/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/ldv-regression/test24-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:22:15,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:22:15,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:22:15,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-18 00:22:15,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:22:15,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:22:15,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:22:15,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:22:15,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:22:15,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:22:15,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:22:15,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:22:15,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:22:15,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:22:15,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:22:15,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:22:15,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:22:15,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:22:15,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:22:15,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:22:15,660 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 00:22:15,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:22:15,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:22:15,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:22:15,697 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:22:15,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:22:15,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:22:15,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:22:15,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:22:15,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:22:15,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:22:15,698 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:22:15,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:22:15,700 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:22:15,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:22:15,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:22:15,701 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:22:15,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:22:15,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:22:15,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:22:15,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:22:15,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:22:15,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:22:15,703 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:22:16,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:22:16,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:22:16,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:22:16,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:22:16,077 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:22:16,078 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test24-2.c [2020-07-18 00:22:16,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05711b72/343a382ecea546cc8610c12c1105b860/FLAG56c02b5ea [2020-07-18 00:22:16,873 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:22:16,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test24-2.c [2020-07-18 00:22:16,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05711b72/343a382ecea546cc8610c12c1105b860/FLAG56c02b5ea [2020-07-18 00:22:17,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05711b72/343a382ecea546cc8610c12c1105b860 [2020-07-18 00:22:17,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:22:17,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:22:17,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:17,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:22:17,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:22:17,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:17" (1/1) ... [2020-07-18 00:22:17,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ab632c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17, skipping insertion in model container [2020-07-18 00:22:17,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:17" (1/1) ... [2020-07-18 00:22:17,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:22:17,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:22:17,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:17,579 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:22:17,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:17,630 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:22:17,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17 WrapperNode [2020-07-18 00:22:17,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:17,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:22:17,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:22:17,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:22:17,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17" (1/1) ... [2020-07-18 00:22:17,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17" (1/1) ... [2020-07-18 00:22:17,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17" (1/1) ... [2020-07-18 00:22:17,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17" (1/1) ... [2020-07-18 00:22:17,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17" (1/1) ... [2020-07-18 00:22:17,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17" (1/1) ... [2020-07-18 00:22:17,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17" (1/1) ... [2020-07-18 00:22:17,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:22:17,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:22:17,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:22:17,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:22:17,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17" (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 00:22:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:22:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:22:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-07-18 00:22:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:22:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:22:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:22:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-18 00:22:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:22:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:22:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:22:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:22:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:22:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:22:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:22:18,463 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:22:18,463 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-18 00:22:18,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:18 BoogieIcfgContainer [2020-07-18 00:22:18,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:22:18,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:22:18,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:22:18,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:22:18,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:22:17" (1/3) ... [2020-07-18 00:22:18,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599c1e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:18, skipping insertion in model container [2020-07-18 00:22:18,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:17" (2/3) ... [2020-07-18 00:22:18,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599c1e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:18, skipping insertion in model container [2020-07-18 00:22:18,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:18" (3/3) ... [2020-07-18 00:22:18,487 INFO L109 eAbstractionObserver]: Analyzing ICFG test24-2.c [2020-07-18 00:22:18,497 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:22:18,504 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:22:18,519 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:22:18,548 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:22:18,548 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:22:18,548 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:22:18,549 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:22:18,549 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:22:18,549 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:22:18,549 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:22:18,549 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:22:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-07-18 00:22:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-18 00:22:18,579 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:22:18,580 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] [2020-07-18 00:22:18,581 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:22:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:22:18,587 INFO L82 PathProgramCache]: Analyzing trace with hash 2031307650, now seen corresponding path program 1 times [2020-07-18 00:22:18,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:22:18,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835636809] [2020-07-18 00:22:18,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:22:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:18,878 INFO L280 TraceCheckUtils]: 0: Hoare triple {81#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {67#true} is VALID [2020-07-18 00:22:18,879 INFO L280 TraceCheckUtils]: 1: Hoare triple {67#true} #valid := #valid[0 := 0]; {67#true} is VALID [2020-07-18 00:22:18,880 INFO L280 TraceCheckUtils]: 2: Hoare triple {67#true} assume 0 < #StackHeapBarrier; {67#true} is VALID [2020-07-18 00:22:18,881 INFO L280 TraceCheckUtils]: 3: Hoare triple {67#true} assume true; {67#true} is VALID [2020-07-18 00:22:18,881 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {67#true} {67#true} #92#return; {67#true} is VALID [2020-07-18 00:22:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:18,907 INFO L280 TraceCheckUtils]: 0: Hoare triple {67#true} ~ad1.base, ~ad1.offset := #in~ad1.base, #in~ad1.offset; {67#true} is VALID [2020-07-18 00:22:18,908 INFO L280 TraceCheckUtils]: 1: Hoare triple {67#true} ~b := #in~b; {67#true} is VALID [2020-07-18 00:22:18,909 INFO L280 TraceCheckUtils]: 2: Hoare triple {67#true} SUMMARY for call #t~mem0 := read~int(~ad1.base, ~ad1.offset + 8 * ~b, 4); srcloc: L10 {67#true} is VALID [2020-07-18 00:22:18,910 INFO L280 TraceCheckUtils]: 3: Hoare triple {67#true} #res := (if #t~mem0 == ~b then 1 else 0); {67#true} is VALID [2020-07-18 00:22:18,910 INFO L280 TraceCheckUtils]: 4: Hoare triple {67#true} havoc #t~mem0; {67#true} is VALID [2020-07-18 00:22:18,911 INFO L280 TraceCheckUtils]: 5: Hoare triple {67#true} assume true; {67#true} is VALID [2020-07-18 00:22:18,911 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {67#true} {68#false} #96#return; {68#false} is VALID [2020-07-18 00:22:18,914 INFO L263 TraceCheckUtils]: 0: Hoare triple {67#true} call ULTIMATE.init(); {81#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:22:18,915 INFO L280 TraceCheckUtils]: 1: Hoare triple {81#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {67#true} is VALID [2020-07-18 00:22:18,916 INFO L280 TraceCheckUtils]: 2: Hoare triple {67#true} #valid := #valid[0 := 0]; {67#true} is VALID [2020-07-18 00:22:18,916 INFO L280 TraceCheckUtils]: 3: Hoare triple {67#true} assume 0 < #StackHeapBarrier; {67#true} is VALID [2020-07-18 00:22:18,917 INFO L280 TraceCheckUtils]: 4: Hoare triple {67#true} assume true; {67#true} is VALID [2020-07-18 00:22:18,917 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {67#true} {67#true} #92#return; {67#true} is VALID [2020-07-18 00:22:18,917 INFO L263 TraceCheckUtils]: 6: Hoare triple {67#true} call #t~ret9 := main(); {67#true} is VALID [2020-07-18 00:22:18,918 INFO L280 TraceCheckUtils]: 7: Hoare triple {67#true} SUMMARY for call ~#ad1~0.base, ~#ad1~0.offset := #Ultimate.allocOnStack(160); srcloc: mainENTRY {67#true} is VALID [2020-07-18 00:22:18,919 INFO L280 TraceCheckUtils]: 8: Hoare triple {67#true} havoc ~ad2~0.base, ~ad2~0.offset; {67#true} is VALID [2020-07-18 00:22:18,919 INFO L280 TraceCheckUtils]: 9: Hoare triple {67#true} havoc ~i~0; {67#true} is VALID [2020-07-18 00:22:18,920 INFO L280 TraceCheckUtils]: 10: Hoare triple {67#true} havoc ~j~0; {67#true} is VALID [2020-07-18 00:22:18,920 INFO L280 TraceCheckUtils]: 11: Hoare triple {67#true} havoc ~pa~0.base, ~pa~0.offset; {67#true} is VALID [2020-07-18 00:22:18,921 INFO L280 TraceCheckUtils]: 12: Hoare triple {67#true} ~j~0 := 0; {67#true} is VALID [2020-07-18 00:22:18,923 INFO L280 TraceCheckUtils]: 13: Hoare triple {67#true} assume !true; {68#false} is VALID [2020-07-18 00:22:18,924 INFO L280 TraceCheckUtils]: 14: Hoare triple {68#false} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {68#false} is VALID [2020-07-18 00:22:18,925 INFO L280 TraceCheckUtils]: 15: Hoare triple {68#false} ~i~0 := #t~nondet4; {68#false} is VALID [2020-07-18 00:22:18,925 INFO L280 TraceCheckUtils]: 16: Hoare triple {68#false} havoc #t~nondet4; {68#false} is VALID [2020-07-18 00:22:18,926 INFO L280 TraceCheckUtils]: 17: Hoare triple {68#false} assume ~i~0 >= 0 && ~i~0 < 10; {68#false} is VALID [2020-07-18 00:22:18,926 INFO L280 TraceCheckUtils]: 18: Hoare triple {68#false} ~ad2~0.base, ~ad2~0.offset := ~#ad1~0.base, ~#ad1~0.offset; {68#false} is VALID [2020-07-18 00:22:18,927 INFO L280 TraceCheckUtils]: 19: Hoare triple {68#false} SUMMARY for call write~int(~i~0, ~#ad1~0.base, ~#ad1~0.offset + 8 * ~i~0, 4); srcloc: L24 {68#false} is VALID [2020-07-18 00:22:18,927 INFO L280 TraceCheckUtils]: 20: Hoare triple {68#false} ~pa~0.base, ~pa~0.offset := ~#ad1~0.base, ~#ad1~0.offset + 8 * ~i~0; {68#false} is VALID [2020-07-18 00:22:18,928 INFO L280 TraceCheckUtils]: 21: Hoare triple {68#false} SUMMARY for call #t~mem5 := read~int(~ad2~0.base, ~ad2~0.offset + 8 * ~i~0, 4); srcloc: L26 {68#false} is VALID [2020-07-18 00:22:18,928 INFO L280 TraceCheckUtils]: 22: Hoare triple {68#false} ~i~0 := 10 + #t~mem5; {68#false} is VALID [2020-07-18 00:22:18,929 INFO L280 TraceCheckUtils]: 23: Hoare triple {68#false} havoc #t~mem5; {68#false} is VALID [2020-07-18 00:22:18,929 INFO L280 TraceCheckUtils]: 24: Hoare triple {68#false} assume !true; {68#false} is VALID [2020-07-18 00:22:18,930 INFO L263 TraceCheckUtils]: 25: Hoare triple {68#false} call #t~ret8 := check(~#ad1~0.base, ~#ad1~0.offset, ~i~0); {67#true} is VALID [2020-07-18 00:22:18,930 INFO L280 TraceCheckUtils]: 26: Hoare triple {67#true} ~ad1.base, ~ad1.offset := #in~ad1.base, #in~ad1.offset; {67#true} is VALID [2020-07-18 00:22:18,930 INFO L280 TraceCheckUtils]: 27: Hoare triple {67#true} ~b := #in~b; {67#true} is VALID [2020-07-18 00:22:18,931 INFO L280 TraceCheckUtils]: 28: Hoare triple {67#true} SUMMARY for call #t~mem0 := read~int(~ad1.base, ~ad1.offset + 8 * ~b, 4); srcloc: L10 {67#true} is VALID [2020-07-18 00:22:18,931 INFO L280 TraceCheckUtils]: 29: Hoare triple {67#true} #res := (if #t~mem0 == ~b then 1 else 0); {67#true} is VALID [2020-07-18 00:22:18,932 INFO L280 TraceCheckUtils]: 30: Hoare triple {67#true} havoc #t~mem0; {67#true} is VALID [2020-07-18 00:22:18,932 INFO L280 TraceCheckUtils]: 31: Hoare triple {67#true} assume true; {67#true} is VALID [2020-07-18 00:22:18,933 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {67#true} {68#false} #96#return; {68#false} is VALID [2020-07-18 00:22:18,933 INFO L280 TraceCheckUtils]: 33: Hoare triple {68#false} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {68#false} is VALID [2020-07-18 00:22:18,934 INFO L280 TraceCheckUtils]: 34: Hoare triple {68#false} assume 0 == #t~ret8; {68#false} is VALID [2020-07-18 00:22:18,934 INFO L280 TraceCheckUtils]: 35: Hoare triple {68#false} havoc #t~ret8; {68#false} is VALID [2020-07-18 00:22:18,935 INFO L280 TraceCheckUtils]: 36: Hoare triple {68#false} assume !false; {68#false} is VALID [2020-07-18 00:22:18,940 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 00:22:19,009 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:22:19,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835636809] [2020-07-18 00:22:19,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:22:19,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 00:22:19,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929589445] [2020-07-18 00:22:19,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-07-18 00:22:19,030 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:22:19,035 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 00:22:19,072 WARN L140 InductivityCheck]: Transition 67#true ( _ , assume !false; , 68#false ) not inductive [2020-07-18 00:22:19,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:22:19,074 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:22:19,081 INFO L168 Benchmark]: Toolchain (without parser) took 1848.21 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.3 MB in the beginning and 119.0 MB in the end (delta: -16.7 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:19,082 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 138.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 00:22:19,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.74 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 91.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:19,085 INFO L168 Benchmark]: Boogie Preprocessor took 168.49 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 91.1 MB in the beginning and 180.9 MB in the end (delta: -89.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:19,086 INFO L168 Benchmark]: RCFGBuilder took 667.82 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 153.1 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:19,086 INFO L168 Benchmark]: TraceAbstraction took 606.97 ms. Allocated memory is still 203.4 MB. Free memory was 152.1 MB in the beginning and 119.0 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:19,091 INFO L336 ainManager$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 0.38 ms. Allocated memory is still 138.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 395.74 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 91.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 168.49 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 91.1 MB in the beginning and 180.9 MB in the end (delta: -89.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 667.82 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 153.1 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 606.97 ms. Allocated memory is still 203.4 MB. Free memory was 152.1 MB in the beginning and 119.0 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...