./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/odd.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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-invariants/odd.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 22743d7befdbed7bca04117987d3fb7cfca6c20e ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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-invariants/odd.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 22743d7befdbed7bca04117987d3fb7cfca6c20e .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:25:21,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:25:21,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:25:21,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:25:21,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:25:21,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:25:21,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:25:21,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:25:21,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:25:21,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:25:21,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:25:21,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:25:21,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:25:21,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:25:21,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:25:21,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:25:21,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:25:21,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:25:21,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:25:21,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:25:21,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:25:21,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:25:21,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:25:21,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:25:21,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:25:21,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:25:21,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:25:21,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:25:21,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:25:21,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:25:21,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:25:21,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:25:21,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:25:21,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:25:21,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:25:21,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:25:21,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:25:21,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:25:21,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:25:21,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:25:21,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:25:21,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:25:21,897 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:25:21,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:25:21,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:25:21,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:25:21,899 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:25:21,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:25:21,900 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:25:21,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:25:21,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:25:21,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:25:21,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:25:21,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:25:21,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:25:21,902 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:25:21,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:25:21,902 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:25:21,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:25:21,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:25:21,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:25:21,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:25:21,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:25:21,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:25:21,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:25:21,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:25:21,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:25:21,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:25:21,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:25:21,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:25:21,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:25:21,906 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 -> 22743d7befdbed7bca04117987d3fb7cfca6c20e [2020-07-28 18:25:22,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:25:22,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:25:22,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:25:22,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:25:22,323 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:25:22,324 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/odd.c [2020-07-28 18:25:22,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9ba91dd/dda881a2a45a4511b1de1c75b7d4358f/FLAG6ea80a292 [2020-07-28 18:25:22,813 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:25:22,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/odd.c [2020-07-28 18:25:22,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9ba91dd/dda881a2a45a4511b1de1c75b7d4358f/FLAG6ea80a292 [2020-07-28 18:25:23,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9ba91dd/dda881a2a45a4511b1de1c75b7d4358f [2020-07-28 18:25:23,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:25:23,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:25:23,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:25:23,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:25:23,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:25:23,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b5a801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23, skipping insertion in model container [2020-07-28 18:25:23,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:25:23,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:25:23,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:25:23,444 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:25:23,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:25:23,474 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:25:23,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23 WrapperNode [2020-07-28 18:25:23,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:25:23,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:25:23,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:25:23,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:25:23,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:25:23,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:25:23,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:25:23,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:25:23,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... [2020-07-28 18:25:23,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:25:23,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:25:23,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:25:23,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:25:23,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:25:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:25:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:25:23,885 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:25:23,885 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-28 18:25:23,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:25:23 BoogieIcfgContainer [2020-07-28 18:25:23,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:25:23,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:25:23,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:25:23,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:25:23,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:25:23" (1/3) ... [2020-07-28 18:25:23,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd9c981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:25:23, skipping insertion in model container [2020-07-28 18:25:23,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:23" (2/3) ... [2020-07-28 18:25:23,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd9c981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:25:23, skipping insertion in model container [2020-07-28 18:25:23,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:25:23" (3/3) ... [2020-07-28 18:25:23,897 INFO L109 eAbstractionObserver]: Analyzing ICFG odd.c [2020-07-28 18:25:23,907 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:25:23,916 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 18:25:23,930 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 18:25:23,949 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:25:23,950 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:25:23,950 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:25:23,950 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:25:23,950 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:25:23,950 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:25:23,951 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:25:23,951 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:25:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-07-28 18:25:23,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-28 18:25:23,971 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:25:23,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-28 18:25:23,972 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:25:23,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:25:23,978 INFO L82 PathProgramCache]: Analyzing trace with hash 29954948, now seen corresponding path program 1 times [2020-07-28 18:25:23,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:25:23,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206402523] [2020-07-28 18:25:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:25:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:25:24,194 INFO L280 TraceCheckUtils]: 0: Hoare triple {14#true} havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := 1; {14#true} is VALID [2020-07-28 18:25:24,209 INFO L280 TraceCheckUtils]: 1: Hoare triple {14#true} assume !true; {15#false} is VALID [2020-07-28 18:25:24,210 INFO L280 TraceCheckUtils]: 2: Hoare triple {15#false} __VERIFIER_assert_#in~cond := (if (if main_~x~0 % 4294967296 < 0 && 0 != main_~x~0 % 4294967296 % 2 then main_~x~0 % 4294967296 % 2 - 2 else main_~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if main_~x~0 % 4294967296 < 0 && 0 != main_~x~0 % 4294967296 % 2 then main_~x~0 % 4294967296 % 2 - 2 else main_~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if main_~x~0 % 4294967296 < 0 && 0 != main_~x~0 % 4294967296 % 2 then main_~x~0 % 4294967296 % 2 - 2 else main_~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {15#false} is VALID [2020-07-28 18:25:24,211 INFO L280 TraceCheckUtils]: 3: Hoare triple {15#false} assume 0 == __VERIFIER_assert_~cond; {15#false} is VALID [2020-07-28 18:25:24,211 INFO L280 TraceCheckUtils]: 4: Hoare triple {15#false} assume !false; {15#false} is VALID [2020-07-28 18:25:24,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:25:24,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206402523] [2020-07-28 18:25:24,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:25:24,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:25:24,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260383585] [2020-07-28 18:25:24,222 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-07-28 18:25:24,223 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:25:24,227 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:25:24,242 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:25:24,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:25:24,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:25:24,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:25:24,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:25:24,255 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2020-07-28 18:25:24,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:25:24,299 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2020-07-28 18:25:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:25:24,300 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-07-28 18:25:24,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:25:24,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:25:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 21 transitions. [2020-07-28 18:25:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:25:24,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 21 transitions. [2020-07-28 18:25:24,311 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 21 transitions. [2020-07-28 18:25:24,358 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:25:24,369 INFO L225 Difference]: With dead ends: 19 [2020-07-28 18:25:24,370 INFO L226 Difference]: Without dead ends: 7 [2020-07-28 18:25:24,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:25:24,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-07-28 18:25:24,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-07-28 18:25:24,401 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:25:24,402 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand 7 states. [2020-07-28 18:25:24,402 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2020-07-28 18:25:24,402 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2020-07-28 18:25:24,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:25:24,405 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2020-07-28 18:25:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-07-28 18:25:24,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:25:24,406 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:25:24,406 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2020-07-28 18:25:24,406 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2020-07-28 18:25:24,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:25:24,407 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2020-07-28 18:25:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-07-28 18:25:24,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:25:24,408 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:25:24,408 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:25:24,409 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:25:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 18:25:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-07-28 18:25:24,412 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2020-07-28 18:25:24,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:25:24,412 INFO L479 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-07-28 18:25:24,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:25:24,413 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-07-28 18:25:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-28 18:25:24,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:25:24,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-28 18:25:24,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:25:24,414 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:25:24,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:25:24,415 INFO L82 PathProgramCache]: Analyzing trace with hash 921957070, now seen corresponding path program 1 times [2020-07-28 18:25:24,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:25:24,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199506979] [2020-07-28 18:25:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:25:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:25:24,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:25:24,487 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 18:25:24,495 INFO L168 Benchmark]: Toolchain (without parser) took 1259.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:24,496 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:25:24,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.60 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:24,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:24,499 INFO L168 Benchmark]: Boogie Preprocessor took 23.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:24,500 INFO L168 Benchmark]: RCFGBuilder took 299.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:24,501 INFO L168 Benchmark]: TraceAbstraction took 601.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:24,505 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 232.60 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 299.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 601.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:25:26,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:25:26,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:25:26,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:25:26,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:25:26,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:25:26,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:25:26,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:25:26,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:25:26,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:25:26,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:25:26,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:25:26,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:25:26,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:25:26,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:25:26,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:25:26,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:25:26,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:25:26,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:25:26,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:25:26,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:25:26,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:25:26,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:25:26,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:25:26,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:25:26,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:25:26,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:25:26,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:25:26,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:25:26,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:25:26,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:25:26,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:25:26,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:25:26,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:25:26,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:25:26,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:25:26,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:25:26,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:25:26,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:25:26,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:25:26,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:25:26,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 18:25:26,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:25:26,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:25:26,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:25:26,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:25:26,622 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:25:26,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:25:26,623 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:25:26,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:25:26,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:25:26,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:25:26,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:25:26,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:25:26,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 18:25:26,626 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 18:25:26,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:25:26,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:25:26,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:25:26,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:25:26,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:25:26,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:25:26,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:25:26,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:25:26,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:25:26,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:25:26,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:25:26,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:25:26,629 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 18:25:26,629 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 18:25:26,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:25:26,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:25:26,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 18:25:26,630 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 22743d7befdbed7bca04117987d3fb7cfca6c20e [2020-07-28 18:25:26,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:25:26,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:25:26,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:25:26,950 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:25:26,950 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:25:26,951 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/odd.c [2020-07-28 18:25:27,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f74a27e5/a21650f75df74a7193446b97ba23b534/FLAG7dfef1271 [2020-07-28 18:25:27,485 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:25:27,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/odd.c [2020-07-28 18:25:27,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f74a27e5/a21650f75df74a7193446b97ba23b534/FLAG7dfef1271 [2020-07-28 18:25:27,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f74a27e5/a21650f75df74a7193446b97ba23b534 [2020-07-28 18:25:27,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:25:27,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:25:27,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:25:27,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:25:27,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:25:27,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:25:27" (1/1) ... [2020-07-28 18:25:27,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82c6bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:27, skipping insertion in model container [2020-07-28 18:25:27,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:25:27" (1/1) ... [2020-07-28 18:25:27,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:25:27,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:25:28,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:25:28,146 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:25:28,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:25:28,178 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:25:28,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28 WrapperNode [2020-07-28 18:25:28,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:25:28,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:25:28,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:25:28,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:25:28,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... [2020-07-28 18:25:28,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... [2020-07-28 18:25:28,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:25:28,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:25:28,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:25:28,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:25:28,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... [2020-07-28 18:25:28,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... [2020-07-28 18:25:28,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... [2020-07-28 18:25:28,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... [2020-07-28 18:25:28,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... [2020-07-28 18:25:28,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... [2020-07-28 18:25:28,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... [2020-07-28 18:25:28,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:25:28,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:25:28,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:25:28,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:25:28,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:25:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:25:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:25:28,550 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:25:28,550 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-28 18:25:28,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:25:28 BoogieIcfgContainer [2020-07-28 18:25:28,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:25:28,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:25:28,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:25:28,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:25:28,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:25:27" (1/3) ... [2020-07-28 18:25:28,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e39b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:25:28, skipping insertion in model container [2020-07-28 18:25:28,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:25:28" (2/3) ... [2020-07-28 18:25:28,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e39b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:25:28, skipping insertion in model container [2020-07-28 18:25:28,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:25:28" (3/3) ... [2020-07-28 18:25:28,564 INFO L109 eAbstractionObserver]: Analyzing ICFG odd.c [2020-07-28 18:25:28,574 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:25:28,580 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 18:25:28,594 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 18:25:28,620 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:25:28,621 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:25:28,621 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:25:28,621 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:25:28,621 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:25:28,621 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:25:28,621 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:25:28,622 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:25:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-07-28 18:25:28,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-28 18:25:28,646 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:25:28,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-28 18:25:28,648 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:25:28,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:25:28,654 INFO L82 PathProgramCache]: Analyzing trace with hash 29805000, now seen corresponding path program 1 times [2020-07-28 18:25:28,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 18:25:28,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284976193] [2020-07-28 18:25:28,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 18:25:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:25:28,709 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-28 18:25:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:25:28,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:25:28,883 INFO L280 TraceCheckUtils]: 0: Hoare triple {13#true} havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := 1bv32; {18#(= (_ bv1 32) ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 18:25:28,884 INFO L280 TraceCheckUtils]: 1: Hoare triple {18#(= (_ bv1 32) ULTIMATE.start_main_~x~0)} assume !(0bv32 != main_#t~nondet0);havoc main_#t~nondet0; {18#(= (_ bv1 32) ULTIMATE.start_main_~x~0)} is VALID [2020-07-28 18:25:28,886 INFO L280 TraceCheckUtils]: 2: Hoare triple {18#(= (_ bv1 32) ULTIMATE.start_main_~x~0)} __VERIFIER_assert_#in~cond := ~bvurem32(main_~x~0, 2bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {25#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 18:25:28,888 INFO L280 TraceCheckUtils]: 3: Hoare triple {25#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == __VERIFIER_assert_~cond; {14#false} is VALID [2020-07-28 18:25:28,889 INFO L280 TraceCheckUtils]: 4: Hoare triple {14#false} assume !false; {14#false} is VALID [2020-07-28 18:25:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:25:28,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 18:25:28,950 INFO L280 TraceCheckUtils]: 4: Hoare triple {14#false} assume !false; {14#false} is VALID [2020-07-28 18:25:28,951 INFO L280 TraceCheckUtils]: 3: Hoare triple {35#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} assume 0bv32 == __VERIFIER_assert_~cond; {14#false} is VALID [2020-07-28 18:25:28,953 INFO L280 TraceCheckUtils]: 2: Hoare triple {39#(not (= (bvurem ULTIMATE.start_main_~x~0 (_ bv2 32)) (_ bv0 32)))} __VERIFIER_assert_#in~cond := ~bvurem32(main_~x~0, 2bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {35#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} is VALID [2020-07-28 18:25:28,954 INFO L280 TraceCheckUtils]: 1: Hoare triple {39#(not (= (bvurem ULTIMATE.start_main_~x~0 (_ bv2 32)) (_ bv0 32)))} assume !(0bv32 != main_#t~nondet0);havoc main_#t~nondet0; {39#(not (= (bvurem ULTIMATE.start_main_~x~0 (_ bv2 32)) (_ bv0 32)))} is VALID [2020-07-28 18:25:28,955 INFO L280 TraceCheckUtils]: 0: Hoare triple {13#true} havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := 1bv32; {39#(not (= (bvurem ULTIMATE.start_main_~x~0 (_ bv2 32)) (_ bv0 32)))} is VALID [2020-07-28 18:25:28,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:25:28,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284976193] [2020-07-28 18:25:28,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:25:28,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-07-28 18:25:28,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583696153] [2020-07-28 18:25:28,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-07-28 18:25:28,967 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:25:28,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:25:28,990 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:25:28,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:25:28,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 18:25:29,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:25:29,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:25:29,003 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2020-07-28 18:25:29,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:25:29,198 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-07-28 18:25:29,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:25:29,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-07-28 18:25:29,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:25:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:25:29,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2020-07-28 18:25:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:25:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2020-07-28 18:25:29,221 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 27 transitions. [2020-07-28 18:25:29,273 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:25:29,281 INFO L225 Difference]: With dead ends: 23 [2020-07-28 18:25:29,281 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:25:29,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:25:29,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:25:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:25:29,310 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:25:29,310 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:25:29,311 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:25:29,311 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:25:29,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:25:29,312 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:25:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:25:29,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:25:29,313 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:25:29,313 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:25:29,313 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:25:29,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:25:29,313 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:25:29,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:25:29,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:25:29,314 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:25:29,314 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:25:29,314 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:25:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:25:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:25:29,316 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-07-28 18:25:29,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:25:29,317 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:25:29,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:25:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:25:29,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:25:29,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 18:25:29,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:25:29,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:25:29,656 INFO L264 CegarLoopResult]: At program point L15(lines 9 16) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (not (= (bvurem ULTIMATE.start_main_~x~0 (_ bv2 32)) (_ bv0 32)))) [2020-07-28 18:25:29,656 INFO L264 CegarLoopResult]: At program point L11-2(lines 11 13) the Hoare annotation is: (not (= (bvurem ULTIMATE.start_main_~x~0 (_ bv2 32)) (_ bv0 32))) [2020-07-28 18:25:29,657 INFO L268 CegarLoopResult]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2020-07-28 18:25:29,657 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-28 18:25:29,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:25:29,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:25:29,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-07-28 18:25:29,657 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-07-28 18:25:29,658 INFO L264 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (not (= (bvurem ULTIMATE.start_main_~x~0 (_ bv2 32)) (_ bv0 32)))) [2020-07-28 18:25:29,662 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:25:29,663 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-28 18:25:29,663 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-28 18:25:29,665 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-28 18:25:29,665 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 18:25:29,666 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 18:25:29,666 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-28 18:25:29,666 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-28 18:25:29,667 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:25:29,667 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:25:29,668 INFO L163 areAnnotationChecker]: CFG has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:25:29,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:25:29 BoogieIcfgContainer [2020-07-28 18:25:29,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:25:29,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:25:29,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:25:29,680 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:25:29,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:25:28" (3/4) ... [2020-07-28 18:25:29,689 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:25:29,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-07-28 18:25:29,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:25:29,748 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:25:29,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:25:29,752 INFO L168 Benchmark]: Toolchain (without parser) took 1856.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 957.6 MB in the beginning and 1.0 GB in the end (delta: -76.4 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:29,753 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:25:29,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.94 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 945.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:29,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:29,755 INFO L168 Benchmark]: Boogie Preprocessor took 20.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:29,756 INFO L168 Benchmark]: RCFGBuilder took 256.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:29,757 INFO L168 Benchmark]: TraceAbstraction took 1122.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:25:29,757 INFO L168 Benchmark]: Witness Printer took 69.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:25:29,761 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.94 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 945.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 256.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1122.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. * Witness Printer took 69.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 9]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && !(~bvurem32(x, 2bv32) == 0bv32) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && !(~bvurem32(x, 2bv32) == 0bv32) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: !(~bvurem32(x, 2bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 26 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 30 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...