./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 ................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:46:37,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:46:37,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:46:37,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:46:37,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:46:37,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:46:37,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:46:37,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:46:37,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:46:37,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:46:37,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:46:37,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:46:37,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:46:37,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:46:37,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:46:37,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:46:37,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:46:37,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:46:37,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:46:37,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:46:37,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:46:37,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:46:37,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:46:37,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:46:37,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:46:37,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:46:37,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:46:37,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:46:37,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:46:37,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:46:37,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:46:37,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:46:37,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:46:37,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:46:37,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:46:37,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:46:37,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:46:37,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:46:37,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:46:37,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:46:37,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:46:37,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-30 00:46:37,981 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:46:37,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:46:37,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:46:37,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:46:37,983 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:46:37,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:46:37,983 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:46:37,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:46:37,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:46:37,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:46:37,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:46:37,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:46:37,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:46:37,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:46:37,985 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 00:46:37,985 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:46:37,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:46:37,986 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:46:37,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:46:37,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:46:37,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:46:37,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:46:37,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:46:37,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:46:37,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:46:37,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:46:37,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:46:37,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:46:37,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:46:37,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:46:37,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:46:37,989 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_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 [2020-11-30 00:46:38,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:46:38,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:46:38,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:46:38,268 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:46:38,269 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:46:38,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2020-11-30 00:46:38,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/data/ea662ac89/514100c3129f4b93a639113b1d7c696a/FLAG5ad170e32 [2020-11-30 00:46:38,867 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:46:38,868 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2020-11-30 00:46:38,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/data/ea662ac89/514100c3129f4b93a639113b1d7c696a/FLAG5ad170e32 [2020-11-30 00:46:39,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/data/ea662ac89/514100c3129f4b93a639113b1d7c696a [2020-11-30 00:46:39,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:46:39,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:46:39,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:39,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:46:39,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:46:39,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50669528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39, skipping insertion in model container [2020-11-30 00:46:39,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:46:39,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:46:39,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:46:39,503 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:46:39,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:46:39,563 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:46:39,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39 WrapperNode [2020-11-30 00:46:39,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:39,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:46:39,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:46:39,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:46:39,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:46:39,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:46:39,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:46:39,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:46:39,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... [2020-11-30 00:46:39,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:46:39,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:46:39,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:46:39,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:46:39,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/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 [2020-11-30 00:46:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:46:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:46:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:46:39,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:46:40,224 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:46:40,225 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:46:40,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:46:40 BoogieIcfgContainer [2020-11-30 00:46:40,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:46:40,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:46:40,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:46:40,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:46:40,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:46:39" (1/3) ... [2020-11-30 00:46:40,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d267b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:46:40, skipping insertion in model container [2020-11-30 00:46:40,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:39" (2/3) ... [2020-11-30 00:46:40,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d267b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:46:40, skipping insertion in model container [2020-11-30 00:46:40,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:46:40" (3/3) ... [2020-11-30 00:46:40,240 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark44_disjunctive.i [2020-11-30 00:46:40,251 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:46:40,255 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2020-11-30 00:46:40,267 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-11-30 00:46:40,307 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:46:40,307 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:46:40,307 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:46:40,307 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:46:40,308 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:46:40,308 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:46:40,308 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:46:40,308 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:46:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-11-30 00:46:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 00:46:40,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:40,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:46:40,340 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 00:46:40,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:40,347 INFO L82 PathProgramCache]: Analyzing trace with hash 889575245, now seen corresponding path program 1 times [2020-11-30 00:46:40,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:40,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946684120] [2020-11-30 00:46:40,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:46:40,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946684120] [2020-11-30 00:46:40,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:40,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:46:40,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350196778] [2020-11-30 00:46:40,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:46:40,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:40,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:46:40,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:46:40,588 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 3 states. [2020-11-30 00:46:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:40,719 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2020-11-30 00:46:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:46:40,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 00:46:40,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:40,732 INFO L225 Difference]: With dead ends: 56 [2020-11-30 00:46:40,732 INFO L226 Difference]: Without dead ends: 34 [2020-11-30 00:46:40,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:46:40,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-11-30 00:46:40,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-11-30 00:46:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-30 00:46:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2020-11-30 00:46:40,792 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 6 [2020-11-30 00:46:40,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:40,793 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2020-11-30 00:46:40,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:46:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-11-30 00:46:40,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:46:40,794 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:40,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:40,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:46:40,795 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 00:46:40,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:40,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1807028872, now seen corresponding path program 1 times [2020-11-30 00:46:40,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:40,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118795811] [2020-11-30 00:46:40,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:46:40,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118795811] [2020-11-30 00:46:40,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:40,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:46:40,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484596310] [2020-11-30 00:46:40,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:46:40,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:40,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:46:40,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:46:40,882 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 3 states. [2020-11-30 00:46:40,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:40,957 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-11-30 00:46:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:46:40,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-30 00:46:40,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:40,960 INFO L225 Difference]: With dead ends: 34 [2020-11-30 00:46:40,960 INFO L226 Difference]: Without dead ends: 31 [2020-11-30 00:46:40,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:46:40,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-30 00:46:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-30 00:46:40,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-30 00:46:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-11-30 00:46:40,972 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 7 [2020-11-30 00:46:40,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:40,973 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-11-30 00:46:40,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:46:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-11-30 00:46:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:46:40,975 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:40,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:40,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:46:40,976 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 00:46:40,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:40,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1807039186, now seen corresponding path program 1 times [2020-11-30 00:46:40,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:40,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845778296] [2020-11-30 00:46:40,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:46:41,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:46:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:46:41,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:46:41,036 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:46:41,036 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:46:41,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:46:41,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:46:41 BoogieIcfgContainer [2020-11-30 00:46:41,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:46:41,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:46:41,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:46:41,059 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:46:41,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:46:40" (3/4) ... [2020-11-30 00:46:41,062 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:46:41,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_37837aeb-6466-40ca-a9b7-94d8f9c5c54f/bin/uautomizer/witness.graphml [2020-11-30 00:46:41,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:46:41,104 INFO L168 Benchmark]: Toolchain (without parser) took 1839.11 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 70.9 MB in the beginning and 80.3 MB in the end (delta: -9.4 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:41,104 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 56.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:46:41,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.63 ms. Allocated memory is still 98.6 MB. Free memory was 70.7 MB in the beginning and 74.6 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:41,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.43 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:41,107 INFO L168 Benchmark]: Boogie Preprocessor took 41.69 ms. Allocated memory is still 98.6 MB. Free memory was 73.1 MB in the beginning and 72.2 MB in the end (delta: 946.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:46:41,107 INFO L168 Benchmark]: RCFGBuilder took 573.63 ms. Allocated memory is still 98.6 MB. Free memory was 72.2 MB in the beginning and 57.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:41,108 INFO L168 Benchmark]: TraceAbstraction took 826.70 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 57.0 MB in the beginning and 81.8 MB in the end (delta: -24.8 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:41,109 INFO L168 Benchmark]: Witness Printer took 42.59 ms. Allocated memory is still 125.8 MB. Free memory was 81.8 MB in the beginning and 80.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:46:41,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 56.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.63 ms. Allocated memory is still 98.6 MB. Free memory was 70.7 MB in the beginning and 74.6 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.43 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.69 ms. Allocated memory is still 98.6 MB. Free memory was 73.1 MB in the beginning and 72.2 MB in the end (delta: 946.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 573.63 ms. Allocated memory is still 98.6 MB. Free memory was 72.2 MB in the beginning and 57.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 826.70 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 57.0 MB in the beginning and 81.8 MB in the end (delta: -24.8 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Witness Printer took 42.59 ms. Allocated memory is still 125.8 MB. Free memory was 81.8 MB in the beginning and 80.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x=0)) [L30] x+10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 14 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 28 SDslu, 25 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...