./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b183a84398514a30f054101bd4fa282044f4519d ..................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:07:40,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:07:40,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:07:40,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:07:40,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:07:40,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:07:40,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:07:40,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:07:40,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:07:40,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:07:40,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:07:40,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:07:40,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:07:40,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:07:40,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:07:40,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:07:40,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:07:40,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:07:40,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:07:40,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:07:40,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:07:40,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:07:40,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:07:40,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:07:40,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:07:40,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:07:40,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:07:40,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:07:40,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:07:40,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:07:40,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:07:40,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:07:40,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:07:40,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:07:40,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:07:40,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:07:40,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:07:40,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:07:40,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:07:40,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:07:40,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:07:40,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:07:40,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:07:40,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:07:40,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:07:40,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:07:40,889 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:07:40,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:07:40,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:07:40,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:07:40,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:07:40,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:07:40,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:07:40,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:07:40,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:07:40,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:07:40,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:07:40,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:07:40,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:07:40,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:07:40,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:07:40,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:07:40,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:07:40,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:07:40,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:07:40,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:07:40,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:07:40,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:07:40,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:07:40,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:07:40,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:07:40,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b183a84398514a30f054101bd4fa282044f4519d [2019-11-28 17:07:41,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:07:41,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:07:41,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:07:41,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:07:41,230 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:07:41,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-11-28 17:07:41,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a91101ef9/4124fa6e41e645aea94b488b21d2070b/FLAGc63528ad0 [2019-11-28 17:07:41,777 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:07:41,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-11-28 17:07:41,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a91101ef9/4124fa6e41e645aea94b488b21d2070b/FLAGc63528ad0 [2019-11-28 17:07:42,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a91101ef9/4124fa6e41e645aea94b488b21d2070b [2019-11-28 17:07:42,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:07:42,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:07:42,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:07:42,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:07:42,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:07:42,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42, skipping insertion in model container [2019-11-28 17:07:42,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:07:42,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:07:42,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:07:42,538 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:07:42,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:07:42,680 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:07:42,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42 WrapperNode [2019-11-28 17:07:42,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:07:42,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:07:42,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:07:42,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:07:42,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:07:42,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:07:42,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:07:42,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:07:42,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (1/1) ... [2019-11-28 17:07:42,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:07:42,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:07:42,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:07:42,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:07:42,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (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 [2019-11-28 17:07:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:07:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:07:43,206 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:07:43,206 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 17:07:43,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:43 BoogieIcfgContainer [2019-11-28 17:07:43,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:07:43,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:07:43,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:07:43,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:07:43,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:07:42" (1/3) ... [2019-11-28 17:07:43,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2565f7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:07:43, skipping insertion in model container [2019-11-28 17:07:43,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:42" (2/3) ... [2019-11-28 17:07:43,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2565f7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:07:43, skipping insertion in model container [2019-11-28 17:07:43,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:43" (3/3) ... [2019-11-28 17:07:43,218 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2019-11-28 17:07:43,229 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:07:43,238 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 17:07:43,251 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 17:07:43,284 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:07:43,284 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:07:43,285 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:07:43,286 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:07:43,289 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:07:43,289 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:07:43,290 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:07:43,290 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:07:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-28 17:07:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 17:07:43,329 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:07:43,330 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:07:43,331 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:07:43,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:07:43,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1053789450, now seen corresponding path program 1 times [2019-11-28 17:07:43,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:07:43,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835288277] [2019-11-28 17:07:43,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:07:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:07:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:07:43,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835288277] [2019-11-28 17:07:43,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:07:43,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:07:43,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751974210] [2019-11-28 17:07:43,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:07:43,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:07:43,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:07:43,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:07:43,828 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-28 17:07:44,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:07:44,016 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions. [2019-11-28 17:07:44,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:07:44,019 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 17:07:44,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:07:44,026 INFO L225 Difference]: With dead ends: 48 [2019-11-28 17:07:44,027 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:07:44,031 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:07:44,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:07:44,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:07:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:07:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:07:44,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 17:07:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:07:44,061 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:07:44,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:07:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:07:44,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:07:44,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:07:44,092 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-28 17:07:44,092 INFO L246 CegarLoopResult]: For program point L126(lines 126 141) no Hoare annotation was computed. [2019-11-28 17:07:44,092 INFO L246 CegarLoopResult]: For program point L60(lines 60 82) no Hoare annotation was computed. [2019-11-28 17:07:44,093 INFO L246 CegarLoopResult]: For program point L23(lines 23 143) no Hoare annotation was computed. [2019-11-28 17:07:44,093 INFO L249 CegarLoopResult]: At program point L147(lines 14 149) the Hoare annotation is: true [2019-11-28 17:07:44,093 INFO L249 CegarLoopResult]: At program point L81(lines 15 149) the Hoare annotation is: true [2019-11-28 17:07:44,093 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:07:44,093 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:07:44,094 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:07:44,094 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-11-28 17:07:44,094 INFO L246 CegarLoopResult]: For program point L115(lines 115 142) no Hoare annotation was computed. [2019-11-28 17:07:44,094 INFO L249 CegarLoopResult]: At program point L140(lines 23 143) the Hoare annotation is: true [2019-11-28 17:07:44,094 INFO L246 CegarLoopResult]: For program point L37(lines 37 84) no Hoare annotation was computed. [2019-11-28 17:07:44,095 INFO L249 CegarLoopResult]: At program point L132(lines 23 143) the Hoare annotation is: true [2019-11-28 17:07:44,095 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:07:44,095 INFO L246 CegarLoopResult]: For program point L95(lines 95 104) no Hoare annotation was computed. [2019-11-28 17:07:44,095 INFO L242 CegarLoopResult]: At program point L120(lines 23 143) the Hoare annotation is: (<= (* 2863311531 ULTIMATE.start_main_~main__x~0) (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (+ (* 8589934592 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse0 (- 4294967296))) 3)) (* 12297829383904690176 .cse0) 1431655765))) [2019-11-28 17:07:44,096 INFO L242 CegarLoopResult]: At program point L54(lines 24 112) the Hoare annotation is: (<= (* 2863311531 ULTIMATE.start_main_~main__x~0) (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (+ (* 8589934592 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse0 (- 4294967296))) 3)) (* 12297829383904690176 .cse0) 1431655765))) [2019-11-28 17:07:44,096 INFO L246 CegarLoopResult]: For program point L21(lines 21 148) no Hoare annotation was computed. [2019-11-28 17:07:44,096 INFO L246 CegarLoopResult]: For program point L46(lines 46 83) no Hoare annotation was computed. [2019-11-28 17:07:44,096 INFO L242 CegarLoopResult]: At program point L42(lines 24 112) the Hoare annotation is: (<= (* 2863311531 ULTIMATE.start_main_~main__x~0) (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (+ (* 8589934592 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse0 (- 4294967296))) 3)) (* 12297829383904690176 .cse0) 1431655765))) [2019-11-28 17:07:44,097 INFO L246 CegarLoopResult]: For program point L88(lines 88 110) no Hoare annotation was computed. [2019-11-28 17:07:44,097 INFO L246 CegarLoopResult]: For program point L35(lines 35 111) no Hoare annotation was computed. [2019-11-28 17:07:44,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:07:44 BoogieIcfgContainer [2019-11-28 17:07:44,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:07:44,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:07:44,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:07:44,133 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:07:44,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:43" (3/4) ... [2019-11-28 17:07:44,138 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:07:44,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 17:07:44,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:07:44,240 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:07:44,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:07:44,243 INFO L168 Benchmark]: Toolchain (without parser) took 2060.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -89.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:07:44,244 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:07:44,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:07:44,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:07:44,245 INFO L168 Benchmark]: Boogie Preprocessor took 54.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:07:44,246 INFO L168 Benchmark]: RCFGBuilder took 403.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:07:44,247 INFO L168 Benchmark]: TraceAbstraction took 922.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:07:44,247 INFO L168 Benchmark]: Witness Printer took 108.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:07:44,250 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 500.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 403.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 922.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. * Witness Printer took 108.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 24]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 8589934592 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 12297829383904690176 * (main__x / 4294967296) + 1431655765 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 8589934592 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 12297829383904690176 * (main__x / 4294967296) + 1431655765 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 8589934592 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 12297829383904690176 * (main__x / 4294967296) + 1431655765 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 12 SDslu, 30 SDs, 0 SdLazy, 18 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 16 NumberOfFragments, 70 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...