L280 TraceCheckUtils]: 35: Hoare triple {170#false} ~res~0 := #t~ret15; {170#false} is VALID [2020-07-08 15:54:27,407 INFO L280 TraceCheckUtils]: 36: Hoare triple {170#false} havoc #t~ret15; {170#false} is VALID [2020-07-08 15:54:27,407 INFO L280 TraceCheckUtils]: 37: Hoare triple {170#false} #t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); {170#false} is VALID [2020-07-08 15:54:27,407 INFO L280 TraceCheckUtils]: 38: Hoare triple {170#false} assume !#t~short17; {170#false} is VALID [2020-07-08 15:54:27,408 INFO L280 TraceCheckUtils]: 39: Hoare triple {170#false} assume !#t~short17; {170#false} is VALID [2020-07-08 15:54:27,408 INFO L280 TraceCheckUtils]: 40: Hoare triple {170#false} havoc #t~ret16; {170#false} is VALID [2020-07-08 15:54:27,408 INFO L280 TraceCheckUtils]: 41: Hoare triple {170#false} havoc #t~short17; {170#false} is VALID [2020-07-08 15:54:27,409 INFO L280 TraceCheckUtils]: 42: Hoare triple {170#false} assume !false; {170#false} is VALID [2020-07-08 15:54:27,412 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 15:54:27,413 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:54:27,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049102465] [2020-07-08 15:54:27,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:54:27,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 15:54:27,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995950813] [2020-07-08 15:54:27,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-07-08 15:54:27,429 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:54:27,434 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 15:54:27,505 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:27,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 15:54:27,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:54:27,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 15:54:27,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 15:54:27,518 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 4 states. [2020-07-08 15:54:28,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:28,748 INFO L93 Difference]: Finished difference Result 308 states and 372 transitions. [2020-07-08 15:54:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 15:54:28,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-07-08 15:54:28,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:54:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 15:54:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 372 transitions. [2020-07-08 15:54:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 15:54:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 372 transitions. [2020-07-08 15:54:28,776 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 372 transitions. [2020-07-08 15:54:29,207 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 372 edges. 372 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:29,229 INFO L225 Difference]: With dead ends: 308 [2020-07-08 15:54:29,229 INFO L226 Difference]: Without dead ends: 158 [2020-07-08 15:54:29,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 15:54:29,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-08 15:54:29,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-07-08 15:54:29,396 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:54:29,396 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 158 states. [2020-07-08 15:54:29,397 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 158 states. [2020-07-08 15:54:29,397 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 158 states. [2020-07-08 15:54:29,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:29,409 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2020-07-08 15:54:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2020-07-08 15:54:29,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:54:29,411 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:54:29,411 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 158 states. [2020-07-08 15:54:29,412 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 158 states. [2020-07-08 15:54:29,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:29,423 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2020-07-08 15:54:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2020-07-08 15:54:29,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:54:29,425 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:54:29,425 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:54:29,425 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:54:29,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-08 15:54:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 174 transitions. [2020-07-08 15:54:29,436 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 174 transitions. Word has length 43 [2020-07-08 15:54:29,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:54:29,437 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 174 transitions. [2020-07-08 15:54:29,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 15:54:29,437 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 158 states and 174 transitions. [2020-07-08 15:54:29,631 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2020-07-08 15:54:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-08 15:54:29,637 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:54:29,637 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] [2020-07-08 15:54:29,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 15:54:29,638 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:54:29,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:54:29,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1298136515, now seen corresponding path program 1 times [2020-07-08 15:54:29,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:54:29,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554897370] [2020-07-08 15:54:29,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:54:29,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 15:54:29,718 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.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:146) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:102) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:266) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) 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 15:54:29,724 INFO L168 Benchmark]: Toolchain (without parser) took 4208.89 ms. Allocated memory was 141.6 MB in the beginning and 243.8 MB in the end (delta: 102.2 MB). Free memory was 105.3 MB in the beginning and 106.3 MB in the end (delta: -1.0 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:29,725 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 15:54:29,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.49 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 105.1 MB in the beginning and 180.5 MB in the end (delta: -75.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:29,727 INFO L168 Benchmark]: Boogie Preprocessor took 67.44 ms. Allocated memory is still 205.0 MB. Free memory was 180.5 MB in the beginning and 177.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:29,728 INFO L168 Benchmark]: RCFGBuilder took 879.23 ms. Allocated memory is still 205.0 MB. Free memory was 177.9 MB in the beginning and 115.1 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:29,729 INFO L168 Benchmark]: TraceAbstraction took 2819.16 ms. Allocated memory was 205.0 MB in the beginning and 243.8 MB in the end (delta: 38.8 MB). Free memory was 114.4 MB in the beginning and 106.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:29,734 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 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 437.49 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 105.1 MB in the beginning and 180.5 MB in the end (delta: -75.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.44 ms. Allocated memory is still 205.0 MB. Free memory was 180.5 MB in the beginning and 177.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 879.23 ms. Allocated memory is still 205.0 MB. Free memory was 177.9 MB in the beginning and 115.1 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2819.16 ms. Allocated memory was 205.0 MB in the beginning and 243.8 MB in the end (delta: 38.8 MB). Free memory was 114.4 MB in the beginning and 106.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 46.9 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...