/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/reducercommutativity/rangesum05.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 02:25:54,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 02:25:54,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 02:25:54,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 02:25:54,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 02:25:54,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 02:25:54,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 02:25:54,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 02:25:54,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 02:25:54,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 02:25:54,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 02:25:54,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 02:25:54,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 02:25:54,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 02:25:54,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 02:25:54,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 02:25:54,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 02:25:54,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 02:25:54,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 02:25:54,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 02:25:54,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 02:25:54,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 02:25:54,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 02:25:54,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 02:25:54,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-11 02:25:54,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 02:25:54,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 02:25:54,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 02:25:54,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 02:25:54,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 02:25:54,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 02:25:54,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 02:25:54,958 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 02:25:54,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 02:25:54,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 02:25:54,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 02:25:54,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 02:25:54,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 02:25:54,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 02:25:54,959 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 02:25:54,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 02:25:54,960 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 02:25:54,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 02:25:54,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 02:25:54,960 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 02:25:54,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 02:25:54,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 02:25:54,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 02:25:54,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 02:25:54,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 02:25:54,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 02:25:54,962 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 [2020-07-11 02:25:55,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 02:25:55,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 02:25:55,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 02:25:55,294 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 02:25:55,295 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 02:25:55,295 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum05.i [2020-07-11 02:25:55,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b727d5ed5/f512bf0bf06d451299fbe4a318cf0d5c/FLAG5456cdc3a [2020-07-11 02:25:55,885 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 02:25:55,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum05.i [2020-07-11 02:25:55,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b727d5ed5/f512bf0bf06d451299fbe4a318cf0d5c/FLAG5456cdc3a [2020-07-11 02:25:56,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b727d5ed5/f512bf0bf06d451299fbe4a318cf0d5c [2020-07-11 02:25:56,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 02:25:56,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 02:25:56,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 02:25:56,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 02:25:56,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 02:25:56,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:25:56" (1/1) ... [2020-07-11 02:25:56,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d456c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56, skipping insertion in model container [2020-07-11 02:25:56,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:25:56" (1/1) ... [2020-07-11 02:25:56,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 02:25:56,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 02:25:56,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:25:56,489 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 02:25:56,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:25:56,536 INFO L208 MainTranslator]: Completed translation [2020-07-11 02:25:56,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56 WrapperNode [2020-07-11 02:25:56,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 02:25:56,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 02:25:56,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 02:25:56,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 02:25:56,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56" (1/1) ... [2020-07-11 02:25:56,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56" (1/1) ... [2020-07-11 02:25:56,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56" (1/1) ... [2020-07-11 02:25:56,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56" (1/1) ... [2020-07-11 02:25:56,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56" (1/1) ... [2020-07-11 02:25:56,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56" (1/1) ... [2020-07-11 02:25:56,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56" (1/1) ... [2020-07-11 02:25:56,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 02:25:56,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 02:25:56,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 02:25:56,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 02:25:56,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56" (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 [2020-07-11 02:25:56,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 02:25:56,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 02:25:56,777 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2020-07-11 02:25:56,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2020-07-11 02:25:56,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 02:25:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 02:25:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 02:25:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2020-07-11 02:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 02:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2020-07-11 02:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 02:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 02:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 02:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 02:25:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 02:25:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 02:25:57,478 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 02:25:57,479 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-11 02:25:57,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:25:57 BoogieIcfgContainer [2020-07-11 02:25:57,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 02:25:57,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 02:25:57,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 02:25:57,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 02:25:57,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 02:25:56" (1/3) ... [2020-07-11 02:25:57,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445231bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:25:57, skipping insertion in model container [2020-07-11 02:25:57,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:25:56" (2/3) ... [2020-07-11 02:25:57,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445231bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:25:57, skipping insertion in model container [2020-07-11 02:25:57,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:25:57" (3/3) ... [2020-07-11 02:25:57,497 INFO L109 eAbstractionObserver]: Analyzing ICFG rangesum05.i [2020-07-11 02:25:57,509 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 02:25:57,520 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 02:25:57,536 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 02:25:57,565 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 02:25:57,565 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 02:25:57,566 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 02:25:57,566 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 02:25:57,566 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 02:25:57,567 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 02:25:57,567 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 02:25:57,567 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 02:25:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2020-07-11 02:25:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-11 02:25:57,621 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:25:57,624 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-11 02:25:57,624 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:25:57,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:25:57,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1280957069, now seen corresponding path program 1 times [2020-07-11 02:25:57,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:25:57,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674837896] [2020-07-11 02:25:57,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:25:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:25:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:25:57,926 INFO L280 TraceCheckUtils]: 0: Hoare triple {135#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {89#true} is VALID [2020-07-11 02:25:57,927 INFO L280 TraceCheckUtils]: 1: Hoare triple {89#true} #valid := #valid[0 := 0]; {89#true} is VALID [2020-07-11 02:25:57,928 INFO L280 TraceCheckUtils]: 2: Hoare triple {89#true} assume 0 < #StackHeapBarrier; {89#true} is VALID [2020-07-11 02:25:57,929 INFO L280 TraceCheckUtils]: 3: Hoare triple {89#true} assume true; {89#true} is VALID [2020-07-11 02:25:57,930 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {89#true} {89#true} #127#return; {89#true} is VALID [2020-07-11 02:25:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:25:57,977 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#(= |#memory_int| |old(#memory_int)|)} ~x.base, ~x.offset := #in~x.base, #in~x.offset; {89#true} is VALID [2020-07-11 02:25:57,978 INFO L280 TraceCheckUtils]: 1: Hoare triple {89#true} havoc ~i~0; {89#true} is VALID [2020-07-11 02:25:57,980 INFO L280 TraceCheckUtils]: 2: Hoare triple {89#true} ~i~0 := 0; {137#(<= init_nondet_~i~0 0)} is VALID [2020-07-11 02:25:57,981 INFO L280 TraceCheckUtils]: 3: Hoare triple {137#(<= init_nondet_~i~0 0)} assume !(~i~0 < 5); {90#false} is VALID [2020-07-11 02:25:57,982 INFO L280 TraceCheckUtils]: 4: Hoare triple {90#false} assume true; {90#false} is VALID [2020-07-11 02:25:57,983 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {90#false} {89#true} #131#return; {90#false} is VALID [2020-07-11 02:25:57,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674837896] [2020-07-11 02:25:57,992 WARN L333 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2020-07-11 02:25:57,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:25:57,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-07-11 02:25:57,993 ERROR L206 FreeRefinementEngine]: Strategy FIXED_PREFERENCES failed to provide any proof altough trace is infeasible [2020-07-11 02:25:57,994 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 02:25:58,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 02:25:58,034 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-11 02:25:58,034 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 02:25:58,035 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 02:25:58,035 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 02:25:58,035 WARN L170 areAnnotationChecker]: rangesumENTRY has no Hoare annotation [2020-07-11 02:25:58,035 WARN L170 areAnnotationChecker]: init_nondetENTRY has no Hoare annotation [2020-07-11 02:25:58,035 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:25:58,036 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:25:58,036 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:25:58,036 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-11 02:25:58,036 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-11 02:25:58,037 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 02:25:58,037 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-11 02:25:58,037 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-11 02:25:58,037 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 02:25:58,037 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-11 02:25:58,038 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-11 02:25:58,038 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-11 02:25:58,038 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 02:25:58,038 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-11 02:25:58,038 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-11 02:25:58,038 WARN L170 areAnnotationChecker]: L6-6 has no Hoare annotation [2020-07-11 02:25:58,039 WARN L170 areAnnotationChecker]: L6-6 has no Hoare annotation [2020-07-11 02:25:58,039 WARN L170 areAnnotationChecker]: L6-6 has no Hoare annotation [2020-07-11 02:25:58,039 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 02:25:58,039 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-11 02:25:58,039 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-11 02:25:58,039 WARN L170 areAnnotationChecker]: L6-7 has no Hoare annotation [2020-07-11 02:25:58,040 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-11 02:25:58,040 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-11 02:25:58,040 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-11 02:25:58,040 WARN L170 areAnnotationChecker]: init_nondetEXIT has no Hoare annotation [2020-07-11 02:25:58,040 WARN L170 areAnnotationChecker]: L7-1 has no Hoare annotation [2020-07-11 02:25:58,041 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-11 02:25:58,041 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-11 02:25:58,041 WARN L170 areAnnotationChecker]: L17-6 has no Hoare annotation [2020-07-11 02:25:58,041 WARN L170 areAnnotationChecker]: L17-6 has no Hoare annotation [2020-07-11 02:25:58,041 WARN L170 areAnnotationChecker]: L17-6 has no Hoare annotation [2020-07-11 02:25:58,041 WARN L170 areAnnotationChecker]: L7-2 has no Hoare annotation [2020-07-11 02:25:58,042 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-11 02:25:58,042 WARN L170 areAnnotationChecker]: L17-7 has no Hoare annotation [2020-07-11 02:25:58,042 WARN L170 areAnnotationChecker]: L17-7 has no Hoare annotation [2020-07-11 02:25:58,042 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-11 02:25:58,042 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-11 02:25:58,042 WARN L170 areAnnotationChecker]: L6-3 has no Hoare annotation [2020-07-11 02:25:58,043 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-11 02:25:58,043 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-11 02:25:58,043 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-11 02:25:58,043 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-11 02:25:58,043 WARN L170 areAnnotationChecker]: L17-3 has no Hoare annotation [2020-07-11 02:25:58,044 WARN L170 areAnnotationChecker]: L6-4 has no Hoare annotation [2020-07-11 02:25:58,044 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-11 02:25:58,044 WARN L170 areAnnotationChecker]: rangesumFINAL has no Hoare annotation [2020-07-11 02:25:58,044 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-11 02:25:58,044 WARN L170 areAnnotationChecker]: L17-4 has no Hoare annotation [2020-07-11 02:25:58,045 WARN L170 areAnnotationChecker]: L6-5 has no Hoare annotation [2020-07-11 02:25:58,045 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-11 02:25:58,045 WARN L170 areAnnotationChecker]: rangesumEXIT has no Hoare annotation [2020-07-11 02:25:58,045 WARN L170 areAnnotationChecker]: rangesumEXIT has no Hoare annotation [2020-07-11 02:25:58,045 WARN L170 areAnnotationChecker]: rangesumEXIT has no Hoare annotation [2020-07-11 02:25:58,045 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-11 02:25:58,046 WARN L170 areAnnotationChecker]: L17-5 has no Hoare annotation [2020-07-11 02:25:58,046 WARN L170 areAnnotationChecker]: L40-1 has no Hoare annotation [2020-07-11 02:25:58,046 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-11 02:25:58,046 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-11 02:25:58,046 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-11 02:25:58,046 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2020-07-11 02:25:58,047 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-11 02:25:58,047 WARN L170 areAnnotationChecker]: L47-1 has no Hoare annotation [2020-07-11 02:25:58,047 WARN L170 areAnnotationChecker]: L40-3 has no Hoare annotation [2020-07-11 02:25:58,047 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-11 02:25:58,048 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-11 02:25:58,048 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2020-07-11 02:25:58,048 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-11 02:25:58,048 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-11 02:25:58,048 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-11 02:25:58,048 WARN L170 areAnnotationChecker]: L40-5 has no Hoare annotation [2020-07-11 02:25:58,049 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-11 02:25:58,049 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2020-07-11 02:25:58,049 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2020-07-11 02:25:58,049 WARN L170 areAnnotationChecker]: L49-2 has no Hoare annotation [2020-07-11 02:25:58,049 WARN L170 areAnnotationChecker]: L40-6 has no Hoare annotation [2020-07-11 02:25:58,049 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2020-07-11 02:25:58,050 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-11 02:25:58,050 WARN L170 areAnnotationChecker]: L40-7 has no Hoare annotation [2020-07-11 02:25:58,050 WARN L170 areAnnotationChecker]: L40-7 has no Hoare annotation [2020-07-11 02:25:58,050 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-11 02:25:58,050 WARN L170 areAnnotationChecker]: L31-2 has no Hoare annotation [2020-07-11 02:25:58,051 WARN L170 areAnnotationChecker]: L43-6 has no Hoare annotation [2020-07-11 02:25:58,051 WARN L170 areAnnotationChecker]: L43-6 has no Hoare annotation [2020-07-11 02:25:58,051 WARN L170 areAnnotationChecker]: L43-6 has no Hoare annotation [2020-07-11 02:25:58,051 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 02:25:58,052 WARN L170 areAnnotationChecker]: L43-7 has no Hoare annotation [2020-07-11 02:25:58,052 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-11 02:25:58,052 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 02:25:58,052 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-11 02:25:58,052 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-11 02:25:58,053 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-11 02:25:58,053 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-11 02:25:58,053 WARN L170 areAnnotationChecker]: L43-3 has no Hoare annotation [2020-07-11 02:25:58,053 WARN L170 areAnnotationChecker]: L43-4 has no Hoare annotation [2020-07-11 02:25:58,053 WARN L170 areAnnotationChecker]: L43-5 has no Hoare annotation [2020-07-11 02:25:58,054 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 02:25:58,059 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-11 02:25:58,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 02:25:58 BoogieIcfgContainer [2020-07-11 02:25:58,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 02:25:58,065 INFO L168 Benchmark]: Toolchain (without parser) took 1833.77 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 100.4 MB in the beginning and 114.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. [2020-07-11 02:25:58,066 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 136.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-11 02:25:58,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.96 ms. Allocated memory is still 136.3 MB. Free memory was 99.9 MB in the beginning and 88.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-07-11 02:25:58,068 INFO L168 Benchmark]: Boogie Preprocessor took 157.72 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 88.7 MB in the beginning and 179.7 MB in the end (delta: -91.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-11 02:25:58,069 INFO L168 Benchmark]: RCFGBuilder took 789.19 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 144.5 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-07-11 02:25:58,070 INFO L168 Benchmark]: TraceAbstraction took 573.50 ms. Allocated memory is still 202.4 MB. Free memory was 143.8 MB in the beginning and 114.1 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-11 02:25:58,075 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 0.33 ms. Allocated memory is still 136.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.96 ms. Allocated memory is still 136.3 MB. Free memory was 99.9 MB in the beginning and 88.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.72 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 88.7 MB in the beginning and 179.7 MB in the end (delta: -91.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 789.19 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 144.5 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 573.50 ms. Allocated memory is still 202.4 MB. Free memory was 143.8 MB in the beginning and 114.1 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 50]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L31] int x[5]; [L32] CALL init_nondet(x) [L5] int i; [L6] i = 0 [L6] COND FALSE !(i < 5) [L32] RET init_nondet(x) [L33] int temp; [L34] int ret; [L35] int ret2; [L36] int ret5; [L38] CALL, EXPR rangesum(x) [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND FALSE !(i < 5) [L23] COND TRUE cnt !=0 [L24] return ret / cnt; [L38] RET, EXPR rangesum(x) [L38] ret = rangesum(x) [L40] EXPR x[0] [L40] temp=x[0] [L40] EXPR x[1] [L40] x[0] = x[1] [L40] x[1] = temp [L41] CALL, EXPR rangesum(x) [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND FALSE !(i < 5) [L23] COND TRUE cnt !=0 [L24] return ret / cnt; [L41] RET, EXPR rangesum(x) [L41] ret2 = rangesum(x) [L42] EXPR x[0] [L42] temp=x[0] [L43] int i =0 ; [L46] x[5 -1] = temp [L47] CALL, EXPR rangesum(x) [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND FALSE !(i < 5) [L23] COND TRUE cnt !=0 [L24] return ret / cnt; [L47] RET, EXPR rangesum(x) [L47] ret5 = rangesum(x) [L49] COND TRUE ret != ret2 || ret !=ret5 [L50] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 3, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...