./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC --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 64bit --witnessprinter.graph.data.programhash f75d3b0df88aa6cba3575b396148d07555139dde ....................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-7b2dab5 [2021-10-11 00:31:43,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:43,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:43,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:43,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:43,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:43,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:43,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:43,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:43,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:43,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:43,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:43,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:43,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:43,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:43,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:43,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:43,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:43,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:43,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:43,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:43,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:43,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:43,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:43,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:43,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:43,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:43,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:43,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:43,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:43,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:43,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:43,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:43,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:43,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:43,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:43,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:43,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:43,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:43,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:43,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:43,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-10-11 00:31:43,493 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:43,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:43,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:43,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:43,497 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:43,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:43,497 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:31:43,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:43,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:43,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:43,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:43,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:43,503 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 00:31:43,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:43,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:43,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:43,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:43,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:43,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:43,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:43,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:43,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:43,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:43,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:43,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:43,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:43,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:43,507 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_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f75d3b0df88aa6cba3575b396148d07555139dde [2021-10-11 00:31:43,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:43,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:43,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:43,807 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:43,811 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:43,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c [2021-10-11 00:31:43,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/data/82e0ea81f/250a0f055fa04b2ab3c9fa2b254d6fde/FLAGca517d8cb [2021-10-11 00:31:44,329 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:44,330 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c [2021-10-11 00:31:44,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/data/82e0ea81f/250a0f055fa04b2ab3c9fa2b254d6fde/FLAGca517d8cb [2021-10-11 00:31:44,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/data/82e0ea81f/250a0f055fa04b2ab3c9fa2b254d6fde [2021-10-11 00:31:44,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:44,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:44,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:44,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:44,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:44,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de39f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44, skipping insertion in model container [2021-10-11 00:31:44,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:44,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:44,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:44,913 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:44,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:44,937 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:44,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44 WrapperNode [2021-10-11 00:31:44,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:44,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:44,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:44,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:44,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:44,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:44,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:44,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:44,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... [2021-10-11 00:31:44,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:44,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:44,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:44,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:44,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:31:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:45,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:45,316 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:31:45,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:45 BoogieIcfgContainer [2021-10-11 00:31:45,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:45,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:45,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:45,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:45,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:44" (1/3) ... [2021-10-11 00:31:45,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578a70d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:45, skipping insertion in model container [2021-10-11 00:31:45,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:44" (2/3) ... [2021-10-11 00:31:45,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578a70d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:45, skipping insertion in model container [2021-10-11 00:31:45,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:45" (3/3) ... [2021-10-11 00:31:45,328 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-exmini.c [2021-10-11 00:31:45,344 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:45,347 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 00:31:45,359 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 00:31:45,390 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:45,390 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:45,390 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:45,390 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:45,390 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:45,391 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:45,391 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:45,391 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:45,421 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2021-10-11 00:31:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 00:31:45,426 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:45,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 00:31:45,443 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:31:45,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:45,449 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2021-10-11 00:31:45,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:45,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273534817] [2021-10-11 00:31:45,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:45,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273534817] [2021-10-11 00:31:45,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:45,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:45,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967251492] [2021-10-11 00:31:45,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:45,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:45,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:45,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:45,675 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2021-10-11 00:31:45,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:45,717 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-10-11 00:31:45,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:45,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-10-11 00:31:45,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:45,727 INFO L225 Difference]: With dead ends: 23 [2021-10-11 00:31:45,727 INFO L226 Difference]: Without dead ends: 10 [2021-10-11 00:31:45,730 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 [2021-10-11 00:31:45,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-11 00:31:45,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2021-10-11 00:31:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-11 00:31:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-11 00:31:45,762 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2021-10-11 00:31:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:45,762 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-10-11 00:31:45,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-11 00:31:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 00:31:45,763 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:45,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 00:31:45,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:45,764 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:31:45,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:45,765 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2021-10-11 00:31:45,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:45,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776398363] [2021-10-11 00:31:45,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:45,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776398363] [2021-10-11 00:31:45,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:45,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:45,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026428360] [2021-10-11 00:31:45,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:45,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:45,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:45,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:45,812 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2021-10-11 00:31:45,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:45,867 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2021-10-11 00:31:45,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:45,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2021-10-11 00:31:45,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:45,873 INFO L225 Difference]: With dead ends: 18 [2021-10-11 00:31:45,873 INFO L226 Difference]: Without dead ends: 17 [2021-10-11 00:31:45,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:45,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-11 00:31:45,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2021-10-11 00:31:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-11 00:31:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2021-10-11 00:31:45,881 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2021-10-11 00:31:45,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:45,882 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2021-10-11 00:31:45,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2021-10-11 00:31:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 00:31:45,883 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:45,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 00:31:45,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:45,884 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:31:45,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:45,887 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2021-10-11 00:31:45,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:45,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125887657] [2021-10-11 00:31:45,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:45,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125887657] [2021-10-11 00:31:45,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:45,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 00:31:45,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134354102] [2021-10-11 00:31:45,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:45,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:45,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:45,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:45,958 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2021-10-11 00:31:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:45,982 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2021-10-11 00:31:45,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:45,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-10-11 00:31:45,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:45,984 INFO L225 Difference]: With dead ends: 12 [2021-10-11 00:31:45,986 INFO L226 Difference]: Without dead ends: 11 [2021-10-11 00:31:45,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:45,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-11 00:31:45,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-11 00:31:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-11 00:31:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-11 00:31:45,993 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2021-10-11 00:31:45,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:45,994 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-10-11 00:31:45,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-11 00:31:45,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 00:31:45,996 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:45,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:31:45,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:45,999 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:31:46,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:46,000 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2021-10-11 00:31:46,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:46,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514867194] [2021-10-11 00:31:46,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:46,022 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:46,045 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:46,066 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:46,066 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:31:46,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:31:46,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:46 BoogieIcfgContainer [2021-10-11 00:31:46,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:46,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:46,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:46,083 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:46,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:45" (3/4) ... [2021-10-11 00:31:46,086 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:31:46,137 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e98400-1486-4ad5-85d3-bc60e01be2c9/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:46,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:46,139 INFO L168 Benchmark]: Toolchain (without parser) took 1434.13 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.8 MB in the beginning and 57.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:46,139 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory is still 62.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:46,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.66 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.6 MB in the beginning and 76.8 MB in the end (delta: -30.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:46,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.67 ms. Allocated memory is still 98.6 MB. Free memory was 76.8 MB in the beginning and 75.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:46,141 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 ms. Allocated memory is still 98.6 MB. Free memory was 75.5 MB in the beginning and 74.7 MB in the end (delta: 778.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:46,142 INFO L168 Benchmark]: RCFGBuilder took 324.92 ms. Allocated memory is still 98.6 MB. Free memory was 74.4 MB in the beginning and 65.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:46,142 INFO L168 Benchmark]: TraceAbstraction took 762.51 ms. Allocated memory is still 98.6 MB. Free memory was 64.8 MB in the beginning and 59.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:46,147 INFO L168 Benchmark]: Witness Printer took 54.08 ms. Allocated memory is still 98.6 MB. Free memory was 58.6 MB in the beginning and 57.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:46,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory is still 62.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 232.66 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.6 MB in the beginning and 76.8 MB in the end (delta: -30.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.67 ms. Allocated memory is still 98.6 MB. Free memory was 76.8 MB in the beginning and 75.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.94 ms. Allocated memory is still 98.6 MB. Free memory was 75.5 MB in the beginning and 74.7 MB in the end (delta: 778.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 324.92 ms. Allocated memory is still 98.6 MB. Free memory was 74.4 MB in the beginning and 65.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 762.51 ms. Allocated memory is still 98.6 MB. Free memory was 64.8 MB in the beginning and 59.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Witness Printer took 54.08 ms. Allocated memory is still 98.6 MB. Free memory was 58.6 MB in the beginning and 57.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, tmp; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] tmp = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j [L22] EXPR tmp + 1 [L22] j = tmp + 1 [L23] k - 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 19 SDslu, 13 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...