/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/loops/trex01-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 02:28:16,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 02:28:16,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 02:28:16,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 02:28:16,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 02:28:16,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 02:28:16,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 02:28:16,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 02:28:16,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 02:28:16,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 02:28:16,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 02:28:16,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 02:28:16,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 02:28:16,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 02:28:16,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 02:28:16,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 02:28:16,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 02:28:16,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 02:28:16,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 02:28:16,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 02:28:16,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 02:28:16,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 02:28:16,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 02:28:16,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 02:28:16,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 02:28:16,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 02:28:16,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 02:28:16,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 02:28:16,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 02:28:16,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 02:28:16,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 02:28:16,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 02:28:16,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 02:28:16,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 02:28:16,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 02:28:16,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 02:28:16,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 02:28:16,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 02:28:16,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 02:28:16,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 02:28:16,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 02:28:16,769 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 02:28:16,781 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 02:28:16,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 02:28:16,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 02:28:16,784 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 02:28:16,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 02:28:16,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 02:28:16,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 02:28:16,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 02:28:16,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 02:28:16,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 02:28:16,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 02:28:16,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 02:28:16,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 02:28:16,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 02:28:16,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 02:28:16,788 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 02:28:16,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 02:28:16,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 02:28:16,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 02:28:16,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 02:28:16,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 02:28:16,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 02:28:16,789 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 02:28:17,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 02:28:17,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 02:28:17,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 02:28:17,100 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 02:28:17,100 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 02:28:17,101 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex01-1.c [2020-07-11 02:28:17,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d9a0017/309b49d2065e4da3b4bd7888fba030ac/FLAG69295cd54 [2020-07-11 02:28:17,684 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 02:28:17,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex01-1.c [2020-07-11 02:28:17,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d9a0017/309b49d2065e4da3b4bd7888fba030ac/FLAG69295cd54 [2020-07-11 02:28:18,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d9a0017/309b49d2065e4da3b4bd7888fba030ac [2020-07-11 02:28:18,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 02:28:18,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 02:28:18,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 02:28:18,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 02:28:18,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 02:28:18,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:28:18" (1/1) ... [2020-07-11 02:28:18,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779759fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18, skipping insertion in model container [2020-07-11 02:28:18,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:28:18" (1/1) ... [2020-07-11 02:28:18,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 02:28:18,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 02:28:18,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:28:18,270 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 02:28:18,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:28:18,305 INFO L208 MainTranslator]: Completed translation [2020-07-11 02:28:18,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18 WrapperNode [2020-07-11 02:28:18,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 02:28:18,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 02:28:18,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 02:28:18,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 02:28:18,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18" (1/1) ... [2020-07-11 02:28:18,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18" (1/1) ... [2020-07-11 02:28:18,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18" (1/1) ... [2020-07-11 02:28:18,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18" (1/1) ... [2020-07-11 02:28:18,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18" (1/1) ... [2020-07-11 02:28:18,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18" (1/1) ... [2020-07-11 02:28:18,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18" (1/1) ... [2020-07-11 02:28:18,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 02:28:18,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 02:28:18,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 02:28:18,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 02:28:18,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18" (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 02:28:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 02:28:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 02:28:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-11 02:28:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-11 02:28:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 02:28:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 02:28:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-11 02:28:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-11 02:28:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 02:28:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-11 02:28:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 02:28:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 02:28:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 02:28:18,888 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 02:28:18,888 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-11 02:28:18,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:28:18 BoogieIcfgContainer [2020-07-11 02:28:18,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 02:28:18,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 02:28:18,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 02:28:18,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 02:28:18,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 02:28:18" (1/3) ... [2020-07-11 02:28:18,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc3a47c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:28:18, skipping insertion in model container [2020-07-11 02:28:18,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:28:18" (2/3) ... [2020-07-11 02:28:18,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc3a47c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:28:18, skipping insertion in model container [2020-07-11 02:28:18,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:28:18" (3/3) ... [2020-07-11 02:28:18,910 INFO L109 eAbstractionObserver]: Analyzing ICFG trex01-1.c [2020-07-11 02:28:18,919 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 02:28:18,926 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 02:28:18,941 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 02:28:18,963 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 02:28:18,963 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 02:28:18,963 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 02:28:18,964 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 02:28:18,964 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 02:28:18,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 02:28:18,964 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 02:28:18,964 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 02:28:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-07-11 02:28:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-11 02:28:18,993 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:28:18,994 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] [2020-07-11 02:28:18,994 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:28:18,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:28:18,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1256366237, now seen corresponding path program 1 times [2020-07-11 02:28:19,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:28:19,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941528781] [2020-07-11 02:28:19,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:28:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 02:28:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 02:28:19,150 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 02:28:19,151 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 02:28:19,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 02:28:19,181 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 02:28:19,182 WARN L170 areAnnotationChecker]: fENTRY has no Hoare annotation [2020-07-11 02:28:19,182 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 02:28:19,182 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 02:28:19,182 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 02:28:19,183 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-11 02:28:19,183 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 02:28:19,183 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 02:28:19,183 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:28:19,184 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:28:19,184 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-11 02:28:19,184 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-11 02:28:19,184 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-11 02:28:19,184 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-11 02:28:19,185 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 02:28:19,185 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-11 02:28:19,185 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-11 02:28:19,185 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-11 02:28:19,185 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-11 02:28:19,186 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2020-07-11 02:28:19,186 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-11 02:28:19,186 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-11 02:28:19,186 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-11 02:28:19,187 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-11 02:28:19,187 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-11 02:28:19,187 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-11 02:28:19,187 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-11 02:28:19,188 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-11 02:28:19,188 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-11 02:28:19,188 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-11 02:28:19,188 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-11 02:28:19,188 WARN L170 areAnnotationChecker]: L13-4 has no Hoare annotation [2020-07-11 02:28:19,189 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 02:28:19,189 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-11 02:28:19,189 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-11 02:28:19,189 WARN L170 areAnnotationChecker]: L13-5 has no Hoare annotation [2020-07-11 02:28:19,189 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 02:28:19,189 WARN L170 areAnnotationChecker]: fEXIT has no Hoare annotation [2020-07-11 02:28:19,190 WARN L170 areAnnotationChecker]: fEXIT has no Hoare annotation [2020-07-11 02:28:19,190 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-11 02:28:19,190 WARN L170 areAnnotationChecker]: L13-6 has no Hoare annotation [2020-07-11 02:28:19,190 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-11 02:28:19,190 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-11 02:28:19,191 WARN L170 areAnnotationChecker]: L13-7 has no Hoare annotation [2020-07-11 02:28:19,191 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-11 02:28:19,191 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-11 02:28:19,191 WARN L170 areAnnotationChecker]: L13-8 has no Hoare annotation [2020-07-11 02:28:19,191 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-11 02:28:19,192 WARN L170 areAnnotationChecker]: L13-9 has no Hoare annotation [2020-07-11 02:28:19,192 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-11 02:28:19,192 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-11 02:28:19,192 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-11 02:28:19,192 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-11 02:28:19,192 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-11 02:28:19,193 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-11 02:28:19,193 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-11 02:28:19,193 WARN L170 areAnnotationChecker]: L17-3 has no Hoare annotation [2020-07-11 02:28:19,193 WARN L170 areAnnotationChecker]: L17-3 has no Hoare annotation [2020-07-11 02:28:19,193 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-11 02:28:19,194 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 02:28:19,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 02:28:19 BoogieIcfgContainer [2020-07-11 02:28:19,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 02:28:19,202 INFO L168 Benchmark]: Toolchain (without parser) took 1147.58 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 103.2 MB in the beginning and 140.4 MB in the end (delta: -37.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-07-11 02:28:19,203 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-11 02:28:19,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.14 ms. Allocated memory is still 138.4 MB. Free memory was 103.0 MB in the beginning and 93.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-11 02:28:19,206 INFO L168 Benchmark]: Boogie Preprocessor took 129.93 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.0 MB in the beginning and 180.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-07-11 02:28:19,206 INFO L168 Benchmark]: RCFGBuilder took 455.88 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 157.7 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-07-11 02:28:19,207 INFO L168 Benchmark]: TraceAbstraction took 298.64 ms. Allocated memory is still 201.9 MB. Free memory was 157.0 MB in the beginning and 140.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2020-07-11 02:28:19,211 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 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.14 ms. Allocated memory is still 138.4 MB. Free memory was 103.0 MB in the beginning and 93.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.93 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.0 MB in the beginning and 180.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 455.88 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 157.7 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 298.64 ms. Allocated memory is still 201.9 MB. Free memory was 157.0 MB in the beginning and 140.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L34] _Bool c = __VERIFIER_nondet_bool(); VAL [__VERIFIER_nondet_bool()=1, c=1] [L35] COND TRUE \read(c) VAL [c=1] [L36] CALL f(1) VAL [\old(d)=1] [L13] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; VAL [\old(d)=1, __VERIFIER_nondet_int()=0, d=1, x=0] [L13] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; VAL [\old(d)=1, __VERIFIER_nondet_int()=0, d=1, x=0, y=0] [L13] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; VAL [\old(d)=1, __VERIFIER_nondet_int()=0, d=1, k=0, x=0, y=0] [L13] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; VAL [\old(d)=1, d=1, k=0, x=0, y=0, z=1] [L14] COND FALSE !(!(k <= 1073741823)) VAL [\old(d)=1, d=1, k=0, x=0, y=0, z=1] [L17] COND FALSE !(z < k) VAL [\old(d)=1, d=1, k=0, x=0, y=0, z=1] [L18] CALL __VERIFIER_assert(z>=2) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, 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=46occurred 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, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 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 proved your program to be incorrect! Received shutdown request...