/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/array-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:50:06,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:50:06,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:50:06,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:50:06,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:50:06,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:50:06,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:50:06,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:50:06,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:50:06,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:50:06,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:50:06,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:50:06,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:50:06,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:50:06,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:50:06,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:50:06,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:50:06,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:50:06,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:50:06,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:50:06,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:50:06,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:50:06,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:50:06,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:50:06,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:50:06,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:50:06,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:50:06,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:50:06,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:50:06,485 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:50:06,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:50:06,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:50:06,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:50:06,489 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:50:06,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:50:06,490 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:50:06,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:50:06,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:50:06,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:50:06,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:50:06,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:50:06,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:50:06,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:50:06,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:50:06,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:50:06,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:50:06,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:50:06,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:50:06,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:50:06,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:50:06,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:50:06,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:50:06,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:50:06,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:50:06,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:50:06,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:50:06,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:50:06,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:50:06,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:50:06,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:50:06,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:50:06,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:50:06,813 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:50:06,814 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:50:06,814 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array-2.c [2020-07-17 22:50:06,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32476ec36/814b71baad654c23ad15b75458a69f3f/FLAG1a87ef1a8 [2020-07-17 22:50:07,448 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:50:07,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/array-2.c [2020-07-17 22:50:07,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32476ec36/814b71baad654c23ad15b75458a69f3f/FLAG1a87ef1a8 [2020-07-17 22:50:07,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32476ec36/814b71baad654c23ad15b75458a69f3f [2020-07-17 22:50:07,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:50:07,479 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:50:07,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:50:07,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:50:07,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:50:07,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:50:07" (1/1) ... [2020-07-17 22:50:07,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a1ed89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07, skipping insertion in model container [2020-07-17 22:50:07,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:50:07" (1/1) ... [2020-07-17 22:50:07,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:50:07,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:50:07,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:50:07,700 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:50:07,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:50:07,745 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:50:07,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07 WrapperNode [2020-07-17 22:50:07,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:50:07,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:50:07,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:50:07,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:50:07,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07" (1/1) ... [2020-07-17 22:50:07,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07" (1/1) ... [2020-07-17 22:50:07,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07" (1/1) ... [2020-07-17 22:50:07,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07" (1/1) ... [2020-07-17 22:50:07,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07" (1/1) ... [2020-07-17 22:50:07,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07" (1/1) ... [2020-07-17 22:50:07,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07" (1/1) ... [2020-07-17 22:50:07,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:50:07,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:50:07,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:50:07,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:50:07,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07" (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 [2020-07-17 22:50:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:50:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:50:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 22:50:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:50:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:50:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:50:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:50:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:50:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:50:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:50:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:50:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:50:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:50:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:50:08,307 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:50:08,307 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 22:50:08,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:50:08 BoogieIcfgContainer [2020-07-17 22:50:08,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:50:08,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:50:08,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:50:08,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:50:08,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:50:07" (1/3) ... [2020-07-17 22:50:08,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ee9379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:50:08, skipping insertion in model container [2020-07-17 22:50:08,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:07" (2/3) ... [2020-07-17 22:50:08,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ee9379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:50:08, skipping insertion in model container [2020-07-17 22:50:08,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:50:08" (3/3) ... [2020-07-17 22:50:08,320 INFO L109 eAbstractionObserver]: Analyzing ICFG array-2.c [2020-07-17 22:50:08,331 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:50:08,341 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:50:08,356 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:50:08,377 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:50:08,377 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:50:08,377 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:50:08,377 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:50:08,378 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:50:08,378 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:50:08,378 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:50:08,378 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:50:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-07-17 22:50:08,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-17 22:50:08,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:50:08,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:50:08,402 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:50:08,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:50:08,407 INFO L82 PathProgramCache]: Analyzing trace with hash 202253298, now seen corresponding path program 1 times [2020-07-17 22:50:08,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:50:08,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195322346] [2020-07-17 22:50:08,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:50:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:50:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:50:08,654 INFO L280 TraceCheckUtils]: 0: Hoare triple {30#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {25#true} is VALID [2020-07-17 22:50:08,655 INFO L280 TraceCheckUtils]: 1: Hoare triple {25#true} assume true; {25#true} is VALID [2020-07-17 22:50:08,655 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {25#true} {25#true} #40#return; {25#true} is VALID [2020-07-17 22:50:08,658 INFO L263 TraceCheckUtils]: 0: Hoare triple {25#true} call ULTIMATE.init(); {30#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:50:08,659 INFO L280 TraceCheckUtils]: 1: Hoare triple {30#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {25#true} is VALID [2020-07-17 22:50:08,659 INFO L280 TraceCheckUtils]: 2: Hoare triple {25#true} assume true; {25#true} is VALID [2020-07-17 22:50:08,660 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {25#true} {25#true} #40#return; {25#true} is VALID [2020-07-17 22:50:08,660 INFO L263 TraceCheckUtils]: 4: Hoare triple {25#true} call #t~ret6 := main(); {25#true} is VALID [2020-07-17 22:50:08,660 INFO L280 TraceCheckUtils]: 5: Hoare triple {25#true} ~SIZE~0 := 1;havoc ~j~0;havoc ~k~0;call ~#array~0.base, ~#array~0.offset := #Ultimate.allocOnStack(4 * (if ~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then ~SIZE~0 % 4294967296 % 4294967296 else ~SIZE~0 % 4294967296 % 4294967296 - 4294967296));havoc ~menor~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~menor~0 := #t~nondet0;havoc #t~nondet0;~j~0 := 0; {25#true} is VALID [2020-07-17 22:50:08,661 INFO L280 TraceCheckUtils]: 6: Hoare triple {25#true} assume !true; {26#false} is VALID [2020-07-17 22:50:08,662 INFO L280 TraceCheckUtils]: 7: Hoare triple {26#false} call #t~mem5 := read~int(~#array~0.base, ~#array~0.offset, 4); {26#false} is VALID [2020-07-17 22:50:08,662 INFO L263 TraceCheckUtils]: 8: Hoare triple {26#false} call __VERIFIER_assert((if #t~mem5 > ~menor~0 then 1 else 0)); {26#false} is VALID [2020-07-17 22:50:08,662 INFO L280 TraceCheckUtils]: 9: Hoare triple {26#false} ~cond := #in~cond; {26#false} is VALID [2020-07-17 22:50:08,663 INFO L280 TraceCheckUtils]: 10: Hoare triple {26#false} assume 0 == ~cond; {26#false} is VALID [2020-07-17 22:50:08,663 INFO L280 TraceCheckUtils]: 11: Hoare triple {26#false} assume !false; {26#false} is VALID [2020-07-17 22:50:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:50:08,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195322346] [2020-07-17 22:50:08,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:50:08,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 22:50:08,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618984482] [2020-07-17 22:50:08,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-17 22:50:08,676 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:50:08,679 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 22:50:08,714 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:50:08,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 22:50:08,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:50:08,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 22:50:08,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 22:50:08,727 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2020-07-17 22:50:08,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:50:08,864 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2020-07-17 22:50:08,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 22:50:08,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-17 22:50:08,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:50:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 22:50:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2020-07-17 22:50:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 22:50:08,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2020-07-17 22:50:08,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 39 transitions. [2020-07-17 22:50:08,949 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:50:08,961 INFO L225 Difference]: With dead ends: 35 [2020-07-17 22:50:08,961 INFO L226 Difference]: Without dead ends: 15 [2020-07-17 22:50:08,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 22:50:08,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-07-17 22:50:09,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-07-17 22:50:09,011 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:50:09,012 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2020-07-17 22:50:09,012 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2020-07-17 22:50:09,013 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2020-07-17 22:50:09,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:50:09,016 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2020-07-17 22:50:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-07-17 22:50:09,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:50:09,017 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:50:09,017 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2020-07-17 22:50:09,018 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2020-07-17 22:50:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:50:09,021 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2020-07-17 22:50:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-07-17 22:50:09,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:50:09,022 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:50:09,023 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:50:09,023 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:50:09,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-17 22:50:09,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-07-17 22:50:09,027 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2020-07-17 22:50:09,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:50:09,028 INFO L479 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-07-17 22:50:09,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 22:50:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-07-17 22:50:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-17 22:50:09,029 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:50:09,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:50:09,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:50:09,030 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:50:09,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:50:09,031 INFO L82 PathProgramCache]: Analyzing trace with hash -112667363, now seen corresponding path program 1 times [2020-07-17 22:50:09,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:50:09,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517962019] [2020-07-17 22:50:09,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:50:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:50:09,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:50:09,104 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.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-17 22:50:09,110 INFO L168 Benchmark]: Toolchain (without parser) took 1632.72 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 103.3 MB in the beginning and 108.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:09,111 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 146.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 22:50:09,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.55 ms. Allocated memory is still 146.3 MB. Free memory was 102.9 MB in the beginning and 92.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:09,114 INFO L168 Benchmark]: Boogie Preprocessor took 175.51 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 92.7 MB in the beginning and 182.2 MB in the end (delta: -89.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:09,114 INFO L168 Benchmark]: RCFGBuilder took 389.35 ms. Allocated memory is still 205.0 MB. Free memory was 182.2 MB in the beginning and 161.5 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:09,115 INFO L168 Benchmark]: TraceAbstraction took 794.11 ms. Allocated memory is still 205.0 MB. Free memory was 161.5 MB in the beginning and 108.4 MB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:09,119 INFO L336 ainManager$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 0.46 ms. Allocated memory is still 146.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.55 ms. Allocated memory is still 146.3 MB. Free memory was 102.9 MB in the beginning and 92.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 175.51 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 92.7 MB in the beginning and 182.2 MB in the end (delta: -89.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 389.35 ms. Allocated memory is still 205.0 MB. Free memory was 182.2 MB in the beginning and 161.5 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 794.11 ms. Allocated memory is still 205.0 MB. Free memory was 161.5 MB in the beginning and 108.4 MB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 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.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...