./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-crafted/simple_array_index_value_4.i.v+nlh-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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8242c02a65c511b095f42030318aeef939254d04 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:21:16,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:21:16,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:21:16,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:21:16,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:21:16,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:21:16,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:21:16,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:21:16,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:21:16,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:21:16,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:21:16,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:21:16,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:21:16,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:21:16,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:21:16,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:21:16,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:21:16,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:21:16,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:21:16,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:21:16,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:21:16,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:21:16,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:21:16,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:21:16,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:21:16,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:21:16,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:21:16,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:21:16,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:21:16,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:21:16,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:21:16,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:21:16,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:21:16,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:21:16,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:21:16,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:21:16,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:21:16,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:21:16,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:21:16,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:21:16,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:21:16,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:21:16,864 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:21:16,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:21:16,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:21:16,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:21:16,868 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:21:16,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:21:16,868 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:21:16,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:21:16,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:21:16,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:21:16,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:21:16,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:21:16,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:21:16,871 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:21:16,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:21:16,872 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:21:16,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:21:16,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:21:16,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:21:16,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:21:16,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:21:16,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:21:16,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:21:16,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:21:16,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:21:16,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:21:16,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:21:16,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:21:16,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:21:16,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8242c02a65c511b095f42030318aeef939254d04 [2020-10-25 22:21:17,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:21:17,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:21:17,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:21:17,390 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:21:17,391 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:21:17,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-10-25 22:21:17,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091f71ed4/d73fac6bd753481d990d6a9e7df5c8d7/FLAG7015b06dd [2020-10-25 22:21:18,096 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:21:18,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-10-25 22:21:18,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091f71ed4/d73fac6bd753481d990d6a9e7df5c8d7/FLAG7015b06dd [2020-10-25 22:21:18,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091f71ed4/d73fac6bd753481d990d6a9e7df5c8d7 [2020-10-25 22:21:18,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:21:18,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:21:18,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:21:18,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:21:18,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:21:18,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2bc700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18, skipping insertion in model container [2020-10-25 22:21:18,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:21:18,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:21:18,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:21:18,711 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:21:18,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:21:18,771 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:21:18,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18 WrapperNode [2020-10-25 22:21:18,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:21:18,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:21:18,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:21:18,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:21:18,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:21:18,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:21:18,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:21:18,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:21:18,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (1/1) ... [2020-10-25 22:21:18,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:21:18,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:21:18,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:21:18,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:21:18,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (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 [2020-10-25 22:21:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:21:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:21:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:21:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:21:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 22:21:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 22:21:19,341 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:21:19,344 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-25 22:21:19,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:21:19 BoogieIcfgContainer [2020-10-25 22:21:19,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:21:19,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:21:19,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:21:19,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:21:19,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:21:18" (1/3) ... [2020-10-25 22:21:19,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5e92a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:21:19, skipping insertion in model container [2020-10-25 22:21:19,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:18" (2/3) ... [2020-10-25 22:21:19,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5e92a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:21:19, skipping insertion in model container [2020-10-25 22:21:19,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:21:19" (3/3) ... [2020-10-25 22:21:19,364 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-10-25 22:21:19,381 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:21:19,386 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 22:21:19,401 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 22:21:19,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:21:19,443 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:21:19,443 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:21:19,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:21:19,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:21:19,444 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:21:19,444 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:21:19,444 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:21:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-10-25 22:21:19,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-25 22:21:19,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:19,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:19,478 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:19,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:19,485 INFO L82 PathProgramCache]: Analyzing trace with hash -545459811, now seen corresponding path program 1 times [2020-10-25 22:21:19,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:19,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204943789] [2020-10-25 22:21:19,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:19,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204943789] [2020-10-25 22:21:19,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:19,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 22:21:19,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121950367] [2020-10-25 22:21:19,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 22:21:19,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:19,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 22:21:19,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:21:19,815 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2020-10-25 22:21:19,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:19,853 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2020-10-25 22:21:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 22:21:19,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-25 22:21:19,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:19,866 INFO L225 Difference]: With dead ends: 49 [2020-10-25 22:21:19,866 INFO L226 Difference]: Without dead ends: 29 [2020-10-25 22:21:19,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:21:19,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-25 22:21:19,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-10-25 22:21:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-25 22:21:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-10-25 22:21:19,911 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 9 [2020-10-25 22:21:19,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:19,912 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-10-25 22:21:19,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 22:21:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-10-25 22:21:19,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-25 22:21:19,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:19,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:19,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:21:19,914 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:19,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:19,915 INFO L82 PathProgramCache]: Analyzing trace with hash -2080096303, now seen corresponding path program 1 times [2020-10-25 22:21:19,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:19,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900779152] [2020-10-25 22:21:19,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:19,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900779152] [2020-10-25 22:21:19,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:19,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 22:21:19,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788312755] [2020-10-25 22:21:19,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 22:21:19,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:19,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 22:21:19,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:21:19,962 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 3 states. [2020-10-25 22:21:20,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:20,021 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2020-10-25 22:21:20,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 22:21:20,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-25 22:21:20,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:20,023 INFO L225 Difference]: With dead ends: 54 [2020-10-25 22:21:20,023 INFO L226 Difference]: Without dead ends: 34 [2020-10-25 22:21:20,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:21:20,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-25 22:21:20,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 27. [2020-10-25 22:21:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-25 22:21:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-10-25 22:21:20,034 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 10 [2020-10-25 22:21:20,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:20,034 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-10-25 22:21:20,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 22:21:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-10-25 22:21:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-25 22:21:20,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:20,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:20,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 22:21:20,036 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:20,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:20,037 INFO L82 PathProgramCache]: Analyzing trace with hash 2140661612, now seen corresponding path program 1 times [2020-10-25 22:21:20,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:20,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062040835] [2020-10-25 22:21:20,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:20,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062040835] [2020-10-25 22:21:20,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:20,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:21:20,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863366016] [2020-10-25 22:21:20,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:21:20,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:20,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:21:20,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:21:20,086 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 4 states. [2020-10-25 22:21:20,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:20,174 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2020-10-25 22:21:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:21:20,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-25 22:21:20,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:20,177 INFO L225 Difference]: With dead ends: 47 [2020-10-25 22:21:20,179 INFO L226 Difference]: Without dead ends: 45 [2020-10-25 22:21:20,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:21:20,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-25 22:21:20,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 29. [2020-10-25 22:21:20,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-25 22:21:20,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-10-25 22:21:20,192 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 10 [2020-10-25 22:21:20,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:20,193 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-10-25 22:21:20,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:21:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-10-25 22:21:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 22:21:20,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:20,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:20,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 22:21:20,195 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:20,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:20,196 INFO L82 PathProgramCache]: Analyzing trace with hash 2003682793, now seen corresponding path program 1 times [2020-10-25 22:21:20,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:20,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966223776] [2020-10-25 22:21:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:20,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966223776] [2020-10-25 22:21:20,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:20,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 22:21:20,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418744059] [2020-10-25 22:21:20,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 22:21:20,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:20,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 22:21:20,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:21:20,291 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 3 states. [2020-10-25 22:21:20,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:20,329 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2020-10-25 22:21:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 22:21:20,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-25 22:21:20,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:20,330 INFO L225 Difference]: With dead ends: 50 [2020-10-25 22:21:20,330 INFO L226 Difference]: Without dead ends: 30 [2020-10-25 22:21:20,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:21:20,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-25 22:21:20,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2020-10-25 22:21:20,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-25 22:21:20,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-10-25 22:21:20,336 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 11 [2020-10-25 22:21:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:20,337 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-10-25 22:21:20,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 22:21:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-10-25 22:21:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 22:21:20,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:20,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:20,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 22:21:20,339 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:20,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:20,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1615622350, now seen corresponding path program 1 times [2020-10-25 22:21:20,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:20,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412921605] [2020-10-25 22:21:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:21,339 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 86 [2020-10-25 22:21:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:21,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412921605] [2020-10-25 22:21:21,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:21,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-25 22:21:21,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93010981] [2020-10-25 22:21:21,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 22:21:21,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:21,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 22:21:21,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-25 22:21:21,459 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 8 states. [2020-10-25 22:21:21,730 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2020-10-25 22:21:21,890 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2020-10-25 22:21:21,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:21,928 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2020-10-25 22:21:21,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 22:21:21,929 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-10-25 22:21:21,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:21,930 INFO L225 Difference]: With dead ends: 40 [2020-10-25 22:21:21,930 INFO L226 Difference]: Without dead ends: 25 [2020-10-25 22:21:21,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-25 22:21:21,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-25 22:21:21,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-25 22:21:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-25 22:21:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-10-25 22:21:21,937 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 16 [2020-10-25 22:21:21,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:21,937 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-10-25 22:21:21,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 22:21:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-10-25 22:21:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 22:21:21,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:21,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:21,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 22:21:21,939 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:21,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:21,940 INFO L82 PathProgramCache]: Analyzing trace with hash 2099080250, now seen corresponding path program 1 times [2020-10-25 22:21:21,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:21,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506173572] [2020-10-25 22:21:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:21,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506173572] [2020-10-25 22:21:21,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:21,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 22:21:21,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65019468] [2020-10-25 22:21:21,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:21:21,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:21,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:21:21,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:21:22,000 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 6 states. [2020-10-25 22:21:22,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:22,086 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2020-10-25 22:21:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 22:21:22,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-25 22:21:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:22,087 INFO L225 Difference]: With dead ends: 38 [2020-10-25 22:21:22,088 INFO L226 Difference]: Without dead ends: 36 [2020-10-25 22:21:22,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-25 22:21:22,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-25 22:21:22,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 23. [2020-10-25 22:21:22,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-25 22:21:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-10-25 22:21:22,094 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 17 [2020-10-25 22:21:22,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:22,095 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-10-25 22:21:22,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:21:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-10-25 22:21:22,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 22:21:22,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:22,096 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:22,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 22:21:22,097 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:22,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:22,097 INFO L82 PathProgramCache]: Analyzing trace with hash 2130061701, now seen corresponding path program 1 times [2020-10-25 22:21:22,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:22,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107611127] [2020-10-25 22:21:22,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:22,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107611127] [2020-10-25 22:21:22,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216236362] [2020-10-25 22:21:22,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 22:21:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:22,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-25 22:21:22,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:21:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:26,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 22:21:26,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-10-25 22:21:26,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776743839] [2020-10-25 22:21:26,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-25 22:21:26,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:26,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-25 22:21:26,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=43, Unknown=2, NotChecked=0, Total=72 [2020-10-25 22:21:26,990 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 9 states. [2020-10-25 22:21:29,203 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2020-10-25 22:21:31,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:31,362 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-10-25 22:21:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 22:21:31,363 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-10-25 22:21:31,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:31,363 INFO L225 Difference]: With dead ends: 26 [2020-10-25 22:21:31,363 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 22:21:31,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=36, Invalid=52, Unknown=2, NotChecked=0, Total=90 [2020-10-25 22:21:31,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 22:21:31,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 22:21:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 22:21:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 22:21:31,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-25 22:21:31,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:31,365 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 22:21:31,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-25 22:21:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 22:21:31,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:21:31,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-25 22:21:31,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 22:21:31,872 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-10-25 22:21:37,442 WARN L193 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-25 22:21:37,551 INFO L274 CegarLoopResult]: For program point L31(lines 31 147) no Hoare annotation was computed. [2020-10-25 22:21:37,552 INFO L274 CegarLoopResult]: For program point L60(lines 60 93) no Hoare annotation was computed. [2020-10-25 22:21:37,552 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:21:37,552 INFO L270 CegarLoopResult]: At program point L151(lines 29 152) the Hoare annotation is: false [2020-10-25 22:21:37,552 INFO L274 CegarLoopResult]: For program point L40(lines 40 139) no Hoare annotation was computed. [2020-10-25 22:21:37,552 INFO L277 CegarLoopResult]: At program point L131(lines 98 132) the Hoare annotation is: true [2020-10-25 22:21:37,552 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:21:37,553 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:21:37,553 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:21:37,553 INFO L270 CegarLoopResult]: At program point L156(lines 26 157) the Hoare annotation is: (or (let ((.cse7 (* 4294967296 (div (+ ULTIMATE.start_main_~main__index2~0 1) 4294967296)))) (and (let ((.cse5 (div ULTIMATE.start_main_~main__index2~0 4294967296)) (.cse6 (div ULTIMATE.start_main_~main__index1~0 4294967296))) (or (let ((.cse4 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0.base|))) (let ((.cse3 (select .cse4 (+ (* ULTIMATE.start_main_~main__index1~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse6 (- 17179869184))))) (.cse2 (select .cse4 (+ (* ULTIMATE.start_main_~main__index2~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse5 (- 17179869184)))))) (let ((.cse1 (+ .cse3 (* 4294967296 (div .cse2 4294967296)))) (.cse0 (+ .cse2 (* 4294967296 (div .cse3 4294967296))))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))))) (<= (+ ULTIMATE.start_main_~main__index1~0 (* 4294967296 .cse5)) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 .cse6))))) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse7) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div (+ ULTIMATE.start_main_~main__index1~0 (- 1)) 4294967296)) 1)) (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse7 99998)))) (= ULTIMATE.start_main_~main__loop_entered~0 0)) [2020-10-25 22:21:37,553 INFO L274 CegarLoopResult]: For program point L57(lines 57 133) no Hoare annotation was computed. [2020-10-25 22:21:37,553 INFO L274 CegarLoopResult]: For program point L24(lines 24 162) no Hoare annotation was computed. [2020-10-25 22:21:37,553 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:21:37,554 INFO L270 CegarLoopResult]: At program point L119(lines 99 128) the Hoare annotation is: (let ((.cse5 (div ULTIMATE.start_main_~main__index2~0 4294967296)) (.cse6 (div ULTIMATE.start_main_~main__index1~0 4294967296))) (let ((.cse8 (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 .cse6))) (.cse10 (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1)) (.cse7 (* 4294967296 .cse5))) (or (let ((.cse9 (* 4294967296 (div (+ ULTIMATE.start_main_~main__index2~0 1) 4294967296)))) (and (or (let ((.cse4 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0.base|))) (let ((.cse3 (select .cse4 (+ (* ULTIMATE.start_main_~main__index1~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse6 (- 17179869184))))) (.cse2 (select .cse4 (+ (* ULTIMATE.start_main_~main__index2~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse5 (- 17179869184)))))) (let ((.cse1 (+ .cse3 (* 4294967296 (div .cse2 4294967296)))) (.cse0 (+ .cse2 (* 4294967296 (div .cse3 4294967296))))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))))) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse7) .cse8)) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse9) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div (+ ULTIMATE.start_main_~main__index1~0 (- 1)) 4294967296)) 1)) .cse10 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse9 99998)))) (and (<= (+ ULTIMATE.start_main_~main__index1~0 .cse7 1) .cse8) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0)) .cse10 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse7 99999)))))) [2020-10-25 22:21:37,554 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 22:21:37,554 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-10-25 22:21:37,555 INFO L274 CegarLoopResult]: For program point L4-2(line 4) no Hoare annotation was computed. [2020-10-25 22:21:37,555 INFO L274 CegarLoopResult]: For program point L4-3(line 4) no Hoare annotation was computed. [2020-10-25 22:21:37,555 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:21:37,555 INFO L274 CegarLoopResult]: For program point L4-4(line 4) no Hoare annotation was computed. [2020-10-25 22:21:37,555 INFO L274 CegarLoopResult]: For program point L4-5(line 4) no Hoare annotation was computed. [2020-10-25 22:21:37,556 INFO L274 CegarLoopResult]: For program point L62(lines 62 88) no Hoare annotation was computed. [2020-10-25 22:21:37,556 INFO L274 CegarLoopResult]: For program point L29(lines 29 152) no Hoare annotation was computed. [2020-10-25 22:21:37,556 INFO L270 CegarLoopResult]: At program point L87(lines 62 88) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div (+ ULTIMATE.start_main_~main__index2~0 1) 4294967296)))) (and (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0)) (<= (+ ULTIMATE.start_main_~main__index1~0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)) 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div (+ ULTIMATE.start_main_~main__index1~0 (- 1)) 4294967296)) 1)) (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99998)))) [2020-10-25 22:21:37,556 INFO L274 CegarLoopResult]: For program point L21(lines 21 167) no Hoare annotation was computed. [2020-10-25 22:21:37,556 INFO L274 CegarLoopResult]: For program point L50(lines 50 138) no Hoare annotation was computed. [2020-10-25 22:21:37,557 INFO L270 CegarLoopResult]: At program point L79(lines 46 139) the Hoare annotation is: (let ((.cse3 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (let ((.cse0 (<= (+ ULTIMATE.start_main_~main__index1~0 .cse3 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296))))) (.cse1 (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1)) (.cse2 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse3 99999)))) (or (and (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) .cse0 .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0)) .cse1 (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~1 0)) .cse2)))) [2020-10-25 22:21:37,557 INFO L274 CegarLoopResult]: For program point L108(lines 108 120) no Hoare annotation was computed. [2020-10-25 22:21:37,557 INFO L274 CegarLoopResult]: For program point L71(lines 71 80) no Hoare annotation was computed. [2020-10-25 22:21:37,557 INFO L277 CegarLoopResult]: At program point L166(lines 14 168) the Hoare annotation is: true [2020-10-25 22:21:37,557 INFO L270 CegarLoopResult]: At program point L92(lines 60 93) the Hoare annotation is: false [2020-10-25 22:21:37,558 INFO L274 CegarLoopResult]: For program point L26(lines 26 157) no Hoare annotation was computed. [2020-10-25 22:21:37,558 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:21:37,558 INFO L270 CegarLoopResult]: At program point L146(lines 31 147) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (= ULTIMATE.start_main_~main__loop_entered~0 0) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999)))) [2020-10-25 22:21:37,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:21:37 BoogieIcfgContainer [2020-10-25 22:21:37,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:21:37,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:21:37,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:21:37,635 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:21:37,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:21:19" (3/4) ... [2020-10-25 22:21:37,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:21:37,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-25 22:21:37,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 22:21:37,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:21:37,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:21:37,712 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:21:37,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:21:37,714 INFO L168 Benchmark]: Toolchain (without parser) took 19261.86 ms. Allocated memory was 48.2 MB in the beginning and 86.0 MB in the end (delta: 37.7 MB). Free memory was 24.8 MB in the beginning and 33.7 MB in the end (delta: -8.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:37,714 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 29.7 MB in the beginning and 29.6 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:21:37,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.88 ms. Allocated memory is still 48.2 MB. Free memory was 24.2 MB in the beginning and 25.1 MB in the end (delta: -927.9 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:37,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.95 ms. Allocated memory is still 48.2 MB. Free memory was 25.1 MB in the beginning and 23.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:37,716 INFO L168 Benchmark]: Boogie Preprocessor took 27.53 ms. Allocated memory is still 48.2 MB. Free memory was 23.3 MB in the beginning and 22.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:37,716 INFO L168 Benchmark]: RCFGBuilder took 506.77 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 40.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:37,717 INFO L168 Benchmark]: TraceAbstraction took 18281.20 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 39.9 MB in the beginning and 38.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:37,717 INFO L168 Benchmark]: Witness Printer took 78.29 ms. Allocated memory is still 86.0 MB. Free memory was 38.7 MB in the beginning and 33.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:37,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 29.7 MB in the beginning and 29.6 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 310.88 ms. Allocated memory is still 48.2 MB. Free memory was 24.2 MB in the beginning and 25.1 MB in the end (delta: -927.9 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.95 ms. Allocated memory is still 48.2 MB. Free memory was 25.1 MB in the beginning and 23.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.53 ms. Allocated memory is still 48.2 MB. Free memory was 23.3 MB in the beginning and 22.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 506.77 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 40.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18281.20 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 39.9 MB in the beginning and 38.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * Witness Printer took 78.29 ms. Allocated memory is still 86.0 MB. Free memory was 38.7 MB in the beginning and 33.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((main____CPAchecker_TMP_0 == 1 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) || ((((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && !(main____CPAchecker_TMP_0 == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant [2020-10-25 22:21:37,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296)) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__index1 + 4294967296 * ((main__index2 + 1) / 4294967296) <= main__index2 + 4294967296 * ((main__index1 + -1) / 4294967296) + 1) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * ((main__index2 + 1) / 4294967296) + 99998) || main__loop_entered == 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant [2020-10-25 22:21:37,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:21:37,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296)) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__index1 + 4294967296 * ((main__index2 + 1) / 4294967296) <= main__index2 + 4294967296 * ((main__index1 + -1) / 4294967296) + 1) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * ((main__index2 + 1) / 4294967296) + 99998) || (((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(main____CPAchecker_TMP_0 == 0) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__index1 + 4294967296 * ((main__index2 + 1) / 4294967296) <= main__index2 + 4294967296 * ((main__index1 + -1) / 4294967296) + 1) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * ((main__index2 + 1) / 4294967296) + 99998 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((main____CPAchecker_TMP_0 == 1 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__loop_entered == 0) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 172 SDtfs, 179 SDslu, 188 SDs, 0 SdLazy, 142 SolverSat, 14 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 7 MinimizatonAttempts, 44 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 21 NumberOfFragments, 571 HoareAnnotationTreeSize, 9 FomulaSimplifications, 482 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 156 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 46613 SizeOfPredicates, 2 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/4 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...