./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/sum_array-2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/sum_array-2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e94a2410b8f9c85a45197b99fd856588e050ecf98cb4c3bee10ba4be0dc2732 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:08:10,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:08:10,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:08:10,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:08:10,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:08:10,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:08:10,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:08:10,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:08:10,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:08:10,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:08:10,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:08:10,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:08:10,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:08:10,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:08:10,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:08:10,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:08:10,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:08:10,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:08:10,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:08:10,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:08:10,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:08:10,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:08:10,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:08:10,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:08:10,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:08:10,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:08:10,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:08:10,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:08:10,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:08:10,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:08:10,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:08:10,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:08:10,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:08:10,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:08:10,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:08:10,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:08:10,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:08:10,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:08:10,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:08:10,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:08:10,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:08:10,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:08:10,557 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:08:10,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:08:10,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:08:10,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:08:10,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:08:10,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:08:10,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:08:10,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:08:10,560 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:08:10,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:08:10,561 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:08:10,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:08:10,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:08:10,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:08:10,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:08:10,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:08:10,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:08:10,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:08:10,562 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:08:10,563 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:08:10,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:08:10,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:08:10,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:08:10,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:08:10,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:08:10,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:08:10,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:08:10,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:08:10,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:08:10,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:08:10,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:08:10,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:08:10,565 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:08:10,566 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:08:10,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:08:10,566 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_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e94a2410b8f9c85a45197b99fd856588e050ecf98cb4c3bee10ba4be0dc2732 [2022-11-18 20:08:10,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:08:10,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:08:10,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:08:10,884 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:08:10,885 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:08:10,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/loops/sum_array-2-1.i [2022-11-18 20:08:10,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/data/48f75efe4/4c09bcf07d3148a5912e42d28427729a/FLAG80e61b8a0 [2022-11-18 20:08:11,509 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:08:11,509 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/sv-benchmarks/c/loops/sum_array-2-1.i [2022-11-18 20:08:11,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/data/48f75efe4/4c09bcf07d3148a5912e42d28427729a/FLAG80e61b8a0 [2022-11-18 20:08:11,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/data/48f75efe4/4c09bcf07d3148a5912e42d28427729a [2022-11-18 20:08:11,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:08:11,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:08:11,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:08:11,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:08:11,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:08:11,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:11" (1/1) ... [2022-11-18 20:08:11,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313b6669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:11, skipping insertion in model container [2022-11-18 20:08:11,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:11" (1/1) ... [2022-11-18 20:08:11,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:08:11,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:08:12,131 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/sv-benchmarks/c/loops/sum_array-2-1.i[940,953] [2022-11-18 20:08:12,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:08:12,161 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:08:12,174 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/sv-benchmarks/c/loops/sum_array-2-1.i[940,953] [2022-11-18 20:08:12,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:08:12,199 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:08:12,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12 WrapperNode [2022-11-18 20:08:12,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:08:12,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:08:12,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:08:12,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:08:12,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,245 INFO L138 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-11-18 20:08:12,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:08:12,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:08:12,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:08:12,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:08:12,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,307 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:08:12,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:08:12,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:08:12,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:08:12,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (1/1) ... [2022-11-18 20:08:12,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:08:12,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:12,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:12,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:08:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:08:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:08:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:08:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:08:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:08:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:08:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:08:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:08:12,463 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:08:12,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:08:12,689 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:08:12,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:08:12,696 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 20:08:12,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:12 BoogieIcfgContainer [2022-11-18 20:08:12,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:08:12,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:08:12,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:08:12,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:08:12,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:08:11" (1/3) ... [2022-11-18 20:08:12,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681fcab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:08:12, skipping insertion in model container [2022-11-18 20:08:12,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:12" (2/3) ... [2022-11-18 20:08:12,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681fcab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:08:12, skipping insertion in model container [2022-11-18 20:08:12,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:12" (3/3) ... [2022-11-18 20:08:12,707 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array-2-1.i [2022-11-18 20:08:12,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:08:12,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-18 20:08:12,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:08:12,803 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f7ffb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:08:12,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-18 20:08:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 20:08:12,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:12,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:12,824 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-18 20:08:12,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:12,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1623807764, now seen corresponding path program 1 times [2022-11-18 20:08:12,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:12,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038118709] [2022-11-18 20:08:12,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:12,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:08:13,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:13,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038118709] [2022-11-18 20:08:13,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038118709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:13,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:13,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:08:13,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384517263] [2022-11-18 20:08:13,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:13,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:08:13,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:13,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:08:13,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:08:13,139 INFO L87 Difference]: Start difference. First operand has 31 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:13,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:13,167 INFO L93 Difference]: Finished difference Result 56 states and 74 transitions. [2022-11-18 20:08:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:08:13,169 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-18 20:08:13,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:13,178 INFO L225 Difference]: With dead ends: 56 [2022-11-18 20:08:13,179 INFO L226 Difference]: Without dead ends: 26 [2022-11-18 20:08:13,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:08:13,187 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:13,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:08:13,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-18 20:08:13,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-18 20:08:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-11-18 20:08:13,268 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 9 [2022-11-18 20:08:13,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:13,269 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-11-18 20:08:13,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:13,270 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-11-18 20:08:13,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 20:08:13,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:13,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:13,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:08:13,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-18 20:08:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:13,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1308887103, now seen corresponding path program 1 times [2022-11-18 20:08:13,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:13,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664260668] [2022-11-18 20:08:13,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:13,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:08:13,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:13,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664260668] [2022-11-18 20:08:13,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664260668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:13,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:13,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:08:13,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185294117] [2022-11-18 20:08:13,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:13,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:08:13,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:13,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:08:13,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:08:13,580 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:13,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:13,742 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2022-11-18 20:08:13,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:08:13,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-18 20:08:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:13,744 INFO L225 Difference]: With dead ends: 71 [2022-11-18 20:08:13,744 INFO L226 Difference]: Without dead ends: 46 [2022-11-18 20:08:13,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:08:13,746 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 26 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:13,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 44 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:08:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-18 20:08:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2022-11-18 20:08:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.28) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-18 20:08:13,754 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 9 [2022-11-18 20:08:13,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:13,755 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-18 20:08:13,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-18 20:08:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 20:08:13,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:13,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:13,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:08:13,757 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-18 20:08:13,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:13,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1639772520, now seen corresponding path program 1 times [2022-11-18 20:08:13,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:13,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942118325] [2022-11-18 20:08:13,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:08:15,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:15,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942118325] [2022-11-18 20:08:15,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942118325] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:08:15,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837605070] [2022-11-18 20:08:15,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:15,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:08:15,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:15,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:08:15,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:08:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:15,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-18 20:08:15,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:15,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-18 20:08:16,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 20:08:16,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-18 20:08:16,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-18 20:08:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:08:16,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:08:17,108 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:08:17,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 113 [2022-11-18 20:08:17,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2022-11-18 20:08:17,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-18 20:08:17,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:08:17,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-18 20:08:17,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-18 20:08:17,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2022-11-18 20:08:17,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 142 [2022-11-18 20:08:17,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-18 20:08:17,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2022-11-18 20:08:17,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2022-11-18 20:08:17,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 142 [2022-11-18 20:08:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:08:17,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837605070] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:08:17,757 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:08:17,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2022-11-18 20:08:17,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713839717] [2022-11-18 20:08:17,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:08:17,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-18 20:08:17,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:17,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 20:08:17,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2022-11-18 20:08:17,763 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 26 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:18,934 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-11-18 20:08:18,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-18 20:08:18,935 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-18 20:08:18,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:18,936 INFO L225 Difference]: With dead ends: 69 [2022-11-18 20:08:18,936 INFO L226 Difference]: Without dead ends: 68 [2022-11-18 20:08:18,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=356, Invalid=1366, Unknown=0, NotChecked=0, Total=1722 [2022-11-18 20:08:18,938 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 94 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:18,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 181 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 250 Invalid, 0 Unknown, 67 Unchecked, 0.3s Time] [2022-11-18 20:08:18,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-18 20:08:18,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 40. [2022-11-18 20:08:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.25) internal successors, (45), 39 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-18 20:08:18,947 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 15 [2022-11-18 20:08:18,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:18,948 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-18 20:08:18,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-18 20:08:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 20:08:18,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:18,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:18,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:19,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:08:19,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-18 20:08:19,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:19,159 INFO L85 PathProgramCache]: Analyzing trace with hash 706659519, now seen corresponding path program 1 times [2022-11-18 20:08:19,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:19,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805494661] [2022-11-18 20:08:19,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:19,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:19,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:19,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:19,281 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:08:19,282 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-18 20:08:19,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-18 20:08:19,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-18 20:08:19,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-18 20:08:19,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:08:19,291 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-18 20:08:19,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:08:19,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:08:19 BoogieIcfgContainer [2022-11-18 20:08:19,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:08:19,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:08:19,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:08:19,345 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:08:19,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:12" (3/4) ... [2022-11-18 20:08:19,347 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 20:08:19,406 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32e7663-dfd2-4b69-8c6f-ccb56f81be20/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:08:19,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:08:19,408 INFO L158 Benchmark]: Toolchain (without parser) took 7530.50ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 101.3MB in the beginning and 71.1MB in the end (delta: 30.3MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-11-18 20:08:19,408 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:08:19,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.52ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 109.5MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:08:19,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.56ms. Allocated memory is still 136.3MB. Free memory was 109.5MB in the beginning and 107.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:08:19,410 INFO L158 Benchmark]: Boogie Preprocessor took 57.15ms. Allocated memory is still 136.3MB. Free memory was 107.8MB in the beginning and 106.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:08:19,410 INFO L158 Benchmark]: RCFGBuilder took 387.87ms. Allocated memory is still 136.3MB. Free memory was 106.1MB in the beginning and 93.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:08:19,411 INFO L158 Benchmark]: TraceAbstraction took 6642.95ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 92.3MB in the beginning and 73.2MB in the end (delta: 19.1MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2022-11-18 20:08:19,411 INFO L158 Benchmark]: Witness Printer took 62.93ms. Allocated memory is still 184.5MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:08:19,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.52ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 109.5MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.56ms. Allocated memory is still 136.3MB. Free memory was 109.5MB in the beginning and 107.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.15ms. Allocated memory is still 136.3MB. Free memory was 107.8MB in the beginning and 106.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.87ms. Allocated memory is still 136.3MB. Free memory was 106.1MB in the beginning and 93.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6642.95ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 92.3MB in the beginning and 73.2MB in the end (delta: 19.1MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 62.93ms. Allocated memory is still 184.5MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 42]: integer overflow possible integer overflow possible We found a FailurePath: [L27] unsigned int M = __VERIFIER_nondet_uint(); [L28] COND FALSE !(M > 1000000) [L31] int A[M], B[M], C[M]; [L32] unsigned int i; [L33] i=0 VAL [A={6:0}, B={3:0}, C={5:0}, i=0, M=1] [L33] COND TRUE i