./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer --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-a4ecdab [2020-11-29 23:30:40,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:30:40,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:30:40,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:30:40,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:30:40,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:30:40,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:30:40,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:30:40,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:30:40,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:30:40,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:30:40,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:30:40,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:30:40,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:30:40,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:30:40,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:30:40,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:30:40,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:30:40,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:30:40,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:30:40,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:30:40,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:30:40,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:30:40,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:30:40,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:30:40,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:30:40,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:30:40,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:30:40,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:30:40,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:30:40,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:30:40,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:30:40,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:30:40,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:30:40,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:30:40,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:30:40,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:30:40,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:30:40,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:30:40,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:30:40,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:30:40,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:30:40,201 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:30:40,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:30:40,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:30:40,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:30:40,203 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:30:40,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:30:40,203 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:30:40,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:30:40,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:30:40,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:30:40,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:30:40,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:30:40,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:30:40,205 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:30:40,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:30:40,205 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:30:40,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:30:40,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:30:40,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:30:40,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:30:40,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:30:40,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:30:40,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:30:40,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:30:40,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:30:40,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:30:40,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:30:40,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:30:40,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:30:40,208 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:/tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8242c02a65c511b095f42030318aeef939254d04 [2020-11-29 23:30:40,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:30:40,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:30:40,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:30:40,466 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:30:40,468 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:30:40,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-11-29 23:30:40,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/data/59c89f04c/8db8b41f351d4c208d6d68319d272a0e/FLAG645c574b5 [2020-11-29 23:30:41,019 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:30:41,020 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-11-29 23:30:41,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/data/59c89f04c/8db8b41f351d4c208d6d68319d272a0e/FLAG645c574b5 [2020-11-29 23:30:41,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/data/59c89f04c/8db8b41f351d4c208d6d68319d272a0e [2020-11-29 23:30:41,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:30:41,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:30:41,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:30:41,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:30:41,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:30:41,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41043025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41, skipping insertion in model container [2020-11-29 23:30:41,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:30:41,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:30:41,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:30:41,744 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:30:41,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:30:41,821 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:30:41,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41 WrapperNode [2020-11-29 23:30:41,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:30:41,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:30:41,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:30:41,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:30:41,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:30:41,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:30:41,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:30:41,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:30:41,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... [2020-11-29 23:30:41,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:30:41,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:30:41,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:30:41,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:30:41,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/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 [2020-11-29 23:30:42,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:30:42,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:30:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:30:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:30:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 23:30:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:30:42,441 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:30:42,442 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-29 23:30:42,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:30:42 BoogieIcfgContainer [2020-11-29 23:30:42,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:30:42,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:30:42,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:30:42,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:30:42,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:30:41" (1/3) ... [2020-11-29 23:30:42,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c530556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:30:42, skipping insertion in model container [2020-11-29 23:30:42,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:41" (2/3) ... [2020-11-29 23:30:42,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c530556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:30:42, skipping insertion in model container [2020-11-29 23:30:42,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:30:42" (3/3) ... [2020-11-29 23:30:42,466 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-11-29 23:30:42,473 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:30:42,478 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 23:30:42,488 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 23:30:42,508 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:30:42,509 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:30:42,509 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:30:42,509 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:30:42,509 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:30:42,509 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:30:42,509 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:30:42,510 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:30:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-11-29 23:30:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 23:30:42,530 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:30:42,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:30:42,531 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:30:42,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:30:42,537 INFO L82 PathProgramCache]: Analyzing trace with hash -545459811, now seen corresponding path program 1 times [2020-11-29 23:30:42,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:30:42,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089347247] [2020-11-29 23:30:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:30:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:30:42,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:30:42,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089347247] [2020-11-29 23:30:42,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:30:42,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:30:42,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048492084] [2020-11-29 23:30:42,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:30:42,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:30:42,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:30:42,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:30:42,796 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2020-11-29 23:30:42,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:30:42,839 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2020-11-29 23:30:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:30:42,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-29 23:30:42,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:30:42,848 INFO L225 Difference]: With dead ends: 49 [2020-11-29 23:30:42,848 INFO L226 Difference]: Without dead ends: 29 [2020-11-29 23:30:42,851 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 [2020-11-29 23:30:42,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-29 23:30:42,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-11-29 23:30:42,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-29 23:30:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-11-29 23:30:42,882 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 9 [2020-11-29 23:30:42,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:30:42,882 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-11-29 23:30:42,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:30:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-11-29 23:30:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 23:30:42,883 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:30:42,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:30:42,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:30:42,884 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:30:42,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:30:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash -2080096303, now seen corresponding path program 1 times [2020-11-29 23:30:42,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:30:42,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055652221] [2020-11-29 23:30:42,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:30:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:30:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:30:42,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055652221] [2020-11-29 23:30:42,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:30:42,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:30:42,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976692033] [2020-11-29 23:30:42,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:30:42,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:30:42,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:30:42,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:30:42,967 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 3 states. [2020-11-29 23:30:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:30:43,024 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2020-11-29 23:30:43,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:30:43,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-29 23:30:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:30:43,027 INFO L225 Difference]: With dead ends: 54 [2020-11-29 23:30:43,027 INFO L226 Difference]: Without dead ends: 34 [2020-11-29 23:30:43,028 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 [2020-11-29 23:30:43,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-11-29 23:30:43,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 27. [2020-11-29 23:30:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-29 23:30:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-11-29 23:30:43,034 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 10 [2020-11-29 23:30:43,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:30:43,034 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-11-29 23:30:43,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:30:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-11-29 23:30:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 23:30:43,035 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:30:43,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:30:43,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:30:43,035 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:30:43,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:30:43,036 INFO L82 PathProgramCache]: Analyzing trace with hash 2140661612, now seen corresponding path program 1 times [2020-11-29 23:30:43,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:30:43,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473517154] [2020-11-29 23:30:43,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:30:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:30:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:30:43,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473517154] [2020-11-29 23:30:43,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:30:43,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:30:43,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372801956] [2020-11-29 23:30:43,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:30:43,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:30:43,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:30:43,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:30:43,120 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 4 states. [2020-11-29 23:30:43,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:30:43,160 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2020-11-29 23:30:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:30:43,161 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-29 23:30:43,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:30:43,162 INFO L225 Difference]: With dead ends: 47 [2020-11-29 23:30:43,162 INFO L226 Difference]: Without dead ends: 45 [2020-11-29 23:30:43,163 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 [2020-11-29 23:30:43,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-29 23:30:43,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 29. [2020-11-29 23:30:43,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-29 23:30:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-11-29 23:30:43,175 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 10 [2020-11-29 23:30:43,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:30:43,175 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-11-29 23:30:43,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:30:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-11-29 23:30:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:30:43,176 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:30:43,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:30:43,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:30:43,177 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:30:43,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:30:43,177 INFO L82 PathProgramCache]: Analyzing trace with hash 2003682793, now seen corresponding path program 1 times [2020-11-29 23:30:43,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:30:43,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138469787] [2020-11-29 23:30:43,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:30:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:30:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:30:43,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138469787] [2020-11-29 23:30:43,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:30:43,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:30:43,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522986930] [2020-11-29 23:30:43,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:30:43,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:30:43,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:30:43,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:30:43,222 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 3 states. [2020-11-29 23:30:43,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:30:43,264 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2020-11-29 23:30:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:30:43,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-29 23:30:43,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:30:43,266 INFO L225 Difference]: With dead ends: 50 [2020-11-29 23:30:43,266 INFO L226 Difference]: Without dead ends: 30 [2020-11-29 23:30:43,266 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 [2020-11-29 23:30:43,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-29 23:30:43,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2020-11-29 23:30:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-29 23:30:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-11-29 23:30:43,271 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 11 [2020-11-29 23:30:43,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:30:43,271 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-11-29 23:30:43,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:30:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-11-29 23:30:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:30:43,272 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:30:43,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:30:43,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:30:43,272 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:30:43,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:30:43,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1615622350, now seen corresponding path program 1 times [2020-11-29 23:30:43,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:30:43,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018029729] [2020-11-29 23:30:43,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:30:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:30:44,405 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 86 [2020-11-29 23:30:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:30:44,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018029729] [2020-11-29 23:30:44,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:30:44,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-29 23:30:44,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497572845] [2020-11-29 23:30:44,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 23:30:44,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:30:44,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:30:44,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:30:44,498 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 8 states. [2020-11-29 23:30:44,785 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2020-11-29 23:30:44,972 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2020-11-29 23:30:45,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:30:45,015 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2020-11-29 23:30:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 23:30:45,016 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-11-29 23:30:45,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:30:45,017 INFO L225 Difference]: With dead ends: 40 [2020-11-29 23:30:45,017 INFO L226 Difference]: Without dead ends: 25 [2020-11-29 23:30:45,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-11-29 23:30:45,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-29 23:30:45,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-29 23:30:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-29 23:30:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-11-29 23:30:45,022 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 16 [2020-11-29 23:30:45,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:30:45,023 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-11-29 23:30:45,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 23:30:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-11-29 23:30:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 23:30:45,023 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:30:45,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:30:45,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:30:45,024 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:30:45,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:30:45,025 INFO L82 PathProgramCache]: Analyzing trace with hash 2099080250, now seen corresponding path program 1 times [2020-11-29 23:30:45,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:30:45,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160064428] [2020-11-29 23:30:45,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:30:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:30:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:30:45,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160064428] [2020-11-29 23:30:45,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:30:45,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 23:30:45,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209695511] [2020-11-29 23:30:45,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:30:45,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:30:45,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:30:45,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:30:45,115 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 6 states. [2020-11-29 23:30:45,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:30:45,198 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2020-11-29 23:30:45,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 23:30:45,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-11-29 23:30:45,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:30:45,200 INFO L225 Difference]: With dead ends: 38 [2020-11-29 23:30:45,200 INFO L226 Difference]: Without dead ends: 36 [2020-11-29 23:30:45,200 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 [2020-11-29 23:30:45,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-29 23:30:45,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 23. [2020-11-29 23:30:45,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-29 23:30:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-11-29 23:30:45,205 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 17 [2020-11-29 23:30:45,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:30:45,206 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-11-29 23:30:45,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:30:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-29 23:30:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:30:45,206 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:30:45,207 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:30:45,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 23:30:45,207 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:30:45,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:30:45,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2130061701, now seen corresponding path program 1 times [2020-11-29 23:30:45,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:30:45,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807724652] [2020-11-29 23:30:45,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:30:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:30:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:30:45,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807724652] [2020-11-29 23:30:45,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207604808] [2020-11-29 23:30:45,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/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 [2020-11-29 23:30:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:30:45,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 23:30:45,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:30:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:30:50,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:30:50,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-11-29 23:30:50,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345819068] [2020-11-29 23:30:50,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 23:30:50,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:30:50,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:30:50,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=34, Unknown=2, NotChecked=0, Total=56 [2020-11-29 23:30:50,046 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 8 states. [2020-11-29 23:30:54,331 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-11-29 23:30:56,529 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-11-29 23:30:56,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:30:56,621 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-11-29 23:30:56,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 23:30:56,622 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-11-29 23:30:56,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:30:56,623 INFO L225 Difference]: With dead ends: 26 [2020-11-29 23:30:56,623 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:30:56,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=35, Invalid=53, Unknown=2, NotChecked=0, Total=90 [2020-11-29 23:30:56,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:30:56,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:30:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:30:56,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:30:56,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-29 23:30:56,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:30:56,624 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:30:56,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 23:30:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:30:56,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:30:56,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-29 23:30:56,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:30:59,190 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-11-29 23:31:01,488 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-11-29 23:31:10,046 WARN L193 SmtUtils]: Spent 8.54 s on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2020-11-29 23:31:10,075 INFO L274 CegarLoopResult]: For program point L31(lines 31 147) no Hoare annotation was computed. [2020-11-29 23:31:10,075 INFO L274 CegarLoopResult]: For program point L60(lines 60 93) no Hoare annotation was computed. [2020-11-29 23:31:10,075 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-29 23:31:10,075 INFO L270 CegarLoopResult]: At program point L151(lines 29 152) the Hoare annotation is: false [2020-11-29 23:31:10,075 INFO L274 CegarLoopResult]: For program point L40(lines 40 139) no Hoare annotation was computed. [2020-11-29 23:31:10,076 INFO L277 CegarLoopResult]: At program point L131(lines 98 132) the Hoare annotation is: true [2020-11-29 23:31:10,076 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:31:10,076 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:31:10,076 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:31:10,076 INFO L270 CegarLoopResult]: At program point L156(lines 26 157) the Hoare annotation is: (or (= ULTIMATE.start_main_~main__loop_entered~0 0) (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 (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div (+ (* ULTIMATE.start_main_~main__index2~0 (- 1)) (* (div (+ ULTIMATE.start_main_~main__index1~0 (- 1)) 4294967296) 4294967296) 99998) 4294967296)) 1)) (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1))) [2020-11-29 23:31:10,076 INFO L274 CegarLoopResult]: For program point L57(lines 57 133) no Hoare annotation was computed. [2020-11-29 23:31:10,076 INFO L274 CegarLoopResult]: For program point L24(lines 24 162) no Hoare annotation was computed. [2020-11-29 23:31:10,077 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-29 23:31:10,077 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))) (.cse9 (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1)) (.cse7 (* 4294967296 .cse5))) (or (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 (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div (+ (* ULTIMATE.start_main_~main__index2~0 (- 1)) (* (div (+ ULTIMATE.start_main_~main__index1~0 (- 1)) 4294967296) 4294967296) 99998) 4294967296)) 1)) .cse9) (and (<= (+ ULTIMATE.start_main_~main__index1~0 .cse7 1) .cse8) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0)) .cse9 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse7 99999)))))) [2020-11-29 23:31:10,077 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-29 23:31:10,077 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-11-29 23:31:10,077 INFO L274 CegarLoopResult]: For program point L4-2(line 4) no Hoare annotation was computed. [2020-11-29 23:31:10,077 INFO L274 CegarLoopResult]: For program point L4-3(line 4) no Hoare annotation was computed. [2020-11-29 23:31:10,078 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:31:10,078 INFO L274 CegarLoopResult]: For program point L4-4(line 4) no Hoare annotation was computed. [2020-11-29 23:31:10,078 INFO L274 CegarLoopResult]: For program point L4-5(line 4) no Hoare annotation was computed. [2020-11-29 23:31:10,078 INFO L274 CegarLoopResult]: For program point L62(lines 62 88) no Hoare annotation was computed. [2020-11-29 23:31:10,078 INFO L274 CegarLoopResult]: For program point L29(lines 29 152) no Hoare annotation was computed. [2020-11-29 23:31:10,078 INFO L270 CegarLoopResult]: At program point L87(lines 62 88) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__index1~0 (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div (+ (* ULTIMATE.start_main_~main__index2~0 (- 1)) (* (div (+ ULTIMATE.start_main_~main__index1~0 (- 1)) 4294967296) 4294967296) 99998) 4294967296)) 1)) (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_~__VERIFIER_assert__cond~0 1)) [2020-11-29 23:31:10,078 INFO L274 CegarLoopResult]: For program point L21(lines 21 167) no Hoare annotation was computed. [2020-11-29 23:31:10,078 INFO L274 CegarLoopResult]: For program point L50(lines 50 138) no Hoare annotation was computed. [2020-11-29 23:31:10,079 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)))) [2020-11-29 23:31:10,079 INFO L274 CegarLoopResult]: For program point L108(lines 108 120) no Hoare annotation was computed. [2020-11-29 23:31:10,079 INFO L274 CegarLoopResult]: For program point L71(lines 71 80) no Hoare annotation was computed. [2020-11-29 23:31:10,079 INFO L277 CegarLoopResult]: At program point L166(lines 14 168) the Hoare annotation is: true [2020-11-29 23:31:10,079 INFO L270 CegarLoopResult]: At program point L92(lines 60 93) the Hoare annotation is: false [2020-11-29 23:31:10,079 INFO L274 CegarLoopResult]: For program point L26(lines 26 157) no Hoare annotation was computed. [2020-11-29 23:31:10,079 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-29 23:31:10,080 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)))) [2020-11-29 23:31:10,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:31:10 BoogieIcfgContainer [2020-11-29 23:31:10,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:31:10,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:31:10,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:31:10,175 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:31:10,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:30:42" (3/4) ... [2020-11-29 23:31:10,182 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:31:10,192 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-29 23:31:10,193 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:31:10,193 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:31:10,193 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:31:10,248 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dd6f0e13-ee17-496c-9f8c-1168f166c37d/bin/uautomizer/witness.graphml [2020-11-29 23:31:10,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:31:10,250 INFO L168 Benchmark]: Toolchain (without parser) took 28844.30 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 96.7 MB in the beginning and 121.2 MB in the end (delta: -24.5 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:10,250 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:31:10,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.31 ms. Allocated memory is still 123.7 MB. Free memory was 96.4 MB in the beginning and 99.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:10,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.93 ms. Allocated memory is still 123.7 MB. Free memory was 99.8 MB in the beginning and 98.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:10,252 INFO L168 Benchmark]: Boogie Preprocessor took 49.42 ms. Allocated memory is still 123.7 MB. Free memory was 98.1 MB in the beginning and 96.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:10,252 INFO L168 Benchmark]: RCFGBuilder took 502.30 ms. Allocated memory is still 123.7 MB. Free memory was 96.9 MB in the beginning and 79.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:10,252 INFO L168 Benchmark]: TraceAbstraction took 27709.09 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 78.9 MB in the beginning and 52.5 MB in the end (delta: 26.3 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:10,253 INFO L168 Benchmark]: Witness Printer took 94.50 ms. Allocated memory is still 148.9 MB. Free memory was 52.5 MB in the beginning and 121.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:10,255 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 88.1 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 410.31 ms. Allocated memory is still 123.7 MB. Free memory was 96.4 MB in the beginning and 99.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.93 ms. Allocated memory is still 123.7 MB. Free memory was 99.8 MB in the beginning and 98.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.42 ms. Allocated memory is still 123.7 MB. Free memory was 98.1 MB in the beginning and 96.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 502.30 ms. Allocated memory is still 123.7 MB. Free memory was 96.9 MB in the beginning and 79.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27709.09 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 78.9 MB in the beginning and 52.5 MB in the end (delta: 26.3 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. * Witness Printer took 94.50 ms. Allocated memory is still 148.9 MB. Free memory was 52.5 MB in the beginning and 121.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 2.1 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 [2020-11-29 23:31:10,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: main__loop_entered == 0 || ((((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 <= main__index2 + 4294967296 * ((main__index2 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 99998) / 4294967296) + 1) && __VERIFIER_assert__cond == 1) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant [2020-11-29 23:31:10,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 23:31:10,284 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 <= main__index2 + 4294967296 * ((main__index2 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 99998) / 4294967296) + 1) && __VERIFIER_assert__cond == 1) || (((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__index1 <= main__index2 + 4294967296 * ((main__index2 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 99998) / 4294967296) + 1 && !(main____CPAchecker_TMP_0 == 0)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && __VERIFIER_assert__cond == 1 - 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: 14.3s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 172 SDtfs, 173 SDslu, 189 SDs, 0 SdLazy, 145 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 11.9s 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, 541 HoareAnnotationTreeSize, 9 FomulaSimplifications, 482 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 156 FormulaSimplificationTreeSizeReductionInter, 13.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 45865 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...