./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN --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 d4616e8ba10c16e58949cfa33c8c89c80bd8772599efbd1c4bc12ee26de10857 --- 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-6b4ec56 [2022-11-20 10:46:42,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:42,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:42,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:42,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:42,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:42,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:42,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:42,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:42,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:42,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:42,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:42,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:42,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:42,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:42,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:42,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:42,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:42,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:42,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:42,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:42,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:42,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:42,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:42,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:42,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:42,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:42,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:42,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:42,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:42,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:42,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:42,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:42,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:42,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:42,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:42,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:42,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:42,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:42,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:42,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:42,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 10:46:42,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:42,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:42,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:42,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:42,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:42,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:42,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:42,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:42,826 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:42,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:42,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:46:42,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:46:42,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:42,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:46:42,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:42,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:46:42,829 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:46:42,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:46:42,829 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:42,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:46:42,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:42,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:42,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:42,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:42,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:42,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:42,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:46:42,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:46:42,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:46:42,832 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:46:42,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:46:42,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:46:42,833 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_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4616e8ba10c16e58949cfa33c8c89c80bd8772599efbd1c4bc12ee26de10857 [2022-11-20 10:46:43,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:43,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:43,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:43,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:43,289 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:43,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_good.i [2022-11-20 10:46:46,618 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:47,069 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:47,069 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_good.i [2022-11-20 10:46:47,098 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/data/234ff4058/d3f4148e407a4900bf87c2d8e3d0863d/FLAG8fdc44eb2 [2022-11-20 10:46:47,116 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/data/234ff4058/d3f4148e407a4900bf87c2d8e3d0863d [2022-11-20 10:46:47,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:47,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:47,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:47,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:47,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:47,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:47" (1/1) ... [2022-11-20 10:46:47,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622c5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:47, skipping insertion in model container [2022-11-20 10:46:47,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:47" (1/1) ... [2022-11-20 10:46:47,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:47,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:47,533 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:46:48,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:48,114 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:46:48,138 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:46:48,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:48,457 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:46:48,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48 WrapperNode [2022-11-20 10:46:48,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:48,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:48,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:46:48,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:46:48,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,543 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2022-11-20 10:46:48,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:48,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:46:48,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:46:48,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:46:48,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:46:48,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:46:48,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:46:48,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:46:48,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (1/1) ... [2022-11-20 10:46:48,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:48,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:48,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:46:48,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:46:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 10:46:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 10:46:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 10:46:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 10:46:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:46:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:46:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:46:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:46:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:46:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:46:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 10:46:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:46:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:46:48,822 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:46:48,824 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:46:49,085 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:46:49,092 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:46:49,093 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:46:49,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:49 BoogieIcfgContainer [2022-11-20 10:46:49,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:46:49,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:46:49,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:46:49,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:46:49,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:47" (1/3) ... [2022-11-20 10:46:49,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a111203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:49, skipping insertion in model container [2022-11-20 10:46:49,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:48" (2/3) ... [2022-11-20 10:46:49,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a111203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:49, skipping insertion in model container [2022-11-20 10:46:49,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:49" (3/3) ... [2022-11-20 10:46:49,107 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_66_good.i [2022-11-20 10:46:49,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:46:49,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 10:46:49,219 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:46:49,226 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;@196a9e31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:46:49,226 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 10:46:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 10:46:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 10:46:49,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:49,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:49,241 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)] === [2022-11-20 10:46:49,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:49,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1856215131, now seen corresponding path program 1 times [2022-11-20 10:46:49,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:49,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479225556] [2022-11-20 10:46:49,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:49,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:49,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:49,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:49,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479225556] [2022-11-20 10:46:49,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479225556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:49,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:49,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:49,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009490031] [2022-11-20 10:46:49,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:49,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:49,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:50,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:50,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:50,044 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:46:50,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:50,104 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-11-20 10:46:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:50,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-20 10:46:50,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:50,116 INFO L225 Difference]: With dead ends: 35 [2022-11-20 10:46:50,116 INFO L226 Difference]: Without dead ends: 23 [2022-11-20 10:46:50,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:50,129 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:50,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:50,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-20 10:46:50,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-20 10:46:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:46:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-11-20 10:46:50,181 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 9 [2022-11-20 10:46:50,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:50,181 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-20 10:46:50,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:46:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-20 10:46:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 10:46:50,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:50,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:50,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:46:50,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 10:46:50,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:50,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1471447565, now seen corresponding path program 1 times [2022-11-20 10:46:50,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:50,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141184312] [2022-11-20 10:46:50,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:50,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:50,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:50,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 10:46:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:50,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:50,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141184312] [2022-11-20 10:46:50,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141184312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:50,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:50,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:50,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426241262] [2022-11-20 10:46:50,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:50,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:50,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:50,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:50,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:50,413 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:46:50,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:50,424 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2022-11-20 10:46:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:50,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-20 10:46:50,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:50,427 INFO L225 Difference]: With dead ends: 23 [2022-11-20 10:46:50,427 INFO L226 Difference]: Without dead ends: 22 [2022-11-20 10:46:50,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:50,429 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:50,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 40 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:50,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-20 10:46:50,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-20 10:46:50,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:46:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-11-20 10:46:50,437 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 20 [2022-11-20 10:46:50,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:50,437 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-20 10:46:50,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:46:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-20 10:46:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 10:46:50,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:50,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:50,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:46:50,440 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 10:46:50,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:50,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1629765808, now seen corresponding path program 1 times [2022-11-20 10:46:50,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:50,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656666925] [2022-11-20 10:46:50,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:50,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:51,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 10:46:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:51,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:51,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656666925] [2022-11-20 10:46:51,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656666925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:51,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:51,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:46:51,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435270083] [2022-11-20 10:46:51,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:51,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:46:51,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:51,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:46:51,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:46:51,127 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:46:51,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:51,180 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-11-20 10:46:51,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:46:51,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-20 10:46:51,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:51,182 INFO L225 Difference]: With dead ends: 22 [2022-11-20 10:46:51,182 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:46:51,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:46:51,191 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:51,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:51,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:46:51,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:46:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-20 10:46:51,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:46:51,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-20 10:46:51,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:51,194 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:46:51,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:46:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:46:51,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:46:51,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-20 10:46:51,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-20 10:46:51,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-20 10:46:51,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-20 10:46:51,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:46:51,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:46:51,223 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 10:46:51,223 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 10:46:51,224 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 10:46:51,225 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 10:46:51,225 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 10:46:51,225 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 10:46:51,225 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 10:46:51,227 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2022-11-20 10:46:51,227 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:46:51,227 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1595) no Hoare annotation was computed. [2022-11-20 10:46:51,228 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1567) no Hoare annotation was computed. [2022-11-20 10:46:51,228 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1557) no Hoare annotation was computed. [2022-11-20 10:46:51,228 INFO L902 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: true [2022-11-20 10:46:51,228 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2022-11-20 10:46:51,228 INFO L902 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: true [2022-11-20 10:46:51,229 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-20 10:46:51,229 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2022-11-20 10:46:51,229 INFO L899 garLoopResultBuilder]: For program point L1601-1(lines 1590 1603) no Hoare annotation was computed. [2022-11-20 10:46:51,229 INFO L899 garLoopResultBuilder]: For program point L1568(lines 1568 1572) no Hoare annotation was computed. [2022-11-20 10:46:51,229 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:46:51,229 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2022-11-20 10:46:51,230 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1595) no Hoare annotation was computed. [2022-11-20 10:46:51,230 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:46:51,230 INFO L902 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: true [2022-11-20 10:46:51,230 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:46:51,230 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-20 10:46:51,231 INFO L899 garLoopResultBuilder]: For program point L1595(line 1595) no Hoare annotation was computed. [2022-11-20 10:46:51,232 INFO L899 garLoopResultBuilder]: For program point L1564-2(line 1564) no Hoare annotation was computed. [2022-11-20 10:46:51,232 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-11-20 10:46:51,233 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1602) no Hoare annotation was computed. [2022-11-20 10:46:51,233 INFO L902 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: true [2022-11-20 10:46:51,236 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 1581 1589) no Hoare annotation was computed. [2022-11-20 10:46:51,239 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-20 10:46:51,239 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-20 10:46:51,243 INFO L902 garLoopResultBuilder]: At program point L1579(lines 1573 1580) the Hoare annotation is: true [2022-11-20 10:46:51,247 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 10:46:51,250 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:46:51,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:46:51 BoogieIcfgContainer [2022-11-20 10:46:51,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:46:51,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:46:51,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:46:51,264 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:46:51,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:49" (3/4) ... [2022-11-20 10:46:51,269 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:46:51,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 10:46:51,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 10:46:51,287 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-20 10:46:51,287 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 10:46:51,288 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:46:51,288 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:46:51,350 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:46:51,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:46:51,351 INFO L158 Benchmark]: Toolchain (without parser) took 4228.78ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 114.0MB in the beginning and 63.9MB in the end (delta: 50.1MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2022-11-20 10:46:51,351 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:46:51,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1334.05ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 114.0MB in the beginning and 161.7MB in the end (delta: -47.7MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2022-11-20 10:46:51,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.84ms. Allocated memory is still 195.0MB. Free memory was 161.7MB in the beginning and 157.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:46:51,352 INFO L158 Benchmark]: Boogie Preprocessor took 31.12ms. Allocated memory is still 195.0MB. Free memory was 157.5MB in the beginning and 156.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:46:51,353 INFO L158 Benchmark]: RCFGBuilder took 519.57ms. Allocated memory is still 195.0MB. Free memory was 156.5MB in the beginning and 140.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:46:51,353 INFO L158 Benchmark]: TraceAbstraction took 2164.60ms. Allocated memory is still 195.0MB. Free memory was 139.7MB in the beginning and 68.2MB in the end (delta: 71.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2022-11-20 10:46:51,354 INFO L158 Benchmark]: Witness Printer took 86.43ms. Allocated memory is still 195.0MB. Free memory was 68.2MB in the beginning and 63.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:46:51,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1334.05ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 114.0MB in the beginning and 161.7MB in the end (delta: -47.7MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.84ms. Allocated memory is still 195.0MB. Free memory was 161.7MB in the beginning and 157.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.12ms. Allocated memory is still 195.0MB. Free memory was 157.5MB in the beginning and 156.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 519.57ms. Allocated memory is still 195.0MB. Free memory was 156.5MB in the beginning and 140.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2164.60ms. Allocated memory is still 195.0MB. Free memory was 139.7MB in the beginning and 68.2MB in the end (delta: 71.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * Witness Printer took 86.43ms. Allocated memory is still 195.0MB. Free memory was 68.2MB in the beginning and 63.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 184 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 76 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 8 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1573]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 10:46:51,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3cbee6-0371-4c74-ad1d-185e4eb2e5e0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE