/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:38:24,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:38:24,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:38:24,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:38:24,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:38:24,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:38:24,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:38:24,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:38:24,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:38:24,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:38:24,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:38:24,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:38:24,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:38:24,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:38:24,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:38:24,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:38:24,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:38:24,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:38:24,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:38:24,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:38:24,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:38:24,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:38:24,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:38:24,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:38:24,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:38:24,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:38:24,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:38:24,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:38:24,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:38:24,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:38:24,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:38:24,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:38:24,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:38:24,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:38:24,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:38:24,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:38:24,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:38:24,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:38:24,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:38:24,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:38:24,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:38:24,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:38:24,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:38:24,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:38:24,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:38:24,960 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:38:24,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:38:24,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:38:24,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:38:24,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:38:24,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:38:24,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:38:24,961 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:38:24,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:38:24,962 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:38:24,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:38:24,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:38:24,962 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:38:24,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:38:24,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:38:24,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:38:24,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:38:24,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:38:24,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:38:24,964 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 04:38:25,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:38:25,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:38:25,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:38:25,251 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:38:25,252 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:38:25,252 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c [2020-07-18 04:38:25,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96698a616/acbcde031ff7467cb16caff6a32ed800/FLAGca1e35824 [2020-07-18 04:38:25,807 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:38:25,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c [2020-07-18 04:38:25,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96698a616/acbcde031ff7467cb16caff6a32ed800/FLAGca1e35824 [2020-07-18 04:38:26,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96698a616/acbcde031ff7467cb16caff6a32ed800 [2020-07-18 04:38:26,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:38:26,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:38:26,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:26,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:38:26,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:38:26,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:26" (1/1) ... [2020-07-18 04:38:26,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f8393f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26, skipping insertion in model container [2020-07-18 04:38:26,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:26" (1/1) ... [2020-07-18 04:38:26,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:38:26,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:38:26,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:26,450 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:38:26,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:26,650 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:38:26,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26 WrapperNode [2020-07-18 04:38:26,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:26,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:38:26,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:38:26,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:38:26,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26" (1/1) ... [2020-07-18 04:38:26,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26" (1/1) ... [2020-07-18 04:38:26,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26" (1/1) ... [2020-07-18 04:38:26,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26" (1/1) ... [2020-07-18 04:38:26,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26" (1/1) ... [2020-07-18 04:38:26,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26" (1/1) ... [2020-07-18 04:38:26,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26" (1/1) ... [2020-07-18 04:38:26,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:38:26,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:38:26,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:38:26,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:38:26,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26" (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 [2020-07-18 04:38:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:38:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:38:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-18 04:38:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-07-18 04:38:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-07-18 04:38:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:38:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:38:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-18 04:38:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-18 04:38:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-07-18 04:38:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 04:38:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 04:38:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 04:38:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 04:38:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 04:38:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 04:38:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-07-18 04:38:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:38:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:38:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:38:27,604 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:38:27,604 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-18 04:38:27,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:27 BoogieIcfgContainer [2020-07-18 04:38:27,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:38:27,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:38:27,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:38:27,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:38:27,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:38:26" (1/3) ... [2020-07-18 04:38:27,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc14f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:27, skipping insertion in model container [2020-07-18 04:38:27,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:26" (2/3) ... [2020-07-18 04:38:27,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc14f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:27, skipping insertion in model container [2020-07-18 04:38:27,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:27" (3/3) ... [2020-07-18 04:38:27,620 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2020-07-18 04:38:27,632 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:38:27,640 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:38:27,656 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:38:27,679 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:38:27,680 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:38:27,680 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:38:27,680 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:38:27,681 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:38:27,681 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:38:27,681 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:38:27,681 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:38:27,703 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-18 04:38:27,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-18 04:38:27,718 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:27,719 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] [2020-07-18 04:38:27,720 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:27,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:27,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1113856544, now seen corresponding path program 1 times [2020-07-18 04:38:27,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:27,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895259846] [2020-07-18 04:38:27,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:27,960 INFO L280 TraceCheckUtils]: 0: Hoare triple {212#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {174#true} is VALID [2020-07-18 04:38:27,961 INFO L280 TraceCheckUtils]: 1: Hoare triple {174#true} #valid := #valid[0 := 0]; {174#true} is VALID [2020-07-18 04:38:27,961 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} assume 0 < #StackHeapBarrier; {174#true} is VALID [2020-07-18 04:38:27,962 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} ~one_sqrt~0 := 1.0; {174#true} is VALID [2020-07-18 04:38:27,963 INFO L280 TraceCheckUtils]: 4: Hoare triple {174#true} ~tiny_sqrt~0 := 1.0E-300; {174#true} is VALID [2020-07-18 04:38:27,963 INFO L280 TraceCheckUtils]: 5: Hoare triple {174#true} assume true; {174#true} is VALID [2020-07-18 04:38:27,963 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {174#true} {174#true} #324#return; {174#true} is VALID [2020-07-18 04:38:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:27,999 INFO L280 TraceCheckUtils]: 0: Hoare triple {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {174#true} is VALID [2020-07-18 04:38:28,000 INFO L280 TraceCheckUtils]: 1: Hoare triple {174#true} havoc ~z~0; {174#true} is VALID [2020-07-18 04:38:28,000 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} ~sign~0 := -2147483648; {174#true} is VALID [2020-07-18 04:38:28,001 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} havoc ~r~0; {174#true} is VALID [2020-07-18 04:38:28,001 INFO L280 TraceCheckUtils]: 4: Hoare triple {174#true} havoc ~t1~0; {174#true} is VALID [2020-07-18 04:38:28,001 INFO L280 TraceCheckUtils]: 5: Hoare triple {174#true} havoc ~s1~0; {174#true} is VALID [2020-07-18 04:38:28,002 INFO L280 TraceCheckUtils]: 6: Hoare triple {174#true} havoc ~ix1~0; {174#true} is VALID [2020-07-18 04:38:28,002 INFO L280 TraceCheckUtils]: 7: Hoare triple {174#true} havoc ~q1~0; {174#true} is VALID [2020-07-18 04:38:28,002 INFO L280 TraceCheckUtils]: 8: Hoare triple {174#true} havoc ~ix0~0; {174#true} is VALID [2020-07-18 04:38:28,003 INFO L280 TraceCheckUtils]: 9: Hoare triple {174#true} havoc ~s0~0; {174#true} is VALID [2020-07-18 04:38:28,003 INFO L280 TraceCheckUtils]: 10: Hoare triple {174#true} havoc ~q~0; {174#true} is VALID [2020-07-18 04:38:28,003 INFO L280 TraceCheckUtils]: 11: Hoare triple {174#true} havoc ~m~0; {174#true} is VALID [2020-07-18 04:38:28,004 INFO L280 TraceCheckUtils]: 12: Hoare triple {174#true} havoc ~t~0; {174#true} is VALID [2020-07-18 04:38:28,004 INFO L280 TraceCheckUtils]: 13: Hoare triple {174#true} havoc ~i~0; {174#true} is VALID [2020-07-18 04:38:28,005 INFO L280 TraceCheckUtils]: 14: Hoare triple {174#true} assume !true; {175#false} is VALID [2020-07-18 04:38:28,006 INFO L280 TraceCheckUtils]: 15: Hoare triple {175#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072); {175#false} is VALID [2020-07-18 04:38:28,006 INFO L280 TraceCheckUtils]: 16: Hoare triple {175#false} #res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {175#false} is VALID [2020-07-18 04:38:28,006 INFO L280 TraceCheckUtils]: 17: Hoare triple {175#false} assume true; {175#false} is VALID [2020-07-18 04:38:28,007 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {175#false} {174#true} #320#return; {175#false} is VALID [2020-07-18 04:38:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:28,020 INFO L280 TraceCheckUtils]: 0: Hoare triple {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {174#true} is VALID [2020-07-18 04:38:28,021 INFO L280 TraceCheckUtils]: 1: Hoare triple {174#true} havoc ~hx~0; {174#true} is VALID [2020-07-18 04:38:28,021 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} havoc ~lx~0; {174#true} is VALID [2020-07-18 04:38:28,022 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} assume !true; {175#false} is VALID [2020-07-18 04:38:28,023 INFO L280 TraceCheckUtils]: 4: Hoare triple {175#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {175#false} is VALID [2020-07-18 04:38:28,023 INFO L280 TraceCheckUtils]: 5: Hoare triple {175#false} ~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296); {175#false} is VALID [2020-07-18 04:38:28,024 INFO L280 TraceCheckUtils]: 6: Hoare triple {175#false} ~hx~0 := 2146435072 - ~hx~0; {175#false} is VALID [2020-07-18 04:38:28,024 INFO L280 TraceCheckUtils]: 7: Hoare triple {175#false} #res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {175#false} is VALID [2020-07-18 04:38:28,024 INFO L280 TraceCheckUtils]: 8: Hoare triple {175#false} assume true; {175#false} is VALID [2020-07-18 04:38:28,025 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {175#false} {175#false} #322#return; {175#false} is VALID [2020-07-18 04:38:28,027 INFO L263 TraceCheckUtils]: 0: Hoare triple {174#true} call ULTIMATE.init(); {212#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} is VALID [2020-07-18 04:38:28,027 INFO L280 TraceCheckUtils]: 1: Hoare triple {212#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {174#true} is VALID [2020-07-18 04:38:28,028 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} #valid := #valid[0 := 0]; {174#true} is VALID [2020-07-18 04:38:28,028 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} assume 0 < #StackHeapBarrier; {174#true} is VALID [2020-07-18 04:38:28,028 INFO L280 TraceCheckUtils]: 4: Hoare triple {174#true} ~one_sqrt~0 := 1.0; {174#true} is VALID [2020-07-18 04:38:28,029 INFO L280 TraceCheckUtils]: 5: Hoare triple {174#true} ~tiny_sqrt~0 := 1.0E-300; {174#true} is VALID [2020-07-18 04:38:28,029 INFO L280 TraceCheckUtils]: 6: Hoare triple {174#true} assume true; {174#true} is VALID [2020-07-18 04:38:28,029 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {174#true} {174#true} #324#return; {174#true} is VALID [2020-07-18 04:38:28,030 INFO L263 TraceCheckUtils]: 8: Hoare triple {174#true} call #t~ret13 := main(); {174#true} is VALID [2020-07-18 04:38:28,030 INFO L280 TraceCheckUtils]: 9: Hoare triple {174#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 0.0); {174#true} is VALID [2020-07-18 04:38:28,033 INFO L263 TraceCheckUtils]: 10: Hoare triple {174#true} call #t~ret11 := __ieee754_sqrt(~x~0); {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:38:28,033 INFO L280 TraceCheckUtils]: 11: Hoare triple {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {174#true} is VALID [2020-07-18 04:38:28,033 INFO L280 TraceCheckUtils]: 12: Hoare triple {174#true} havoc ~z~0; {174#true} is VALID [2020-07-18 04:38:28,034 INFO L280 TraceCheckUtils]: 13: Hoare triple {174#true} ~sign~0 := -2147483648; {174#true} is VALID [2020-07-18 04:38:28,034 INFO L280 TraceCheckUtils]: 14: Hoare triple {174#true} havoc ~r~0; {174#true} is VALID [2020-07-18 04:38:28,034 INFO L280 TraceCheckUtils]: 15: Hoare triple {174#true} havoc ~t1~0; {174#true} is VALID [2020-07-18 04:38:28,035 INFO L280 TraceCheckUtils]: 16: Hoare triple {174#true} havoc ~s1~0; {174#true} is VALID [2020-07-18 04:38:28,035 INFO L280 TraceCheckUtils]: 17: Hoare triple {174#true} havoc ~ix1~0; {174#true} is VALID [2020-07-18 04:38:28,035 INFO L280 TraceCheckUtils]: 18: Hoare triple {174#true} havoc ~q1~0; {174#true} is VALID [2020-07-18 04:38:28,036 INFO L280 TraceCheckUtils]: 19: Hoare triple {174#true} havoc ~ix0~0; {174#true} is VALID [2020-07-18 04:38:28,036 INFO L280 TraceCheckUtils]: 20: Hoare triple {174#true} havoc ~s0~0; {174#true} is VALID [2020-07-18 04:38:28,036 INFO L280 TraceCheckUtils]: 21: Hoare triple {174#true} havoc ~q~0; {174#true} is VALID [2020-07-18 04:38:28,036 INFO L280 TraceCheckUtils]: 22: Hoare triple {174#true} havoc ~m~0; {174#true} is VALID [2020-07-18 04:38:28,037 INFO L280 TraceCheckUtils]: 23: Hoare triple {174#true} havoc ~t~0; {174#true} is VALID [2020-07-18 04:38:28,037 INFO L280 TraceCheckUtils]: 24: Hoare triple {174#true} havoc ~i~0; {174#true} is VALID [2020-07-18 04:38:28,039 INFO L280 TraceCheckUtils]: 25: Hoare triple {174#true} assume !true; {175#false} is VALID [2020-07-18 04:38:28,039 INFO L280 TraceCheckUtils]: 26: Hoare triple {175#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072); {175#false} is VALID [2020-07-18 04:38:28,039 INFO L280 TraceCheckUtils]: 27: Hoare triple {175#false} #res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {175#false} is VALID [2020-07-18 04:38:28,040 INFO L280 TraceCheckUtils]: 28: Hoare triple {175#false} assume true; {175#false} is VALID [2020-07-18 04:38:28,040 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {175#false} {174#true} #320#return; {175#false} is VALID [2020-07-18 04:38:28,040 INFO L280 TraceCheckUtils]: 30: Hoare triple {175#false} ~res~0 := #t~ret11; {175#false} is VALID [2020-07-18 04:38:28,041 INFO L280 TraceCheckUtils]: 31: Hoare triple {175#false} havoc #t~ret11; {175#false} is VALID [2020-07-18 04:38:28,041 INFO L263 TraceCheckUtils]: 32: Hoare triple {175#false} call #t~ret12 := isinf_double(~res~0); {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:38:28,041 INFO L280 TraceCheckUtils]: 33: Hoare triple {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {174#true} is VALID [2020-07-18 04:38:28,042 INFO L280 TraceCheckUtils]: 34: Hoare triple {174#true} havoc ~hx~0; {174#true} is VALID [2020-07-18 04:38:28,042 INFO L280 TraceCheckUtils]: 35: Hoare triple {174#true} havoc ~lx~0; {174#true} is VALID [2020-07-18 04:38:28,043 INFO L280 TraceCheckUtils]: 36: Hoare triple {174#true} assume !true; {175#false} is VALID [2020-07-18 04:38:28,044 INFO L280 TraceCheckUtils]: 37: Hoare triple {175#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {175#false} is VALID [2020-07-18 04:38:28,044 INFO L280 TraceCheckUtils]: 38: Hoare triple {175#false} ~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296); {175#false} is VALID [2020-07-18 04:38:28,044 INFO L280 TraceCheckUtils]: 39: Hoare triple {175#false} ~hx~0 := 2146435072 - ~hx~0; {175#false} is VALID [2020-07-18 04:38:28,045 INFO L280 TraceCheckUtils]: 40: Hoare triple {175#false} #res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {175#false} is VALID [2020-07-18 04:38:28,045 INFO L280 TraceCheckUtils]: 41: Hoare triple {175#false} assume true; {175#false} is VALID [2020-07-18 04:38:28,045 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {175#false} {175#false} #322#return; {175#false} is VALID [2020-07-18 04:38:28,046 INFO L280 TraceCheckUtils]: 43: Hoare triple {175#false} assume -2147483648 <= #t~ret12 && #t~ret12 <= 2147483647; {175#false} is VALID [2020-07-18 04:38:28,046 INFO L280 TraceCheckUtils]: 44: Hoare triple {175#false} assume 0 == #t~ret12; {175#false} is VALID [2020-07-18 04:38:28,046 INFO L280 TraceCheckUtils]: 45: Hoare triple {175#false} havoc #t~ret12; {175#false} is VALID [2020-07-18 04:38:28,047 INFO L280 TraceCheckUtils]: 46: Hoare triple {175#false} assume !false; {175#false} is VALID [2020-07-18 04:38:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:38:28,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895259846] [2020-07-18 04:38:28,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:38:28,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 04:38:28,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152391941] [2020-07-18 04:38:28,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-18 04:38:28,067 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:38:28,071 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 04:38:28,141 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:28,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 04:38:28,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:38:28,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 04:38:28,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 04:38:28,154 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-07-18 04:38:29,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:29,296 INFO L93 Difference]: Finished difference Result 316 states and 377 transitions. [2020-07-18 04:38:29,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 04:38:29,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-18 04:38:29,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:38:29,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 377 transitions. [2020-07-18 04:38:29,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:29,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 377 transitions. [2020-07-18 04:38:29,340 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 377 transitions. [2020-07-18 04:38:29,808 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 377 edges. 377 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:29,839 INFO L225 Difference]: With dead ends: 316 [2020-07-18 04:38:29,839 INFO L226 Difference]: Without dead ends: 164 [2020-07-18 04:38:29,847 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 [2020-07-18 04:38:29,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-18 04:38:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-07-18 04:38:30,040 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:38:30,041 INFO L82 GeneralOperation]: Start isEquivalent. First operand 164 states. Second operand 164 states. [2020-07-18 04:38:30,041 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand 164 states. [2020-07-18 04:38:30,041 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 164 states. [2020-07-18 04:38:30,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:30,052 INFO L93 Difference]: Finished difference Result 164 states and 183 transitions. [2020-07-18 04:38:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 183 transitions. [2020-07-18 04:38:30,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:30,055 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:30,055 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand 164 states. [2020-07-18 04:38:30,055 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 164 states. [2020-07-18 04:38:30,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:30,065 INFO L93 Difference]: Finished difference Result 164 states and 183 transitions. [2020-07-18 04:38:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 183 transitions. [2020-07-18 04:38:30,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:30,067 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:30,067 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:38:30,068 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:38:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-18 04:38:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 183 transitions. [2020-07-18 04:38:30,078 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 183 transitions. Word has length 47 [2020-07-18 04:38:30,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:38:30,079 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 183 transitions. [2020-07-18 04:38:30,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 04:38:30,079 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 164 states and 183 transitions. [2020-07-18 04:38:30,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 183 transitions. [2020-07-18 04:38:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-18 04:38:30,277 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:30,277 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] [2020-07-18 04:38:30,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:38:30,278 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:30,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:30,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1544976000, now seen corresponding path program 1 times [2020-07-18 04:38:30,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:30,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911459258] [2020-07-18 04:38:30,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:30,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:38:30,431 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:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 04:38:30,444 INFO L168 Benchmark]: Toolchain (without parser) took 4286.83 ms. Allocated memory was 138.9 MB in the beginning and 246.4 MB in the end (delta: 107.5 MB). Free memory was 103.9 MB in the beginning and 130.3 MB in the end (delta: -26.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:30,446 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:38:30,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.02 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.5 MB in the beginning and 179.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:30,448 INFO L168 Benchmark]: Boogie Preprocessor took 68.10 ms. Allocated memory is still 202.9 MB. Free memory was 179.0 MB in the beginning and 175.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:30,451 INFO L168 Benchmark]: RCFGBuilder took 891.17 ms. Allocated memory is still 202.9 MB. Free memory was 175.6 MB in the beginning and 109.3 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:30,452 INFO L168 Benchmark]: TraceAbstraction took 2827.04 ms. Allocated memory was 202.9 MB in the beginning and 246.4 MB in the end (delta: 43.5 MB). Free memory was 108.6 MB in the beginning and 132.3 MB in the end (delta: -23.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:30,456 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 1.03 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 494.02 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.5 MB in the beginning and 179.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.10 ms. Allocated memory is still 202.9 MB. Free memory was 179.0 MB in the beginning and 175.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 891.17 ms. Allocated memory is still 202.9 MB. Free memory was 175.6 MB in the beginning and 109.3 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2827.04 ms. Allocated memory was 202.9 MB in the beginning and 246.4 MB in the end (delta: 43.5 MB). Free memory was 108.6 MB in the beginning and 132.3 MB in the end (delta: -23.6 MB). Peak memory consumption was 19.9 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...