java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-regression/oomInt_true-termination.c_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:06:38,764 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:06:38,766 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:06:38,779 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:06:38,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:06:38,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:06:38,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:06:38,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:06:38,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:06:38,791 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:06:38,795 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:06:38,795 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:06:38,797 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:06:38,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:06:38,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:06:38,806 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:06:38,808 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:06:38,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:06:38,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:06:38,816 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:06:38,819 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:06:38,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:06:38,825 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:06:38,825 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:06:38,825 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:06:38,826 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:06:38,827 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:06:38,829 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:06:38,830 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:06:38,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:06:38,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:06:38,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:06:38,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:06:38,835 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:06:38,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:06:38,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:06:38,838 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 11:06:38,852 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:06:38,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:06:38,853 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:06:38,854 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:06:38,854 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:06:38,855 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:06:38,855 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:06:38,855 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:06:38,855 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:06:38,855 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:06:38,856 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:06:38,856 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:06:38,856 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:06:38,856 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:06:38,856 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:06:38,857 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:06:38,857 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:06:38,857 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:06:38,857 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:06:38,857 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:06:38,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:06:38,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:06:38,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:06:38,858 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:06:38,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:06:38,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:06:38,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:06:38,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:06:38,860 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:06:38,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:06:38,860 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:06:38,860 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:06:38,860 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:06:38,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:06:38,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:06:38,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:06:38,948 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:06:38,949 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:06:38,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt_true-termination.c_true-unreach-call.i [2018-11-23 11:06:39,031 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365d4a243/a3c7b74aea7c49468e9af985ab406430/FLAGb7c5f6720 [2018-11-23 11:06:39,484 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:06:39,484 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt_true-termination.c_true-unreach-call.i [2018-11-23 11:06:39,490 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365d4a243/a3c7b74aea7c49468e9af985ab406430/FLAGb7c5f6720 [2018-11-23 11:06:39,862 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365d4a243/a3c7b74aea7c49468e9af985ab406430 [2018-11-23 11:06:39,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:06:39,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:06:39,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:39,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:06:39,881 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:06:39,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b2f1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39, skipping insertion in model container [2018-11-23 11:06:39,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:06:39,923 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:06:40,179 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:40,186 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:06:40,201 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:40,218 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:06:40,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40 WrapperNode [2018-11-23 11:06:40,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:40,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:40,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:06:40,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:06:40,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:40,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:06:40,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:06:40,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:06:40,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (1/1) ... [2018-11-23 11:06:40,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:06:40,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:06:40,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:06:40,264 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:06:40,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (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 [2018-11-23 11:06:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:06:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:06:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:06:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:06:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2018-11-23 11:06:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2018-11-23 11:06:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2018-11-23 11:06:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2018-11-23 11:06:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:06:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:06:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:06:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:06:40,810 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:06:40,810 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:06:40,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:40 BoogieIcfgContainer [2018-11-23 11:06:40,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:06:40,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:06:40,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:06:40,816 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:06:40,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:39" (1/3) ... [2018-11-23 11:06:40,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5947dede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:40, skipping insertion in model container [2018-11-23 11:06:40,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40" (2/3) ... [2018-11-23 11:06:40,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5947dede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:40, skipping insertion in model container [2018-11-23 11:06:40,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:40" (3/3) ... [2018-11-23 11:06:40,820 INFO L112 eAbstractionObserver]: Analyzing ICFG oomInt_true-termination.c_true-unreach-call.i [2018-11-23 11:06:40,831 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:06:40,841 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:06:40,859 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:06:40,892 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:06:40,893 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:06:40,893 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:06:40,893 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:06:40,894 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:06:40,894 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:06:40,894 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:06:40,895 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:06:40,897 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:06:40,915 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-23 11:06:40,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 11:06:40,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:40,923 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:40,925 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:40,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:40,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1975369800, now seen corresponding path program 1 times [2018-11-23 11:06:40,935 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:40,936 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:06:40,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:41,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:41,518 INFO L256 TraceCheckUtils]: 0: Hoare triple {28#true} call ULTIMATE.init(); {28#true} is VALID [2018-11-23 11:06:41,521 INFO L273 TraceCheckUtils]: 1: Hoare triple {28#true} ~p~0 := 0bv32; {28#true} is VALID [2018-11-23 11:06:41,522 INFO L273 TraceCheckUtils]: 2: Hoare triple {28#true} assume true; {28#true} is VALID [2018-11-23 11:06:41,523 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {28#true} {28#true} #29#return; {28#true} is VALID [2018-11-23 11:06:41,523 INFO L256 TraceCheckUtils]: 4: Hoare triple {28#true} call #t~ret1 := main(); {28#true} is VALID [2018-11-23 11:06:41,523 INFO L256 TraceCheckUtils]: 5: Hoare triple {28#true} call firstFunction(); {28#true} is VALID [2018-11-23 11:06:41,524 INFO L256 TraceCheckUtils]: 6: Hoare triple {28#true} call #t~ret0 := abs_int(4294967293bv32); {28#true} is VALID [2018-11-23 11:06:41,528 INFO L273 TraceCheckUtils]: 7: Hoare triple {28#true} ~i := #in~i; {54#(= |abs_int_#in~i| abs_int_~i)} is VALID [2018-11-23 11:06:41,535 INFO L273 TraceCheckUtils]: 8: Hoare triple {54#(= |abs_int_#in~i| abs_int_~i)} assume ~bvslt32(~i, 0bv32);#res := ~bvneg32(~i); {58#(= (bvneg |abs_int_#in~i|) |abs_int_#res|)} is VALID [2018-11-23 11:06:41,536 INFO L273 TraceCheckUtils]: 9: Hoare triple {58#(= (bvneg |abs_int_#in~i|) |abs_int_#res|)} assume true; {58#(= (bvneg |abs_int_#in~i|) |abs_int_#res|)} is VALID [2018-11-23 11:06:41,545 INFO L268 TraceCheckUtils]: 10: Hoare quadruple {58#(= (bvneg |abs_int_#in~i|) |abs_int_#res|)} {28#true} #33#return; {65#(= (_ bv3 32) |firstFunction_#t~ret0|)} is VALID [2018-11-23 11:06:41,559 INFO L273 TraceCheckUtils]: 11: Hoare triple {65#(= (_ bv3 32) |firstFunction_#t~ret0|)} ~p~0 := #t~ret0;havoc #t~ret0; {69#(= (_ bv3 32) ~p~0)} is VALID [2018-11-23 11:06:41,571 INFO L256 TraceCheckUtils]: 12: Hoare triple {69#(= (_ bv3 32) ~p~0)} call __VERIFIER_assert((if ~bvsge32(~p~0, 0bv32) then 1bv32 else 0bv32)); {73#(= (_ bv1 32) |__VERIFIER_assert_#in~i|)} is VALID [2018-11-23 11:06:41,572 INFO L273 TraceCheckUtils]: 13: Hoare triple {73#(= (_ bv1 32) |__VERIFIER_assert_#in~i|)} ~i := #in~i; {77#(= (_ bv1 32) __VERIFIER_assert_~i)} is VALID [2018-11-23 11:06:41,576 INFO L273 TraceCheckUtils]: 14: Hoare triple {77#(= (_ bv1 32) __VERIFIER_assert_~i)} assume 0bv32 == ~i; {29#false} is VALID [2018-11-23 11:06:41,576 INFO L273 TraceCheckUtils]: 15: Hoare triple {29#false} assume !false; {29#false} is VALID [2018-11-23 11:06:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:06:41,580 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:41,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:41,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 11:06:41,590 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-11-23 11:06:41,594 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:41,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 11:06:41,678 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:41,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 11:06:41,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 11:06:41,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:06:41,690 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 8 states. [2018-11-23 11:06:42,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:42,899 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-11-23 11:06:42,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:06:42,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-11-23 11:06:42,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:06:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2018-11-23 11:06:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:06:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2018-11-23 11:06:42,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 50 transitions. [2018-11-23 11:06:43,150 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:43,161 INFO L225 Difference]: With dead ends: 49 [2018-11-23 11:06:43,162 INFO L226 Difference]: Without dead ends: 17 [2018-11-23 11:06:43,165 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 11:06:43,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-23 11:06:43,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-23 11:06:43,220 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:43,221 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2018-11-23 11:06:43,222 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-11-23 11:06:43,222 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-11-23 11:06:43,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,226 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-11-23 11:06:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-11-23 11:06:43,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:43,227 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-11-23 11:06:43,227 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-11-23 11:06:43,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,231 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-11-23 11:06:43,231 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-11-23 11:06:43,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:43,232 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:43,233 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-23 11:06:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2018-11-23 11:06:43,237 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2018-11-23 11:06:43,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:43,237 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2018-11-23 11:06:43,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 11:06:43,237 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-11-23 11:06:43,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 11:06:43,238 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:43,239 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:43,239 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:43,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:43,240 INFO L82 PathProgramCache]: Analyzing trace with hash -576787161, now seen corresponding path program 1 times [2018-11-23 11:06:43,240 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:43,240 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:06:43,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:43,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:43,355 INFO L256 TraceCheckUtils]: 0: Hoare triple {207#true} call ULTIMATE.init(); {207#true} is VALID [2018-11-23 11:06:43,356 INFO L273 TraceCheckUtils]: 1: Hoare triple {207#true} ~p~0 := 0bv32; {207#true} is VALID [2018-11-23 11:06:43,356 INFO L273 TraceCheckUtils]: 2: Hoare triple {207#true} assume true; {207#true} is VALID [2018-11-23 11:06:43,357 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {207#true} {207#true} #29#return; {207#true} is VALID [2018-11-23 11:06:43,357 INFO L256 TraceCheckUtils]: 4: Hoare triple {207#true} call #t~ret1 := main(); {207#true} is VALID [2018-11-23 11:06:43,358 INFO L256 TraceCheckUtils]: 5: Hoare triple {207#true} call firstFunction(); {207#true} is VALID [2018-11-23 11:06:43,358 INFO L256 TraceCheckUtils]: 6: Hoare triple {207#true} call #t~ret0 := abs_int(4294967293bv32); {207#true} is VALID [2018-11-23 11:06:43,360 INFO L273 TraceCheckUtils]: 7: Hoare triple {207#true} ~i := #in~i; {233#(= |abs_int_#in~i| abs_int_~i)} is VALID [2018-11-23 11:06:43,368 INFO L273 TraceCheckUtils]: 8: Hoare triple {233#(= |abs_int_#in~i| abs_int_~i)} assume !~bvslt32(~i, 0bv32);#res := ~i; {237#(not (bvslt |abs_int_#in~i| (_ bv0 32)))} is VALID [2018-11-23 11:06:43,370 INFO L273 TraceCheckUtils]: 9: Hoare triple {237#(not (bvslt |abs_int_#in~i| (_ bv0 32)))} assume true; {237#(not (bvslt |abs_int_#in~i| (_ bv0 32)))} is VALID [2018-11-23 11:06:43,373 INFO L268 TraceCheckUtils]: 10: Hoare quadruple {237#(not (bvslt |abs_int_#in~i| (_ bv0 32)))} {207#true} #33#return; {208#false} is VALID [2018-11-23 11:06:43,373 INFO L273 TraceCheckUtils]: 11: Hoare triple {208#false} ~p~0 := #t~ret0;havoc #t~ret0; {208#false} is VALID [2018-11-23 11:06:43,373 INFO L256 TraceCheckUtils]: 12: Hoare triple {208#false} call __VERIFIER_assert((if ~bvsge32(~p~0, 0bv32) then 1bv32 else 0bv32)); {208#false} is VALID [2018-11-23 11:06:43,374 INFO L273 TraceCheckUtils]: 13: Hoare triple {208#false} ~i := #in~i; {208#false} is VALID [2018-11-23 11:06:43,374 INFO L273 TraceCheckUtils]: 14: Hoare triple {208#false} assume 0bv32 == ~i; {208#false} is VALID [2018-11-23 11:06:43,374 INFO L273 TraceCheckUtils]: 15: Hoare triple {208#false} assume !false; {208#false} is VALID [2018-11-23 11:06:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:06:43,376 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:43,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:43,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:06:43,383 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-23 11:06:43,383 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:43,384 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 11:06:43,412 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:43,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:06:43,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:06:43,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:06:43,413 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 4 states. [2018-11-23 11:06:43,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,498 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-11-23 11:06:43,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:06:43,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-23 11:06:43,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:06:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2018-11-23 11:06:43,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:06:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2018-11-23 11:06:43,503 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 16 transitions. [2018-11-23 11:06:43,551 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:43,552 INFO L225 Difference]: With dead ends: 17 [2018-11-23 11:06:43,552 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:06:43,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:06:43,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:06:43,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:06:43,554 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:43,554 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,554 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,554 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,555 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:43,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,555 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:43,556 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,556 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,556 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:43,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,557 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:43,557 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:43,557 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:43,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:06:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:06:43,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-23 11:06:43,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:43,558 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:06:43,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:06:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:43,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:06:43,883 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:43,884 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:43,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:43,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:43,884 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:06:43,884 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:43,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:43,885 INFO L444 ceAbstractionStarter]: At program point L30(line 30) the Hoare annotation is: (= (_ bv3 32) ~p~0) [2018-11-23 11:06:43,885 INFO L448 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-11-23 11:06:43,885 INFO L451 ceAbstractionStarter]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: true [2018-11-23 11:06:43,885 INFO L448 ceAbstractionStarter]: For program point firstFunctionFINAL(lines 27 31) no Hoare annotation was computed. [2018-11-23 11:06:43,885 INFO L448 ceAbstractionStarter]: For program point firstFunctionEXIT(lines 27 31) no Hoare annotation was computed. [2018-11-23 11:06:43,885 INFO L448 ceAbstractionStarter]: For program point abs_intEXIT(lines 16 25) no Hoare annotation was computed. [2018-11-23 11:06:43,886 INFO L451 ceAbstractionStarter]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true [2018-11-23 11:06:43,886 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. [2018-11-23 11:06:43,886 INFO L448 ceAbstractionStarter]: For program point abs_intFINAL(lines 16 25) no Hoare annotation was computed. [2018-11-23 11:06:43,886 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 33 36) the Hoare annotation is: true [2018-11-23 11:06:43,886 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 33 36) no Hoare annotation was computed. [2018-11-23 11:06:43,886 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 33 36) no Hoare annotation was computed. [2018-11-23 11:06:43,886 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true [2018-11-23 11:06:43,886 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-11-23 11:06:43,887 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 12) no Hoare annotation was computed. [2018-11-23 11:06:43,887 INFO L448 ceAbstractionStarter]: For program point L8(lines 8 11) no Hoare annotation was computed. [2018-11-23 11:06:43,887 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-23 11:06:43,887 INFO L448 ceAbstractionStarter]: For program point L8-2(lines 6 12) no Hoare annotation was computed. [2018-11-23 11:06:43,889 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:43,889 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2018-11-23 11:06:43,889 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-23 11:06:43,889 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:43,889 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2018-11-23 11:06:43,890 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:43,890 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:43,890 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2018-11-23 11:06:43,890 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-23 11:06:43,890 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-23 11:06:43,890 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:43,890 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2018-11-23 11:06:43,890 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2018-11-23 11:06:43,891 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:43,891 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:43,891 WARN L170 areAnnotationChecker]: firstFunctionFINAL has no Hoare annotation [2018-11-23 11:06:43,891 WARN L170 areAnnotationChecker]: abs_intFINAL has no Hoare annotation [2018-11-23 11:06:43,891 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:06:43,891 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2018-11-23 11:06:43,891 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2018-11-23 11:06:43,892 WARN L170 areAnnotationChecker]: L8-2 has no Hoare annotation [2018-11-23 11:06:43,892 WARN L170 areAnnotationChecker]: firstFunctionFINAL has no Hoare annotation [2018-11-23 11:06:43,892 WARN L170 areAnnotationChecker]: abs_intEXIT has no Hoare annotation [2018-11-23 11:06:43,892 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 11:06:43,892 WARN L170 areAnnotationChecker]: firstFunctionEXIT has no Hoare annotation [2018-11-23 11:06:43,892 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 11:06:43,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:43 BoogieIcfgContainer [2018-11-23 11:06:43,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:06:43,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:06:43,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:06:43,896 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:06:43,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:40" (3/4) ... [2018-11-23 11:06:43,900 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:06:43,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:06:43,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure firstFunction [2018-11-23 11:06:43,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure abs_int [2018-11-23 11:06:43,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:06:43,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 11:06:43,913 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 11:06:43,914 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:06:43,957 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/oomInt_true-termination.c_true-unreach-call.i-witness.graphml [2018-11-23 11:06:43,957 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:06:43,959 INFO L168 Benchmark]: Toolchain (without parser) took 4084.60 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.6 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -607.0 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:43,961 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:43,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:43,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:43,963 INFO L168 Benchmark]: Boogie Preprocessor took 22.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:43,965 INFO L168 Benchmark]: RCFGBuilder took 547.24 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:43,966 INFO L168 Benchmark]: TraceAbstraction took 3082.79 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 152.5 MB). Peak memory consumption was 152.5 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:43,971 INFO L168 Benchmark]: Witness Printer took 61.93 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:43,976 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 342.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 21.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 547.24 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3082.79 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 152.5 MB). Peak memory consumption was 152.5 MB. Max. memory is 7.1 GB. * Witness Printer took 61.93 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 25 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 28 SDtfs, 20 SDslu, 121 SDs, 0 SdLazy, 52 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 10 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 810 SizeOfPredicates, 5 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...