./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 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! 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 0.2.1-dev-20ed64e [2021-08-27 11:40:19,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 11:40:19,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 11:40:19,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 11:40:19,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 11:40:19,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 11:40:19,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 11:40:19,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 11:40:19,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 11:40:19,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 11:40:19,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 11:40:19,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 11:40:19,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 11:40:19,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 11:40:19,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 11:40:19,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 11:40:19,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 11:40:19,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 11:40:19,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 11:40:19,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 11:40:19,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 11:40:19,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 11:40:19,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 11:40:19,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 11:40:19,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 11:40:19,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 11:40:19,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 11:40:19,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 11:40:19,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 11:40:19,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 11:40:19,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 11:40:19,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 11:40:19,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 11:40:19,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 11:40:19,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 11:40:19,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 11:40:19,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 11:40:19,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 11:40:19,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 11:40:19,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 11:40:19,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 11:40:19,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-27 11:40:19,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 11:40:19,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 11:40:19,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 11:40:19,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 11:40:19,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 11:40:19,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 11:40:19,267 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 11:40:19,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 11:40:19,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 11:40:19,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 11:40:19,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 11:40:19,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 11:40:19,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 11:40:19,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 11:40:19,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 11:40:19,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 11:40:19,270 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-27 11:40:19,270 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 11:40:19,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 11:40:19,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 11:40:19,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 11:40:19,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 11:40:19,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 11:40:19,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 11:40:19,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:40:19,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 11:40:19,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 11:40:19,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 11:40:19,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 11:40:19,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 11:40:19,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 11:40:19,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 11:40:19,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 [2021-08-27 11:40:19,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 11:40:19,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 11:40:19,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 11:40:19,597 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 11:40:19,598 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 11:40:19,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2021-08-27 11:40:19,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b1f8f3a5/2c11e9fd10ed48ccb1c40cf732940890/FLAGb6fae268b [2021-08-27 11:40:20,074 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 11:40:20,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2021-08-27 11:40:20,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b1f8f3a5/2c11e9fd10ed48ccb1c40cf732940890/FLAGb6fae268b [2021-08-27 11:40:20,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b1f8f3a5/2c11e9fd10ed48ccb1c40cf732940890 [2021-08-27 11:40:20,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 11:40:20,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 11:40:20,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 11:40:20,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 11:40:20,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 11:40:20,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c35bb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20, skipping insertion in model container [2021-08-27 11:40:20,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 11:40:20,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 11:40:20,599 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2021-08-27 11:40:20,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:40:20,614 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 11:40:20,625 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2021-08-27 11:40:20,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:40:20,639 INFO L208 MainTranslator]: Completed translation [2021-08-27 11:40:20,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20 WrapperNode [2021-08-27 11:40:20,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 11:40:20,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 11:40:20,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 11:40:20,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 11:40:20,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 11:40:20,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 11:40:20,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 11:40:20,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 11:40:20,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 11:40:20,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 11:40:20,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 11:40:20,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 11:40:20,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (1/1) ... [2021-08-27 11:40:20,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:40:20,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 11:40:20,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-27 11:40:20,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-27 11:40:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 11:40:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 11:40:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 11:40:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 11:40:21,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 11:40:21,117 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 11:40:21,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:40:21 BoogieIcfgContainer [2021-08-27 11:40:21,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 11:40:21,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 11:40:21,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 11:40:21,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 11:40:21,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:40:20" (1/3) ... [2021-08-27 11:40:21,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71aa982d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:40:21, skipping insertion in model container [2021-08-27 11:40:21,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:20" (2/3) ... [2021-08-27 11:40:21,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71aa982d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:40:21, skipping insertion in model container [2021-08-27 11:40:21,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:40:21" (3/3) ... [2021-08-27 11:40:21,125 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark44_disjunctive.i [2021-08-27 11:40:21,129 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 11:40:21,129 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-08-27 11:40:21,179 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 11:40:21,188 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-27 11:40:21,189 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-08-27 11:40:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.7777777777777777) internal successors, (48), 41 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:40:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-27 11:40:21,203 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:40:21,204 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-27 11:40:21,204 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2021-08-27 11:40:21,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:40:21,207 INFO L82 PathProgramCache]: Analyzing trace with hash 889575245, now seen corresponding path program 1 times [2021-08-27 11:40:21,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:40:21,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459715376] [2021-08-27 11:40:21,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:40:21,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:40:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 11:40:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 11:40:21,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 11:40:21,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459715376] [2021-08-27 11:40:21,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459715376] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 11:40:21,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 11:40:21,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 11:40:21,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687315447] [2021-08-27 11:40:21,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 11:40:21,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 11:40:21,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 11:40:21,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:40:21,414 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.7777777777777777) internal successors, (48), 41 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:40:21,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 11:40:21,501 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2021-08-27 11:40:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 11:40:21,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-08-27 11:40:21,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 11:40:21,509 INFO L225 Difference]: With dead ends: 54 [2021-08-27 11:40:21,509 INFO L226 Difference]: Without dead ends: 34 [2021-08-27 11:40:21,511 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:40:21,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-08-27 11:40:21,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-08-27 11:40:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 33 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:40:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2021-08-27 11:40:21,539 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 6 [2021-08-27 11:40:21,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 11:40:21,540 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2021-08-27 11:40:21,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:40:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-08-27 11:40:21,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-27 11:40:21,541 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:40:21,541 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 11:40:21,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-27 11:40:21,542 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2021-08-27 11:40:21,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:40:21,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1807028872, now seen corresponding path program 1 times [2021-08-27 11:40:21,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:40:21,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985970674] [2021-08-27 11:40:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:40:21,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:40:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 11:40:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 11:40:21,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 11:40:21,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985970674] [2021-08-27 11:40:21,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985970674] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 11:40:21,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 11:40:21,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 11:40:21,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544674500] [2021-08-27 11:40:21,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 11:40:21,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 11:40:21,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 11:40:21,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:40:21,613 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:40:21,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 11:40:21,659 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-08-27 11:40:21,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 11:40:21,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-08-27 11:40:21,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 11:40:21,662 INFO L225 Difference]: With dead ends: 34 [2021-08-27 11:40:21,662 INFO L226 Difference]: Without dead ends: 31 [2021-08-27 11:40:21,663 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:40:21,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-08-27 11:40:21,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-08-27 11:40:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.5) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:40:21,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2021-08-27 11:40:21,670 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 7 [2021-08-27 11:40:21,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 11:40:21,671 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2021-08-27 11:40:21,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:40:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-08-27 11:40:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-27 11:40:21,672 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:40:21,672 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 11:40:21,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-27 11:40:21,673 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2021-08-27 11:40:21,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:40:21,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1807039186, now seen corresponding path program 1 times [2021-08-27 11:40:21,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:40:21,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011848743] [2021-08-27 11:40:21,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:40:21,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:40:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 11:40:21,702 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 11:40:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 11:40:21,739 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 11:40:21,741 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 11:40:21,741 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-27 11:40:21,750 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 11:40:21,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 11:40:21 BoogieIcfgContainer [2021-08-27 11:40:21,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 11:40:21,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 11:40:21,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 11:40:21,765 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 11:40:21,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:40:21" (3/4) ... [2021-08-27 11:40:21,767 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-27 11:40:21,795 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 11:40:21,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 11:40:21,797 INFO L168 Benchmark]: Toolchain (without parser) took 1331.56 ms. Allocated memory is still 79.7 MB. Free memory was 46.1 MB in the beginning and 38.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,797 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 79.7 MB. Free memory was 62.4 MB in the beginning and 62.2 MB in the end (delta: 123.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:40:21,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.79 ms. Allocated memory is still 79.7 MB. Free memory was 46.0 MB in the beginning and 57.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.57 ms. Allocated memory is still 79.7 MB. Free memory was 57.5 MB in the beginning and 64.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,798 INFO L168 Benchmark]: Boogie Preprocessor took 40.26 ms. Allocated memory is still 79.7 MB. Free memory was 64.8 MB in the beginning and 63.9 MB in the end (delta: 878.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,799 INFO L168 Benchmark]: RCFGBuilder took 401.00 ms. Allocated memory is still 79.7 MB. Free memory was 63.9 MB in the beginning and 48.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,799 INFO L168 Benchmark]: TraceAbstraction took 644.44 ms. Allocated memory is still 79.7 MB. Free memory was 48.3 MB in the beginning and 40.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,800 INFO L168 Benchmark]: Witness Printer took 30.08 ms. Allocated memory is still 79.7 MB. Free memory was 40.1 MB in the beginning and 38.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:40:21,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 79.7 MB. Free memory was 62.4 MB in the beginning and 62.2 MB in the end (delta: 123.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 172.79 ms. Allocated memory is still 79.7 MB. Free memory was 46.0 MB in the beginning and 57.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.57 ms. Allocated memory is still 79.7 MB. Free memory was 57.5 MB in the beginning and 64.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.26 ms. Allocated memory is still 79.7 MB. Free memory was 64.8 MB in the beginning and 63.9 MB in the end (delta: 878.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 401.00 ms. Allocated memory is still 79.7 MB. Free memory was 63.9 MB in the beginning and 48.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 644.44 ms. Allocated memory is still 79.7 MB. Free memory was 48.3 MB in the beginning and 40.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * Witness Printer took 30.08 ms. Allocated memory is still 79.7 MB. Free memory was 40.1 MB in the beginning and 38.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 570.8ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 6.3ms, AutomataDifference: 161.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 28 SDslu, 24 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 23.8ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.8ms SsaConstructionTime, 68.7ms SatisfiabilityAnalysisTime, 113.0ms InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 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! [2021-08-27 11:40:21,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...