/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_1131b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:35:40,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:35:40,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:35:40,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:35:40,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:35:40,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:35:40,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:35:40,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:35:40,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:35:40,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:35:40,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:35:40,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:35:40,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:35:40,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:35:40,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:35:40,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:35:40,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:35:40,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:35:40,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:35:40,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:35:40,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:35:40,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:35:40,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:35:40,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:35:40,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 18:35:40,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 18:35:40,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 18:35:40,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 18:35:40,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 18:35:40,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 18:35:40,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 18:35:40,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 18:35:40,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 18:35:40,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:35:40,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:35:40,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:35:40,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:35:40,304 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:35:40,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:35:40,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:35:40,306 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:35:40,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:35:40,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:35:40,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:35:40,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:35:40,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:35:40,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:35:40,307 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:35:40,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:35:40,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:35:40,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:35:40,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:35:40,308 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:35:40,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:35:40,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:35:40,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:35:40,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:35:40,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:35:40,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:35:40,309 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:35:40,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:35:40,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:35:40,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:35:40,634 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:35:40,634 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:35:40,635 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-07-10 18:35:40,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6849e85e3/c779103d5bdd4307a42f362b6f8b22a7/FLAGdbf0cc8ed [2020-07-10 18:35:41,136 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:35:41,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-07-10 18:35:41,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6849e85e3/c779103d5bdd4307a42f362b6f8b22a7/FLAGdbf0cc8ed [2020-07-10 18:35:41,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6849e85e3/c779103d5bdd4307a42f362b6f8b22a7 [2020-07-10 18:35:41,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:35:41,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:35:41,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:41,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:35:41,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:35:41,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:41" (1/1) ... [2020-07-10 18:35:41,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641ad830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41, skipping insertion in model container [2020-07-10 18:35:41,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:41" (1/1) ... [2020-07-10 18:35:41,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:35:41,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:35:41,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:41,817 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:35:41,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:41,974 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:35:41,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41 WrapperNode [2020-07-10 18:35:41,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:41,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:35:41,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:35:41,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:35:41,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41" (1/1) ... [2020-07-10 18:35:41,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41" (1/1) ... [2020-07-10 18:35:42,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41" (1/1) ... [2020-07-10 18:35:42,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41" (1/1) ... [2020-07-10 18:35:42,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41" (1/1) ... [2020-07-10 18:35:42,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41" (1/1) ... [2020-07-10 18:35:42,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41" (1/1) ... [2020-07-10 18:35:42,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:35:42,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:35:42,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:35:42,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:35:42,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:35:42,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:35:42,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:35:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-07-10 18:35:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2020-07-10 18:35:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:35:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:35:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-10 18:35:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-07-10 18:35:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 18:35:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 18:35:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 18:35:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 18:35:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 18:35:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 18:35:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2020-07-10 18:35:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:35:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:35:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-10 18:35:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:35:42,918 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:35:42,920 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-10 18:35:42,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:42 BoogieIcfgContainer [2020-07-10 18:35:42,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:35:42,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:35:42,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:35:42,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:35:42,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:35:41" (1/3) ... [2020-07-10 18:35:42,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1283d731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:42, skipping insertion in model container [2020-07-10 18:35:42,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:41" (2/3) ... [2020-07-10 18:35:42,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1283d731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:42, skipping insertion in model container [2020-07-10 18:35:42,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:42" (3/3) ... [2020-07-10 18:35:42,943 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2020-07-10 18:35:42,954 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:35:42,962 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:35:42,976 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:35:43,001 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:35:43,001 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:35:43,001 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:35:43,001 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:35:43,002 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:35:43,002 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:35:43,002 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:35:43,003 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:35:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-07-10 18:35:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-10 18:35:43,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:35:43,030 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] [2020-07-10 18:35:43,031 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:35:43,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:35:43,036 INFO L82 PathProgramCache]: Analyzing trace with hash -309473205, now seen corresponding path program 1 times [2020-07-10 18:35:43,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:35:43,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757297756] [2020-07-10 18:35:43,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:35:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:43,283 INFO L280 TraceCheckUtils]: 0: Hoare triple {202#(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; {165#true} is VALID [2020-07-10 18:35:43,284 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} #valid := #valid[0 := 0]; {165#true} is VALID [2020-07-10 18:35:43,285 INFO L280 TraceCheckUtils]: 2: Hoare triple {165#true} assume 0 < #StackHeapBarrier; {165#true} is VALID [2020-07-10 18:35:43,285 INFO L280 TraceCheckUtils]: 3: Hoare triple {165#true} ~one_fmod~0 := 1.0; {165#true} is VALID [2020-07-10 18:35:43,286 INFO L280 TraceCheckUtils]: 4: Hoare triple {165#true} SUMMARY for call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8); srcloc: L12-1 {165#true} is VALID [2020-07-10 18:35:43,287 INFO L280 TraceCheckUtils]: 5: Hoare triple {165#true} SUMMARY for call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4); srcloc: L12-2 {165#true} is VALID [2020-07-10 18:35:43,287 INFO L280 TraceCheckUtils]: 6: Hoare triple {165#true} SUMMARY for call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); srcloc: L12-3 {165#true} is VALID [2020-07-10 18:35:43,288 INFO L280 TraceCheckUtils]: 7: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-10 18:35:43,288 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {165#true} {165#true} #313#return; {165#true} is VALID [2020-07-10 18:35:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:43,324 INFO L280 TraceCheckUtils]: 0: Hoare triple {203#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {165#true} is VALID [2020-07-10 18:35:43,325 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} havoc ~ix~1; {165#true} is VALID [2020-07-10 18:35:43,326 INFO L280 TraceCheckUtils]: 2: Hoare triple {165#true} assume !true; {166#false} is VALID [2020-07-10 18:35:43,326 INFO L280 TraceCheckUtils]: 3: Hoare triple {166#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {166#false} is VALID [2020-07-10 18:35:43,327 INFO L280 TraceCheckUtils]: 4: Hoare triple {166#false} #res := (if ~ix~1 < 2139095040 then 1 else 0); {166#false} is VALID [2020-07-10 18:35:43,327 INFO L280 TraceCheckUtils]: 5: Hoare triple {166#false} assume true; {166#false} is VALID [2020-07-10 18:35:43,328 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {166#false} {165#true} #309#return; {166#false} is VALID [2020-07-10 18:35:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:43,360 INFO L280 TraceCheckUtils]: 0: Hoare triple {203#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {165#true} is VALID [2020-07-10 18:35:43,361 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} ~y := #in~y; {165#true} is VALID [2020-07-10 18:35:43,361 INFO L280 TraceCheckUtils]: 2: Hoare triple {165#true} havoc ~n~0; {165#true} is VALID [2020-07-10 18:35:43,362 INFO L280 TraceCheckUtils]: 3: Hoare triple {165#true} havoc ~hx~0; {165#true} is VALID [2020-07-10 18:35:43,362 INFO L280 TraceCheckUtils]: 4: Hoare triple {165#true} havoc ~hy~0; {165#true} is VALID [2020-07-10 18:35:43,362 INFO L280 TraceCheckUtils]: 5: Hoare triple {165#true} havoc ~hz~0; {165#true} is VALID [2020-07-10 18:35:43,363 INFO L280 TraceCheckUtils]: 6: Hoare triple {165#true} havoc ~ix~0; {165#true} is VALID [2020-07-10 18:35:43,363 INFO L280 TraceCheckUtils]: 7: Hoare triple {165#true} havoc ~iy~0; {165#true} is VALID [2020-07-10 18:35:43,363 INFO L280 TraceCheckUtils]: 8: Hoare triple {165#true} havoc ~sx~0; {165#true} is VALID [2020-07-10 18:35:43,364 INFO L280 TraceCheckUtils]: 9: Hoare triple {165#true} havoc ~i~0; {165#true} is VALID [2020-07-10 18:35:43,365 INFO L280 TraceCheckUtils]: 10: Hoare triple {165#true} assume !true; {166#false} is VALID [2020-07-10 18:35:43,366 INFO L280 TraceCheckUtils]: 11: Hoare triple {166#false} assume !true; {166#false} is VALID [2020-07-10 18:35:43,366 INFO L280 TraceCheckUtils]: 12: Hoare triple {166#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); {166#false} is VALID [2020-07-10 18:35:43,367 INFO L280 TraceCheckUtils]: 13: Hoare triple {166#false} ~hx~0 := ~bitwiseXor(~hx~0, ~sx~0); {166#false} is VALID [2020-07-10 18:35:43,367 INFO L280 TraceCheckUtils]: 14: Hoare triple {166#false} ~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {166#false} is VALID [2020-07-10 18:35:43,367 INFO L280 TraceCheckUtils]: 15: Hoare triple {166#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040; {166#false} is VALID [2020-07-10 18:35:43,368 INFO L280 TraceCheckUtils]: 16: Hoare triple {166#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {166#false} is VALID [2020-07-10 18:35:43,368 INFO L280 TraceCheckUtils]: 17: Hoare triple {166#false} assume true; {166#false} is VALID [2020-07-10 18:35:43,368 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {166#false} {166#false} #311#return; {166#false} is VALID [2020-07-10 18:35:43,372 INFO L263 TraceCheckUtils]: 0: Hoare triple {165#true} call ULTIMATE.init(); {202#(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 [2020-07-10 18:35:43,372 INFO L280 TraceCheckUtils]: 1: Hoare triple {202#(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; {165#true} is VALID [2020-07-10 18:35:43,373 INFO L280 TraceCheckUtils]: 2: Hoare triple {165#true} #valid := #valid[0 := 0]; {165#true} is VALID [2020-07-10 18:35:43,373 INFO L280 TraceCheckUtils]: 3: Hoare triple {165#true} assume 0 < #StackHeapBarrier; {165#true} is VALID [2020-07-10 18:35:43,373 INFO L280 TraceCheckUtils]: 4: Hoare triple {165#true} ~one_fmod~0 := 1.0; {165#true} is VALID [2020-07-10 18:35:43,374 INFO L280 TraceCheckUtils]: 5: Hoare triple {165#true} SUMMARY for call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8); srcloc: L12-1 {165#true} is VALID [2020-07-10 18:35:43,374 INFO L280 TraceCheckUtils]: 6: Hoare triple {165#true} SUMMARY for call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4); srcloc: L12-2 {165#true} is VALID [2020-07-10 18:35:43,374 INFO L280 TraceCheckUtils]: 7: Hoare triple {165#true} SUMMARY for call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); srcloc: L12-3 {165#true} is VALID [2020-07-10 18:35:43,375 INFO L280 TraceCheckUtils]: 8: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-10 18:35:43,375 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {165#true} {165#true} #313#return; {165#true} is VALID [2020-07-10 18:35:43,375 INFO L263 TraceCheckUtils]: 10: Hoare triple {165#true} call #t~ret17 := main(); {165#true} is VALID [2020-07-10 18:35:43,376 INFO L280 TraceCheckUtils]: 11: Hoare triple {165#true} ~x~0 := #t~nondet14; {165#true} is VALID [2020-07-10 18:35:43,376 INFO L280 TraceCheckUtils]: 12: Hoare triple {165#true} havoc #t~nondet14; {165#true} is VALID [2020-07-10 18:35:43,376 INFO L280 TraceCheckUtils]: 13: Hoare triple {165#true} ~y~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); {165#true} is VALID [2020-07-10 18:35:43,379 INFO L263 TraceCheckUtils]: 14: Hoare triple {165#true} call #t~ret15 := isfinite_float(~x~0); {203#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:35:43,380 INFO L280 TraceCheckUtils]: 15: Hoare triple {203#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {165#true} is VALID [2020-07-10 18:35:43,380 INFO L280 TraceCheckUtils]: 16: Hoare triple {165#true} havoc ~ix~1; {165#true} is VALID [2020-07-10 18:35:43,381 INFO L280 TraceCheckUtils]: 17: Hoare triple {165#true} assume !true; {166#false} is VALID [2020-07-10 18:35:43,382 INFO L280 TraceCheckUtils]: 18: Hoare triple {166#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {166#false} is VALID [2020-07-10 18:35:43,382 INFO L280 TraceCheckUtils]: 19: Hoare triple {166#false} #res := (if ~ix~1 < 2139095040 then 1 else 0); {166#false} is VALID [2020-07-10 18:35:43,382 INFO L280 TraceCheckUtils]: 20: Hoare triple {166#false} assume true; {166#false} is VALID [2020-07-10 18:35:43,383 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {166#false} {165#true} #309#return; {166#false} is VALID [2020-07-10 18:35:43,383 INFO L280 TraceCheckUtils]: 22: Hoare triple {166#false} assume -2147483648 <= #t~ret15 && #t~ret15 <= 2147483647; {166#false} is VALID [2020-07-10 18:35:43,383 INFO L280 TraceCheckUtils]: 23: Hoare triple {166#false} assume 0 != #t~ret15; {166#false} is VALID [2020-07-10 18:35:43,384 INFO L280 TraceCheckUtils]: 24: Hoare triple {166#false} havoc #t~ret15; {166#false} is VALID [2020-07-10 18:35:43,384 INFO L263 TraceCheckUtils]: 25: Hoare triple {166#false} call #t~ret16 := fmod_float(~x~0, ~y~0); {203#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:35:43,384 INFO L280 TraceCheckUtils]: 26: Hoare triple {203#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {165#true} is VALID [2020-07-10 18:35:43,385 INFO L280 TraceCheckUtils]: 27: Hoare triple {165#true} ~y := #in~y; {165#true} is VALID [2020-07-10 18:35:43,385 INFO L280 TraceCheckUtils]: 28: Hoare triple {165#true} havoc ~n~0; {165#true} is VALID [2020-07-10 18:35:43,385 INFO L280 TraceCheckUtils]: 29: Hoare triple {165#true} havoc ~hx~0; {165#true} is VALID [2020-07-10 18:35:43,386 INFO L280 TraceCheckUtils]: 30: Hoare triple {165#true} havoc ~hy~0; {165#true} is VALID [2020-07-10 18:35:43,386 INFO L280 TraceCheckUtils]: 31: Hoare triple {165#true} havoc ~hz~0; {165#true} is VALID [2020-07-10 18:35:43,386 INFO L280 TraceCheckUtils]: 32: Hoare triple {165#true} havoc ~ix~0; {165#true} is VALID [2020-07-10 18:35:43,387 INFO L280 TraceCheckUtils]: 33: Hoare triple {165#true} havoc ~iy~0; {165#true} is VALID [2020-07-10 18:35:43,387 INFO L280 TraceCheckUtils]: 34: Hoare triple {165#true} havoc ~sx~0; {165#true} is VALID [2020-07-10 18:35:43,387 INFO L280 TraceCheckUtils]: 35: Hoare triple {165#true} havoc ~i~0; {165#true} is VALID [2020-07-10 18:35:43,388 INFO L280 TraceCheckUtils]: 36: Hoare triple {165#true} assume !true; {166#false} is VALID [2020-07-10 18:35:43,389 INFO L280 TraceCheckUtils]: 37: Hoare triple {166#false} assume !true; {166#false} is VALID [2020-07-10 18:35:43,389 INFO L280 TraceCheckUtils]: 38: Hoare triple {166#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); {166#false} is VALID [2020-07-10 18:35:43,389 INFO L280 TraceCheckUtils]: 39: Hoare triple {166#false} ~hx~0 := ~bitwiseXor(~hx~0, ~sx~0); {166#false} is VALID [2020-07-10 18:35:43,390 INFO L280 TraceCheckUtils]: 40: Hoare triple {166#false} ~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {166#false} is VALID [2020-07-10 18:35:43,390 INFO L280 TraceCheckUtils]: 41: Hoare triple {166#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040; {166#false} is VALID [2020-07-10 18:35:43,390 INFO L280 TraceCheckUtils]: 42: Hoare triple {166#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {166#false} is VALID [2020-07-10 18:35:43,391 INFO L280 TraceCheckUtils]: 43: Hoare triple {166#false} assume true; {166#false} is VALID [2020-07-10 18:35:43,391 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {166#false} {166#false} #311#return; {166#false} is VALID [2020-07-10 18:35:43,391 INFO L280 TraceCheckUtils]: 45: Hoare triple {166#false} ~res~0 := #t~ret16; {166#false} is VALID [2020-07-10 18:35:43,392 INFO L280 TraceCheckUtils]: 46: Hoare triple {166#false} havoc #t~ret16; {166#false} is VALID [2020-07-10 18:35:43,392 INFO L280 TraceCheckUtils]: 47: Hoare triple {166#false} assume ~someBinaryFLOATComparisonOperation(~res~0, ~x~0); {166#false} is VALID [2020-07-10 18:35:43,392 INFO L280 TraceCheckUtils]: 48: Hoare triple {166#false} assume !false; {166#false} is VALID [2020-07-10 18:35:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 18:35:43,398 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:35:43,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757297756] [2020-07-10 18:35:43,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:35:43,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 18:35:43,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900753668] [2020-07-10 18:35:43,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-07-10 18:35:43,413 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:35:43,416 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 18:35:43,494 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:43,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 18:35:43,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:35:43,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 18:35:43,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 18:35:43,507 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2020-07-10 18:35:44,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:44,732 INFO L93 Difference]: Finished difference Result 306 states and 369 transitions. [2020-07-10 18:35:44,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 18:35:44,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-07-10 18:35:44,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:35:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:35:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 369 transitions. [2020-07-10 18:35:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:35:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 369 transitions. [2020-07-10 18:35:44,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 369 transitions. [2020-07-10 18:35:45,222 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 369 edges. 369 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:45,244 INFO L225 Difference]: With dead ends: 306 [2020-07-10 18:35:45,244 INFO L226 Difference]: Without dead ends: 155 [2020-07-10 18:35:45,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 18:35:45,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-10 18:35:45,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-07-10 18:35:45,458 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:35:45,459 INFO L82 GeneralOperation]: Start isEquivalent. First operand 155 states. Second operand 155 states. [2020-07-10 18:35:45,460 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand 155 states. [2020-07-10 18:35:45,460 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 155 states. [2020-07-10 18:35:45,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:45,471 INFO L93 Difference]: Finished difference Result 155 states and 170 transitions. [2020-07-10 18:35:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 170 transitions. [2020-07-10 18:35:45,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:35:45,474 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:35:45,474 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand 155 states. [2020-07-10 18:35:45,474 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 155 states. [2020-07-10 18:35:45,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:45,483 INFO L93 Difference]: Finished difference Result 155 states and 170 transitions. [2020-07-10 18:35:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 170 transitions. [2020-07-10 18:35:45,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:35:45,485 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:35:45,485 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:35:45,485 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:35:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-07-10 18:35:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 170 transitions. [2020-07-10 18:35:45,495 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 170 transitions. Word has length 49 [2020-07-10 18:35:45,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:35:45,495 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 170 transitions. [2020-07-10 18:35:45,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 18:35:45,496 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 155 states and 170 transitions. [2020-07-10 18:35:45,683 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 170 edges. 170 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 170 transitions. [2020-07-10 18:35:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-10 18:35:45,687 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:35:45,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:35:45,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:35:45,688 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:35:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:35:45,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1032631156, now seen corresponding path program 1 times [2020-07-10 18:35:45,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:35:45,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409997125] [2020-07-10 18:35:45,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:35:45,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 18:35:45,798 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) [2020-07-10 18:35:45,804 INFO L168 Benchmark]: Toolchain (without parser) took 4239.36 ms. Allocated memory was 143.1 MB in the beginning and 252.7 MB in the end (delta: 109.6 MB). Free memory was 100.7 MB in the beginning and 165.7 MB in the end (delta: -65.0 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:45,805 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 18:35:45,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.83 ms. Allocated memory was 143.1 MB in the beginning and 198.2 MB in the end (delta: 55.1 MB). Free memory was 100.5 MB in the beginning and 173.9 MB in the end (delta: -73.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:45,807 INFO L168 Benchmark]: Boogie Preprocessor took 67.70 ms. Allocated memory is still 198.2 MB. Free memory was 173.9 MB in the beginning and 171.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:45,808 INFO L168 Benchmark]: RCFGBuilder took 886.02 ms. Allocated memory is still 198.2 MB. Free memory was 171.2 MB in the beginning and 108.7 MB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:45,809 INFO L168 Benchmark]: TraceAbstraction took 2866.75 ms. Allocated memory was 198.2 MB in the beginning and 252.7 MB in the end (delta: 54.5 MB). Free memory was 108.0 MB in the beginning and 165.7 MB in the end (delta: -57.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 18:35:45,813 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 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 411.83 ms. Allocated memory was 143.1 MB in the beginning and 198.2 MB in the end (delta: 55.1 MB). Free memory was 100.5 MB in the beginning and 173.9 MB in the end (delta: -73.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.70 ms. Allocated memory is still 198.2 MB. Free memory was 173.9 MB in the beginning and 171.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 886.02 ms. Allocated memory is still 198.2 MB. Free memory was 171.2 MB in the beginning and 108.7 MB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2866.75 ms. Allocated memory was 198.2 MB in the beginning and 252.7 MB in the end (delta: 54.5 MB). Free memory was 108.0 MB in the beginning and 165.7 MB in the end (delta: -57.7 MB). There was no memory consumed. 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...