./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.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_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/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_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/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_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/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 2227825b094336cea9cd81768b48348a309a725b ...................................................................................................................................................................................................................................................................................................................................................... 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 00:31:27,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:27,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:27,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:27,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:27,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:27,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:27,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:27,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:27,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:27,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:27,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:27,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:27,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:27,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:27,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:27,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:27,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:27,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:27,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:27,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:27,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:27,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:27,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:27,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:27,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:27,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:27,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:27,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:27,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:27,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:27,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:27,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:27,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:27,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:27,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:27,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:27,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:27,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:27,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:27,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:27,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-10-11 00:31:27,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:27,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:27,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:27,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:27,480 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:27,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:27,480 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:31:27,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:27,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:27,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:27,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:27,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:27,481 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 00:31:27,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:27,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:27,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:27,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:27,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:27,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:27,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:27,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:27,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:27,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:27,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:27,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:27,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:27,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:27,484 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_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2227825b094336cea9cd81768b48348a309a725b [2021-10-11 00:31:27,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:27,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:27,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:27,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:27,831 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:27,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2021-10-11 00:31:27,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC/data/6a98d7d0d/91757eb5a54540eba439e0909498e23f/FLAG2be0687f2 [2021-10-11 00:31:28,341 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:28,342 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2021-10-11 00:31:28,356 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC/data/6a98d7d0d/91757eb5a54540eba439e0909498e23f/FLAG2be0687f2 [2021-10-11 00:31:28,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC/data/6a98d7d0d/91757eb5a54540eba439e0909498e23f [2021-10-11 00:31:28,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:28,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:28,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:28,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:28,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:28,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:28,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389a9491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28, skipping insertion in model container [2021-10-11 00:31:28,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:28,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:28,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:28,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:28,938 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:28,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:28,980 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:28,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28 WrapperNode [2021-10-11 00:31:28,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:28,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:28,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:28,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:28,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:28,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:29,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:29,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:29,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:29,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:29,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:29,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:29,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:29,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:29,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:29,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:29,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... [2021-10-11 00:31:29,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:29,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:29,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:29,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:29,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/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 00:31:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:29,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:29,253 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:31:29,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:29 BoogieIcfgContainer [2021-10-11 00:31:29,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:29,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:29,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:29,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:29,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:28" (1/3) ... [2021-10-11 00:31:29,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38067fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:29, skipping insertion in model container [2021-10-11 00:31:29,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:28" (2/3) ... [2021-10-11 00:31:29,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38067fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:29, skipping insertion in model container [2021-10-11 00:31:29,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:29" (3/3) ... [2021-10-11 00:31:29,265 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-terminate.c [2021-10-11 00:31:29,279 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:29,281 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 00:31:29,291 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 00:31:29,315 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:29,315 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:29,315 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:29,315 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:29,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:29,315 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:29,316 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:29,316 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:29,328 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2021-10-11 00:31:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 00:31:29,332 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:29,332 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 00:31:29,333 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:31:29,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:29,338 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2021-10-11 00:31:29,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:29,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169052805] [2021-10-11 00:31:29,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:29,494 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 00:31:29,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169052805] [2021-10-11 00:31:29,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:29,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:29,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754661861] [2021-10-11 00:31:29,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:29,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:29,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:29,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:29,519 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2021-10-11 00:31:29,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:29,546 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-10-11 00:31:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:29,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-10-11 00:31:29,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:29,572 INFO L225 Difference]: With dead ends: 23 [2021-10-11 00:31:29,572 INFO L226 Difference]: Without dead ends: 10 [2021-10-11 00:31:29,575 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 00:31:29,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-11 00:31:29,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2021-10-11 00:31:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-11 00:31:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-11 00:31:29,639 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2021-10-11 00:31:29,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:29,639 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-10-11 00:31:29,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-11 00:31:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 00:31:29,640 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:29,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 00:31:29,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:29,641 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:31:29,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:29,642 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2021-10-11 00:31:29,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:29,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789918539] [2021-10-11 00:31:29,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:29,720 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 00:31:29,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789918539] [2021-10-11 00:31:29,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:29,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:29,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950907687] [2021-10-11 00:31:29,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:29,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:29,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:29,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:29,725 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2021-10-11 00:31:29,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:29,760 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2021-10-11 00:31:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:29,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2021-10-11 00:31:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:29,761 INFO L225 Difference]: With dead ends: 18 [2021-10-11 00:31:29,762 INFO L226 Difference]: Without dead ends: 17 [2021-10-11 00:31:29,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:29,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-11 00:31:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2021-10-11 00:31:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-11 00:31:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2021-10-11 00:31:29,771 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2021-10-11 00:31:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:29,771 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2021-10-11 00:31:29,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2021-10-11 00:31:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 00:31:29,772 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:29,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 00:31:29,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:29,774 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:31:29,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:29,777 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2021-10-11 00:31:29,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:29,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911126689] [2021-10-11 00:31:29,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:29,841 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 00:31:29,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911126689] [2021-10-11 00:31:29,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:29,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 00:31:29,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094515063] [2021-10-11 00:31:29,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:29,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:29,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:29,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:29,851 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2021-10-11 00:31:29,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:29,879 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2021-10-11 00:31:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:29,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-10-11 00:31:29,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:29,880 INFO L225 Difference]: With dead ends: 12 [2021-10-11 00:31:29,880 INFO L226 Difference]: Without dead ends: 11 [2021-10-11 00:31:29,881 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 00:31:29,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-11 00:31:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-11 00:31:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-11 00:31:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-11 00:31:29,887 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2021-10-11 00:31:29,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:29,888 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-10-11 00:31:29,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-11 00:31:29,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 00:31:29,889 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:29,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:31:29,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:29,889 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:31:29,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:29,891 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2021-10-11 00:31:29,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:29,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912963855] [2021-10-11 00:31:29,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:29,908 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:29,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:29,976 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:29,976 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:31:29,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:31:29,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:29 BoogieIcfgContainer [2021-10-11 00:31:29,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:29,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:29,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:29,998 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:29,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:29" (3/4) ... [2021-10-11 00:31:30,000 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:31:30,052 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ea1c8-1986-4b4e-973a-46039c4d5e58/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:30,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:30,055 INFO L168 Benchmark]: Toolchain (without parser) took 1309.50 ms. Allocated memory is still 113.2 MB. Free memory was 79.4 MB in the beginning and 47.4 MB in the end (delta: 32.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:30,058 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 113.2 MB. Free memory was 85.2 MB in the beginning and 85.1 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:30,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.82 ms. Allocated memory is still 113.2 MB. Free memory was 79.2 MB in the beginning and 90.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:30,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.15 ms. Allocated memory is still 113.2 MB. Free memory was 90.8 MB in the beginning and 89.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:30,063 INFO L168 Benchmark]: Boogie Preprocessor took 17.60 ms. Allocated memory is still 113.2 MB. Free memory was 89.7 MB in the beginning and 88.7 MB in the end (delta: 985.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:30,064 INFO L168 Benchmark]: RCFGBuilder took 228.89 ms. Allocated memory is still 113.2 MB. Free memory was 88.7 MB in the beginning and 79.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:30,064 INFO L168 Benchmark]: TraceAbstraction took 738.87 ms. Allocated memory is still 113.2 MB. Free memory was 78.8 MB in the beginning and 48.9 MB in the end (delta: 29.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:30,065 INFO L168 Benchmark]: Witness Printer took 56.48 ms. Allocated memory is still 113.2 MB. Free memory was 48.9 MB in the beginning and 47.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:30,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 113.2 MB. Free memory was 85.2 MB in the beginning and 85.1 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 234.82 ms. Allocated memory is still 113.2 MB. Free memory was 79.2 MB in the beginning and 90.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.15 ms. Allocated memory is still 113.2 MB. Free memory was 90.8 MB in the beginning and 89.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.60 ms. Allocated memory is still 113.2 MB. Free memory was 89.7 MB in the beginning and 88.7 MB in the end (delta: 985.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 228.89 ms. Allocated memory is still 113.2 MB. Free memory was 88.7 MB in the beginning and 79.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 738.87 ms. Allocated memory is still 113.2 MB. Free memory was 78.8 MB in the beginning and 48.9 MB in the end (delta: 29.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Witness Printer took 56.48 ms. Allocated memory is still 113.2 MB. Free memory was 48.9 MB in the beginning and 47.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, ell; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] COND TRUE i <= 100 && j <= k [L19] ell = i [L20] i = j [L21] EXPR ell + 1 [L21] j = ell + 1 [L22] 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: 26 SDtfs, 19 SDslu, 13 SDs, 0 SdLazy, 20 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 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...