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_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 13:15:34,571 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:15:34,573 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:15:34,585 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:15:34,586 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:15:34,587 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:15:34,588 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:15:34,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:15:34,592 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:15:34,593 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:15:34,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:15:34,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:15:34,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:15:34,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:15:34,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:15:34,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:15:34,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:15:34,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:15:34,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:15:34,605 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:15:34,606 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:15:34,607 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:15:34,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:15:34,610 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:15:34,610 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:15:34,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:15:34,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:15:34,613 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:15:34,614 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:15:34,615 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:15:34,616 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:15:34,616 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:15:34,617 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:15:34,617 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:15:34,618 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:15:34,619 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:15:34,619 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 [2018-11-23 13:15:34,639 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:15:34,639 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:15:34,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:15:34,641 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:15:34,642 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:15:34,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:15:34,642 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:15:34,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:15:34,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:15:34,643 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:15:34,644 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:15:34,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:15:34,644 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:15:34,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:15:34,645 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:15:34,645 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:15:34,645 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:15:34,645 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:15:34,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:15:34,646 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:15:34,647 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:15:34,647 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:15:34,647 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:15:34,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:15:34,648 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:15:34,648 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:15:34,648 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:15:34,648 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:15:34,648 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:15:34,649 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:15:34,649 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:15:34,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:15:34,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:15:34,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:15:34,738 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:15:34,738 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:15:34,739 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-23 13:15:34,808 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6f428752/5caf665cd66a46ffac668da1db16e324/FLAGe683b611d [2018-11-23 13:15:35,303 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:15:35,304 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-23 13:15:35,315 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6f428752/5caf665cd66a46ffac668da1db16e324/FLAGe683b611d [2018-11-23 13:15:35,644 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6f428752/5caf665cd66a46ffac668da1db16e324 [2018-11-23 13:15:35,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:15:35,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:15:35,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:15:35,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:15:35,660 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:15:35,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:35" (1/1) ... [2018-11-23 13:15:35,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5651a667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35, skipping insertion in model container [2018-11-23 13:15:35,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:35" (1/1) ... [2018-11-23 13:15:35,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:15:35,707 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:15:35,929 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:15:35,934 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:15:35,988 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:15:36,004 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:15:36,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36 WrapperNode [2018-11-23 13:15:36,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:15:36,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:15:36,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:15:36,007 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:15:36,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (1/1) ... [2018-11-23 13:15:36,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (1/1) ... [2018-11-23 13:15:36,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:15:36,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:15:36,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:15:36,030 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:15:36,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (1/1) ... [2018-11-23 13:15:36,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (1/1) ... [2018-11-23 13:15:36,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (1/1) ... [2018-11-23 13:15:36,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (1/1) ... [2018-11-23 13:15:36,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (1/1) ... [2018-11-23 13:15:36,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (1/1) ... [2018-11-23 13:15:36,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (1/1) ... [2018-11-23 13:15:36,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:15:36,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:15:36,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:15:36,063 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:15:36,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (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 13:15:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:15:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:15:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:15:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:15:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:15:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:15:36,889 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:15:36,889 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 13:15:36,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:36 BoogieIcfgContainer [2018-11-23 13:15:36,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:15:36,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:15:36,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:15:36,896 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:15:36,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:15:35" (1/3) ... [2018-11-23 13:15:36,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0a4e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:15:36, skipping insertion in model container [2018-11-23 13:15:36,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:36" (2/3) ... [2018-11-23 13:15:36,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0a4e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:15:36, skipping insertion in model container [2018-11-23 13:15:36,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:36" (3/3) ... [2018-11-23 13:15:36,902 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-23 13:15:36,912 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:15:36,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:15:36,939 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:15:36,972 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:15:36,972 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:15:36,973 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:15:36,973 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:15:36,973 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:15:36,973 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:15:36,973 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:15:36,974 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:15:36,974 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:15:36,993 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-23 13:15:36,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:15:36,999 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:15:37,000 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:15:37,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:15:37,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:15:37,008 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2018-11-23 13:15:37,010 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:15:37,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:15:37,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:37,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:15:37,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:15:37,907 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2018-11-23 13:15:38,153 INFO L256 TraceCheckUtils]: 0: Hoare triple {31#true} call ULTIMATE.init(); {31#true} is VALID [2018-11-23 13:15:38,158 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 [2018-11-23 13:15:38,159 INFO L273 TraceCheckUtils]: 2: Hoare triple {31#true} assume true; {31#true} is VALID [2018-11-23 13:15:38,159 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {31#true} {31#true} #70#return; {31#true} is VALID [2018-11-23 13:15:38,159 INFO L256 TraceCheckUtils]: 4: Hoare triple {31#true} call #t~ret4 := main(); {31#true} is VALID [2018-11-23 13:15:38,160 INFO L273 TraceCheckUtils]: 5: Hoare triple {31#true} havoc ~main__x~0;~main__y~0 := 1; {31#true} is VALID [2018-11-23 13:15:38,160 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 [2018-11-23 13:15:38,161 INFO L273 TraceCheckUtils]: 7: Hoare triple {31#true} assume !(0 == ~main____CPAchecker_TMP_0~0); {31#true} is VALID [2018-11-23 13:15:40,198 INFO L273 TraceCheckUtils]: 8: Hoare triple {31#true} assume 1 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296;~main__x~0 := 2 + ~main__x~0;~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 [2018-11-23 13:15:40,199 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 [2018-11-23 13:15:40,202 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 [2018-11-23 13:15:40,203 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 !!(0 == ~main____CPAchecker_TMP_0~1); {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 [2018-11-23 13:15:40,206 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 0 == ~main__y~0 % 4294967296;havoc ~__tmp_1~0;~__tmp_1~0 := (if 0 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296 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 [2018-11-23 13:15:40,207 INFO L273 TraceCheckUtils]: 13: Hoare triple {34#(= main_~__VERIFIER_assert__cond~0 1)} assume 0 == ~__VERIFIER_assert__cond~0; {32#false} is VALID [2018-11-23 13:15:40,207 INFO L273 TraceCheckUtils]: 14: Hoare triple {32#false} assume !false; {32#false} is VALID [2018-11-23 13:15:40,212 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 13:15:40,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:15:40,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:15:40,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-23 13:15:40,223 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:15:40,227 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 13:15:40,776 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:15:40,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:15:40,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:15:40,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:15:40,791 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-11-23 13:15:41,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:41,940 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2018-11-23 13:15:41,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:15:41,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-23 13:15:41,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:15:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 13:15:41,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 70 transitions. [2018-11-23 13:15:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 13:15:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 70 transitions. [2018-11-23 13:15:41,963 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 70 transitions. [2018-11-23 13:15:42,505 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:15:42,513 INFO L225 Difference]: With dead ends: 52 [2018-11-23 13:15:42,513 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:15:42,517 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:15:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:15:42,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:15:42,538 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:15:42,539 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:42,539 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:42,539 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:42,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:42,540 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:15:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:15:42,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:15:42,541 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:15:42,541 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:42,541 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:42,542 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:15:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:15:42,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:15:42,542 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:15:42,542 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:15:42,542 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:15:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:15:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:15:42,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-23 13:15:42,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:15:42,545 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:15:42,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:15:42,545 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:15:42,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:15:42,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:15:42,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:15:42,669 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:15:42,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:15:42,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:15:42,670 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:15:42,670 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:15:42,670 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:15:42,670 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2018-11-23 13:15:42,671 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2018-11-23 13:15:42,671 INFO L444 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))))))) [2018-11-23 13:15:42,671 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2018-11-23 13:15:42,672 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2018-11-23 13:15:42,672 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2018-11-23 13:15:42,672 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2018-11-23 13:15:42,672 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2018-11-23 13:15:42,672 INFO L451 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2018-11-23 13:15:42,673 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-11-23 13:15:42,673 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2018-11-23 13:15:42,673 INFO L448 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-23 13:15:42,673 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2018-11-23 13:15:42,673 INFO L444 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))))))) [2018-11-23 13:15:42,674 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2018-11-23 13:15:42,674 INFO L451 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2018-11-23 13:15:42,674 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2018-11-23 13:15:42,674 INFO L444 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))))))) [2018-11-23 13:15:42,674 INFO L451 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2018-11-23 13:15:42,675 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2018-11-23 13:15:42,675 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2018-11-23 13:15:42,677 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 13:15:42,677 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 13:15:42,677 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:15:42,678 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-23 13:15:42,678 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:15:42,678 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:15:42,678 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-23 13:15:42,678 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-23 13:15:42,678 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2018-11-23 13:15:42,678 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2018-11-23 13:15:42,678 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 13:15:42,679 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2018-11-23 13:15:42,679 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2018-11-23 13:15:42,679 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 13:15:42,679 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2018-11-23 13:15:42,681 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2018-11-23 13:15:42,681 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2018-11-23 13:15:42,681 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2018-11-23 13:15:42,681 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2018-11-23 13:15:42,681 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2018-11-23 13:15:42,681 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2018-11-23 13:15:42,681 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2018-11-23 13:15:42,682 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2018-11-23 13:15:42,682 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2018-11-23 13:15:42,682 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2018-11-23 13:15:42,682 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2018-11-23 13:15:42,682 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2018-11-23 13:15:42,682 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2018-11-23 13:15:42,682 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2018-11-23 13:15:42,682 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2018-11-23 13:15:42,682 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2018-11-23 13:15:42,683 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. [2018-11-23 13:15:42,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:15:42 BoogieIcfgContainer [2018-11-23 13:15:42,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:15:42,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:15:42,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:15:42,696 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:15:42,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:36" (3/4) ... [2018-11-23 13:15:42,701 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:15:42,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:15:42,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:15:42,716 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 13:15:42,716 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:15:42,783 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c-witness.graphml [2018-11-23 13:15:42,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:15:42,785 INFO L168 Benchmark]: Toolchain (without parser) took 7130.53 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 700.4 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -639.2 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2018-11-23 13:15:42,786 INFO L168 Benchmark]: CDTParser took 0.21 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 13:15:42,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.46 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 13:15:42,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.93 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 13:15:42,788 INFO L168 Benchmark]: Boogie Preprocessor took 32.53 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 13:15:42,788 INFO L168 Benchmark]: RCFGBuilder took 827.91 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 700.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -744.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-23 13:15:42,789 INFO L168 Benchmark]: TraceAbstraction took 5804.30 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. [2018-11-23 13:15:42,790 INFO L168 Benchmark]: Witness Printer took 87.52 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 13:15:42,793 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 0.21 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. * CACSL2BoogieTranslator took 349.46 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 22.93 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 32.53 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 827.91 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 700.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -744.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5804.30 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. * Witness Printer took 87.52 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: 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, 5.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 10 SDslu, 44 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s 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, 0.1s SatisfiabilityAnalysisTime, 3.0s 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...