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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 17:37:14,978 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 17:37:14,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 17:37:14,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 17:37:14,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 17:37:15,001 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 17:37:15,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 17:37:15,005 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 17:37:15,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 17:37:15,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 17:37:15,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 17:37:15,017 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 17:37:15,021 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 17:37:15,022 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 17:37:15,025 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 17:37:15,026 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 17:37:15,028 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 17:37:15,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 17:37:15,038 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 17:37:15,039 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 17:37:15,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 17:37:15,044 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 17:37:15,046 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 17:37:15,046 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 17:37:15,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 17:37:15,048 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 17:37:15,049 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 17:37:15,049 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 17:37:15,050 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 17:37:15,051 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 17:37:15,051 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 17:37:15,052 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 17:37:15,052 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 17:37:15,052 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 17:37:15,054 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 17:37:15,054 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 17:37:15,055 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-14 17:37:15,072 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 17:37:15,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 17:37:15,073 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 17:37:15,073 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 17:37:15,074 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 17:37:15,074 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 17:37:15,074 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 17:37:15,075 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 17:37:15,075 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 17:37:15,075 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 17:37:15,075 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 17:37:15,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 17:37:15,075 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 17:37:15,076 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 17:37:15,076 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 17:37:15,076 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 17:37:15,076 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 17:37:15,076 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 17:37:15,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 17:37:15,077 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 17:37:15,077 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 17:37:15,077 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 17:37:15,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:37:15,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 17:37:15,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 17:37:15,078 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 17:37:15,078 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 17:37:15,078 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 17:37:15,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 17:37:15,079 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 17:37:15,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 17:37:15,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 17:37:15,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 17:37:15,156 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 17:37:15,156 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 17:37:15,157 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-14 17:37:15,216 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d706631c3/b74b70b8d1b3449ba2881b401d0abcf7/FLAGf7d1c1356 [2018-11-14 17:37:15,724 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 17:37:15,725 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-14 17:37:15,732 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d706631c3/b74b70b8d1b3449ba2881b401d0abcf7/FLAGf7d1c1356 [2018-11-14 17:37:15,748 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d706631c3/b74b70b8d1b3449ba2881b401d0abcf7 [2018-11-14 17:37:15,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 17:37:15,761 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 17:37:15,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 17:37:15,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 17:37:15,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 17:37:15,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:37:15" (1/1) ... [2018-11-14 17:37:15,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ab44d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:15, skipping insertion in model container [2018-11-14 17:37:15,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:37:15" (1/1) ... [2018-11-14 17:37:15,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 17:37:15,815 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 17:37:16,056 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:37:16,064 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 17:37:16,115 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:37:16,140 INFO L195 MainTranslator]: Completed translation [2018-11-14 17:37:16,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16 WrapperNode [2018-11-14 17:37:16,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 17:37:16,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 17:37:16,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 17:37:16,143 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 17:37:16,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16" (1/1) ... [2018-11-14 17:37:16,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16" (1/1) ... [2018-11-14 17:37:16,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16" (1/1) ... [2018-11-14 17:37:16,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16" (1/1) ... [2018-11-14 17:37:16,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16" (1/1) ... [2018-11-14 17:37:16,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16" (1/1) ... [2018-11-14 17:37:16,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16" (1/1) ... [2018-11-14 17:37:16,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 17:37:16,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 17:37:16,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 17:37:16,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 17:37:16,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16" (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 [2018-11-14 17:37:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 17:37:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 17:37:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 17:37:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 17:37:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 17:37:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 17:37:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 17:37:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 17:37:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 17:37:17,137 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 17:37:17,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:37:17 BoogieIcfgContainer [2018-11-14 17:37:17,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 17:37:17,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 17:37:17,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 17:37:17,143 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 17:37:17,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:37:15" (1/3) ... [2018-11-14 17:37:17,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c10269e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:37:17, skipping insertion in model container [2018-11-14 17:37:17,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:16" (2/3) ... [2018-11-14 17:37:17,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c10269e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:37:17, skipping insertion in model container [2018-11-14 17:37:17,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:37:17" (3/3) ... [2018-11-14 17:37:17,147 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-14 17:37:17,157 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 17:37:17,166 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 17:37:17,180 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 17:37:17,213 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 17:37:17,214 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 17:37:17,214 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 17:37:17,214 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 17:37:17,215 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 17:37:17,216 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 17:37:17,216 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 17:37:17,216 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 17:37:17,216 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 17:37:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-14 17:37:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-14 17:37:17,244 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:37:17,245 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:37:17,247 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:37:17,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:37:17,254 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2018-11-14 17:37:17,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:37:17,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:37:17,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:37:17,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:37:17,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:37:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:37:17,978 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2018-11-14 17:37:18,164 INFO L256 TraceCheckUtils]: 0: Hoare triple {31#true} call ULTIMATE.init(); {31#true} is VALID [2018-11-14 17:37:18,169 INFO L273 TraceCheckUtils]: 1: Hoare triple {31#true} ~__return_main~0 := 0;~__tmp_31_0~0 := 0;~__tmp_28_0~0 := 0;~__return_65~0 := 0;~__tmp_22_0~0 := 0;~__tmp_22_1~0 := 0;~__tmp_25_0~0 := 0;~__tmp_25_1~0 := 0; {31#true} is VALID [2018-11-14 17:37:18,170 INFO L273 TraceCheckUtils]: 2: Hoare triple {31#true} assume true; {31#true} is VALID [2018-11-14 17:37:18,171 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {31#true} {31#true} #70#return; {31#true} is VALID [2018-11-14 17:37:18,171 INFO L256 TraceCheckUtils]: 4: Hoare triple {31#true} call #t~ret4 := main(); {31#true} is VALID [2018-11-14 17:37:18,172 INFO L273 TraceCheckUtils]: 5: Hoare triple {31#true} havoc ~main__x~0;~main__y~0 := 1; {31#true} is VALID [2018-11-14 17:37:18,172 INFO L273 TraceCheckUtils]: 6: Hoare triple {31#true} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet0;havoc #t~nondet0; {31#true} is VALID [2018-11-14 17:37:18,172 INFO L273 TraceCheckUtils]: 7: Hoare triple {31#true} assume !(~main____CPAchecker_TMP_0~0 == 0); {31#true} is VALID [2018-11-14 17:37:20,222 INFO L273 TraceCheckUtils]: 8: Hoare triple {31#true} assume (if ~main__x~0 % 4294967296 < 0 && ~main__x~0 % 4294967296 % 3 != 0 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296 == 1;~main__x~0 := ~main__x~0 + 2;~main__y~0 := 0;~__tmp_31_0~0 := ~main____CPAchecker_TMP_0~0; {33#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3)) (* 4294967296 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296)) (* (- 3) (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))) 4294967296))))} is UNKNOWN [2018-11-14 17:37:20,224 INFO L273 TraceCheckUtils]: 9: Hoare triple {33#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3)) (* 4294967296 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296)) (* (- 3) (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))) 4294967296))))} ~main____CPAchecker_TMP_0~0 := ~__tmp_31_0~0; {33#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3)) (* 4294967296 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296)) (* (- 3) (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))) 4294967296))))} is VALID [2018-11-14 17:37:20,225 INFO L273 TraceCheckUtils]: 10: Hoare triple {33#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3)) (* 4294967296 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296)) (* (- 3) (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))) 4294967296))))} havoc ~main____CPAchecker_TMP_0~1;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main____CPAchecker_TMP_0~1 := #t~nondet1;havoc #t~nondet1; {33#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3)) (* 4294967296 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296)) (* (- 3) (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))) 4294967296))))} is VALID [2018-11-14 17:37:20,225 INFO L273 TraceCheckUtils]: 11: Hoare triple {33#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3)) (* 4294967296 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296)) (* (- 3) (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))) 4294967296))))} assume !!(~main____CPAchecker_TMP_0~1 == 0); {33#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3)) (* 4294967296 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296)) (* (- 3) (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))) 4294967296))))} is VALID [2018-11-14 17:37:20,232 INFO L273 TraceCheckUtils]: 12: Hoare triple {33#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3)) (* 4294967296 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296)) (* (- 3) (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))) 4294967296))))} assume ~main__y~0 % 4294967296 == 0;havoc ~__tmp_1~0;~__tmp_1~0 := (if (if ~main__x~0 % 4294967296 < 0 && ~main__x~0 % 4294967296 % 3 != 0 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296 == 0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {34#(= main_~__VERIFIER_assert__cond~0 1)} is VALID [2018-11-14 17:37:20,233 INFO L273 TraceCheckUtils]: 13: Hoare triple {34#(= main_~__VERIFIER_assert__cond~0 1)} assume ~__VERIFIER_assert__cond~0 == 0; {32#false} is VALID [2018-11-14 17:37:20,234 INFO L273 TraceCheckUtils]: 14: Hoare triple {32#false} assume !false; {32#false} is VALID [2018-11-14 17:37:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:37:20,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:37:20,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-14 17:37:20,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-14 17:37:20,247 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:37:20,251 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-14 17:37:22,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 14 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2018-11-14 17:37:22,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-14 17:37:22,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-14 17:37:22,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-14 17:37:22,336 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-11-14 17:37:25,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:37:25,141 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2018-11-14 17:37:25,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-14 17:37:25,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-14 17:37:25,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:37:25,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 17:37:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 70 transitions. [2018-11-14 17:37:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 17:37:25,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 70 transitions. [2018-11-14 17:37:25,166 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 70 transitions. [2018-11-14 17:37:25,652 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:37:25,660 INFO L225 Difference]: With dead ends: 52 [2018-11-14 17:37:25,661 INFO L226 Difference]: Without dead ends: 0 [2018-11-14 17:37:25,664 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-14 17:37:25,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-14 17:37:25,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-14 17:37:25,686 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:37:25,687 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-14 17:37:25,687 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 17:37:25,688 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 17:37:25,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:37:25,688 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 17:37:25,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:37:25,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:37:25,689 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:37:25,689 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 17:37:25,689 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 17:37:25,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:37:25,689 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 17:37:25,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:37:25,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:37:25,690 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:37:25,690 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:37:25,691 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:37:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-14 17:37:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-14 17:37:25,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-14 17:37:25,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:37:25,693 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-14 17:37:25,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-14 17:37:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:37:25,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:37:25,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-14 17:37:25,789 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-14 17:37:25,790 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-14 17:37:25,790 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-14 17:37:25,790 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-14 17:37:25,790 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-14 17:37:25,790 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-14 17:37:25,790 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-14 17:37:25,790 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2018-11-14 17:37:25,791 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2018-11-14 17:37:25,791 INFO L421 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* (- 4294967296) .cse0))) (let ((.cse1 (div (+ main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ main_~main__x~0 .cse2 (* (- 3) .cse1)) 4294967296))))))) [2018-11-14 17:37:25,791 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2018-11-14 17:37:25,792 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2018-11-14 17:37:25,792 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2018-11-14 17:37:25,792 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2018-11-14 17:37:25,792 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2018-11-14 17:37:25,792 INFO L428 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2018-11-14 17:37:25,792 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2018-11-14 17:37:25,793 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-14 17:37:25,793 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-11-14 17:37:25,793 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2018-11-14 17:37:25,793 INFO L421 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* (- 4294967296) .cse0))) (let ((.cse1 (div (+ main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ main_~main__x~0 .cse2 (* (- 3) .cse1)) 4294967296))))))) [2018-11-14 17:37:25,794 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2018-11-14 17:37:25,794 INFO L428 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2018-11-14 17:37:25,794 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2018-11-14 17:37:25,794 INFO L421 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* (- 4294967296) .cse0))) (let ((.cse1 (div (+ main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ main_~main__x~0 .cse2 (* (- 3) .cse1)) 4294967296))))))) [2018-11-14 17:37:25,795 INFO L428 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2018-11-14 17:37:25,795 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2018-11-14 17:37:25,795 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2018-11-14 17:37:25,797 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 17:37:25,797 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 17:37:25,797 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:37:25,798 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-14 17:37:25,798 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 17:37:25,798 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:37:25,798 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-14 17:37:25,798 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-14 17:37:25,799 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2018-11-14 17:37:25,799 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2018-11-14 17:37:25,799 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 17:37:25,811 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2018-11-14 17:37:25,811 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2018-11-14 17:37:25,811 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 17:37:25,811 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2018-11-14 17:37:25,817 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2018-11-14 17:37:25,817 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2018-11-14 17:37:25,817 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2018-11-14 17:37:25,817 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2018-11-14 17:37:25,817 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2018-11-14 17:37:25,817 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2018-11-14 17:37:25,818 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2018-11-14 17:37:25,818 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2018-11-14 17:37:25,818 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2018-11-14 17:37:25,818 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2018-11-14 17:37:25,818 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2018-11-14 17:37:25,819 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2018-11-14 17:37:25,819 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2018-11-14 17:37:25,819 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2018-11-14 17:37:25,819 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2018-11-14 17:37:25,819 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2018-11-14 17:37:25,819 INFO L163 areAnnotationChecker]: CFG has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 17:37:25,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:37:25 BoogieIcfgContainer [2018-11-14 17:37:25,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 17:37:25,833 INFO L168 Benchmark]: Toolchain (without parser) took 10073.35 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 787.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -703.7 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2018-11-14 17:37:25,834 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 17:37:25,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.53 ms. Allocated memory is still 1.6 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. [2018-11-14 17:37:25,836 INFO L168 Benchmark]: Boogie Preprocessor took 58.28 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 17:37:25,837 INFO L168 Benchmark]: RCFGBuilder took 937.52 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 787.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -822.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2018-11-14 17:37:25,838 INFO L168 Benchmark]: TraceAbstraction took 8692.10 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. [2018-11-14 17:37:25,842 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 0.14 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 380.53 ms. Allocated memory is still 1.6 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 Preprocessor took 58.28 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 937.52 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 787.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -822.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8692.10 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: 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 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + -4294967296 * (main__x / 4294967296)) / 3) + 4294967296 * ((main__x + -4294967296 * (main__x / 4294967296) + -3 * ((main__x + -4294967296 * (main__x / 4294967296)) / 3)) / 4294967296) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + -4294967296 * (main__x / 4294967296)) / 3) + 4294967296 * ((main__x + -4294967296 * (main__x / 4294967296) + -3 * ((main__x + -4294967296 * (main__x / 4294967296)) / 3)) / 4294967296) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + -4294967296 * (main__x / 4294967296)) / 3) + 4294967296 * ((main__x + -4294967296 * (main__x / 4294967296) + -3 * ((main__x + -4294967296 * (main__x / 4294967296)) / 3)) / 4294967296) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 10 SDslu, 44 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 130 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 2464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...