./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R --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 2eb298a744878be66229235677744025700bc0d5323ce5c663bed98629ce3a59 --- 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-38b53e6 [2022-11-25 18:06:16,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:06:16,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:06:16,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:06:16,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:06:16,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:06:16,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:06:16,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:06:16,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:06:16,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:06:16,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:06:16,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:06:16,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:06:16,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:06:16,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:06:16,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:06:16,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:06:16,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:06:16,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:06:16,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:06:16,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:06:16,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:06:16,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:06:16,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:06:16,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:06:16,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:06:16,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:06:16,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:06:16,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:06:16,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:06:16,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:06:16,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:06:16,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:06:16,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:06:16,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:06:16,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:06:16,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:06:16,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:06:16,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:06:16,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:06:16,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:06:16,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 18:06:16,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:06:16,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:06:16,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:06:16,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:06:16,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:06:16,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:06:16,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:06:16,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:06:16,807 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:06:16,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:06:16,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:06:16,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:06:16,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:06:16,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:06:16,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:06:16,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:06:16,809 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:06:16,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:06:16,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:06:16,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:06:16,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:06:16,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:06:16,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:06:16,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:06:16,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:06:16,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:06:16,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:06:16,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:06:16,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:06:16,812 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:06:16,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:06:16,812 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:06:16,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:06:16,813 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2eb298a744878be66229235677744025700bc0d5323ce5c663bed98629ce3a59 [2022-11-25 18:06:17,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:06:17,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:06:17,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:06:17,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:06:17,158 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:06:17,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_good.i [2022-11-25 18:06:20,124 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:06:20,539 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:06:20,540 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_good.i [2022-11-25 18:06:20,561 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/data/dc4dbe018/7c379f2a552b42b48cb90909f00cf9c9/FLAGb496a0dba [2022-11-25 18:06:20,575 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/data/dc4dbe018/7c379f2a552b42b48cb90909f00cf9c9 [2022-11-25 18:06:20,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:06:20,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:06:20,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:06:20,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:06:20,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:06:20,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:06:20" (1/1) ... [2022-11-25 18:06:20,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8a4334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:20, skipping insertion in model container [2022-11-25 18:06:20,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:06:20" (1/1) ... [2022-11-25 18:06:20,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:06:20,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:06:21,082 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:06:21,624 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:06:21,633 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:06:21,637 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:06:21,649 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:06:21,651 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:06:21,699 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:06:21,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:06:21,723 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:06:21,758 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:06:21,827 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:06:21,829 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:06:21,831 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:06:21,842 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:06:21,843 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:06:21,847 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:06:21,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:06:21,994 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:06:21,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21 WrapperNode [2022-11-25 18:06:21,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:06:21,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:06:21,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:06:21,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:06:22,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,075 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 60 [2022-11-25 18:06:22,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:06:22,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:06:22,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:06:22,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:06:22,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:06:22,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:06:22,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:06:22,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:06:22,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (1/1) ... [2022-11-25 18:06:22,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:06:22,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:06:22,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:06:22,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:06:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 18:06:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 18:06:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 18:06:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 18:06:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:06:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:06:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:06:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 18:06:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:06:22,406 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:06:22,408 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:06:22,585 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:06:22,591 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:06:22,592 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:06:22,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:06:22 BoogieIcfgContainer [2022-11-25 18:06:22,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:06:22,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:06:22,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:06:22,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:06:22,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:06:20" (1/3) ... [2022-11-25 18:06:22,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffaa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:06:22, skipping insertion in model container [2022-11-25 18:06:22,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:21" (2/3) ... [2022-11-25 18:06:22,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffaa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:06:22, skipping insertion in model container [2022-11-25 18:06:22,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:06:22" (3/3) ... [2022-11-25 18:06:22,602 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_61_good.i [2022-11-25 18:06:22,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:06:22,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 18:06:22,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:06:22,671 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;@7096414b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:06:22,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 18:06:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 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) [2022-11-25 18:06:22,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 18:06:22,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:22,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:22,682 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)] === [2022-11-25 18:06:22,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:22,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1023073159, now seen corresponding path program 1 times [2022-11-25 18:06:22,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:22,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096782088] [2022-11-25 18:06:22,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:22,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:06:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:23,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:23,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096782088] [2022-11-25 18:06:23,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096782088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:23,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:23,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:06:23,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587382011] [2022-11-25 18:06:23,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:23,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:06:23,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:23,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:06:23,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:06:23,146 INFO L87 Difference]: Start difference. First operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 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 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-25 18:06:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:23,225 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-25 18:06:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:06:23,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 10 [2022-11-25 18:06:23,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:23,236 INFO L225 Difference]: With dead ends: 33 [2022-11-25 18:06:23,237 INFO L226 Difference]: Without dead ends: 23 [2022-11-25 18:06:23,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:06:23,245 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 33 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:23,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 60 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:06:23,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-25 18:06:23,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-25 18:06:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.1875) internal successors, (19), 18 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) [2022-11-25 18:06:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-11-25 18:06:23,303 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 10 [2022-11-25 18:06:23,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:23,305 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-11-25 18:06:23,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-25 18:06:23,307 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-11-25 18:06:23,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 18:06:23,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:23,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:23,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:06:23,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 18:06:23,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:23,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1650496807, now seen corresponding path program 1 times [2022-11-25 18:06:23,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:23,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436448107] [2022-11-25 18:06:23,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:23,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:06:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:23,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:23,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436448107] [2022-11-25 18:06:23,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436448107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:23,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:23,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:06:23,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296227248] [2022-11-25 18:06:23,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:23,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:06:23,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:23,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:06:23,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:06:23,433 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-25 18:06:23,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:23,443 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-11-25 18:06:23,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:06:23,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2022-11-25 18:06:23,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:23,444 INFO L225 Difference]: With dead ends: 23 [2022-11-25 18:06:23,444 INFO L226 Difference]: Without dead ends: 22 [2022-11-25 18:06:23,445 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 [2022-11-25 18:06:23,446 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:23,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 31 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:06:23,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-25 18:06:23,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-25 18:06:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 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) [2022-11-25 18:06:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-11-25 18:06:23,453 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 11 [2022-11-25 18:06:23,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:23,453 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-11-25 18:06:23,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-25 18:06:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-11-25 18:06:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 18:06:23,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:23,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:23,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:06:23,455 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 18:06:23,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:23,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1516185565, now seen corresponding path program 1 times [2022-11-25 18:06:23,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:23,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667774366] [2022-11-25 18:06:23,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:23,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:06:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:06:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:23,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:23,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667774366] [2022-11-25 18:06:23,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667774366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:23,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:23,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:06:23,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722505251] [2022-11-25 18:06:23,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:23,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:06:23,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:23,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:06:23,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:06:23,542 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 18:06:23,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:23,567 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-11-25 18:06:23,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:06:23,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 19 [2022-11-25 18:06:23,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:23,572 INFO L225 Difference]: With dead ends: 22 [2022-11-25 18:06:23,573 INFO L226 Difference]: Without dead ends: 21 [2022-11-25 18:06:23,573 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 [2022-11-25 18:06:23,577 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35 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 [2022-11-25 18:06:23,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 35 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:06:23,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-25 18:06:23,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-25 18:06:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 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) [2022-11-25 18:06:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-25 18:06:23,590 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2022-11-25 18:06:23,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:23,591 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-11-25 18:06:23,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 18:06:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-25 18:06:23,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 18:06:23,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:23,594 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] [2022-11-25 18:06:23,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:06:23,595 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 18:06:23,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:23,599 INFO L85 PathProgramCache]: Analyzing trace with hash -242887679, now seen corresponding path program 1 times [2022-11-25 18:06:23,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:23,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208782701] [2022-11-25 18:06:23,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:23,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:06:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:06:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:23,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:23,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208782701] [2022-11-25 18:06:23,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208782701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:23,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:23,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:06:23,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566176265] [2022-11-25 18:06:23,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:23,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:06:23,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:23,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:06:23,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:06:23,737 INFO L87 Difference]: Start difference. First operand 21 states and 21 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) [2022-11-25 18:06:23,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:23,753 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-11-25 18:06:23,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:06:23,754 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 [2022-11-25 18:06:23,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:23,755 INFO L225 Difference]: With dead ends: 21 [2022-11-25 18:06:23,755 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:06:23,755 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 [2022-11-25 18:06:23,757 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:23,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:06:23,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:06:23,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:06:23,765 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) [2022-11-25 18:06:23,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:06:23,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-25 18:06:23,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:23,766 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:06:23,767 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) [2022-11-25 18:06:23,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:06:23,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:06:23,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 18:06:23,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 18:06:23,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 18:06:23,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 18:06:23,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:06:23,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:06:23,864 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 18:06:23,865 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:06:23,865 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 18:06:23,865 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:06:23,866 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:06:23,867 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 18:06:23,867 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:06:23,869 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-11-25 18:06:23,870 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:06:23,870 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-25 18:06:23,870 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-11-25 18:06:23,873 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2022-11-25 18:06:23,873 INFO L899 garLoopResultBuilder]: For program point L1565(lines 1565 1573) no Hoare annotation was computed. [2022-11-25 18:06:23,875 INFO L895 garLoopResultBuilder]: At program point L1596(lines 1593 1597) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G_~data~1#1| 2147483647) (not (<= (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648) 0)) (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= |ULTIMATE.start_goodG2B_~data~0#1| 2147483647) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_min_sub_61b_goodG2BSource_#res#1|))) [2022-11-25 18:06:23,875 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-25 18:06:23,876 INFO L899 garLoopResultBuilder]: For program point L1555-1(line 1555) no Hoare annotation was computed. [2022-11-25 18:06:23,876 INFO L895 garLoopResultBuilder]: At program point L1586(lines 1580 1587) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_min_sub_61b_goodG2BSource_#res#1|))) [2022-11-25 18:06:23,881 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_min_sub_61b_goodG2BSource_#res#1|))) [2022-11-25 18:06:23,882 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1560 1574) no Hoare annotation was computed. [2022-11-25 18:06:23,882 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_min_sub_61b_goodG2BSource_#res#1|))) [2022-11-25 18:06:23,882 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:06:23,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-11-25 18:06:23,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-11-25 18:06:23,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:06:23,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:06:23,883 INFO L895 garLoopResultBuilder]: At program point L1591(lines 1588 1592) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= |ULTIMATE.start_goodG2B_~data~0#1| 2147483647) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_min_sub_61b_goodG2BSource_#res#1|))) [2022-11-25 18:06:23,884 INFO L895 garLoopResultBuilder]: At program point L1556(line 1556) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= |ULTIMATE.start_goodG2B_~data~0#1| 2147483647) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_min_sub_61b_goodG2BSource_#res#1|))) [2022-11-25 18:06:23,884 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1549 1558) no Hoare annotation was computed. [2022-11-25 18:06:23,884 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_min_sub_61b_goodG2BSource_#res#1|))) [2022-11-25 18:06:23,884 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-25 18:06:23,884 INFO L902 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true [2022-11-25 18:06:23,885 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-25 18:06:23,885 INFO L899 garLoopResultBuilder]: For program point L1575(lines 1575 1579) no Hoare annotation was computed. [2022-11-25 18:06:23,888 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 18:06:23,894 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:06:23,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:06:23 BoogieIcfgContainer [2022-11-25 18:06:23,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:06:23,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:06:23,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:06:23,916 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:06:23,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:06:22" (3/4) ... [2022-11-25 18:06:23,920 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:06:23,927 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 18:06:23,927 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 18:06:23,932 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 18:06:23,932 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 18:06:23,933 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 18:06:23,933 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:06:23,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 <= data + 2 && 0 <= 2 + \result [2022-11-25 18:06:23,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 <= data + 2 && data <= 2147483647) && 0 <= 2 + \result [2022-11-25 18:06:23,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((data <= 2147483647 && !(data + 2147483648 <= 0)) && 0 <= data + 2) && data <= 2147483647) && 0 <= 2 + \result [2022-11-25 18:06:23,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:06:23,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:06:23,971 INFO L158 Benchmark]: Toolchain (without parser) took 3391.34ms. Allocated memory is still 176.2MB. Free memory was 142.0MB in the beginning and 69.6MB in the end (delta: 72.3MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2022-11-25 18:06:23,971 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:06:23,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1413.27ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 79.1MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-25 18:06:23,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.13ms. Allocated memory is still 176.2MB. Free memory was 79.1MB in the beginning and 75.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:06:23,972 INFO L158 Benchmark]: Boogie Preprocessor took 50.08ms. Allocated memory is still 176.2MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:06:23,973 INFO L158 Benchmark]: RCFGBuilder took 465.93ms. Allocated memory is still 176.2MB. Free memory was 74.2MB in the beginning and 136.7MB in the end (delta: -62.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 18:06:23,973 INFO L158 Benchmark]: TraceAbstraction took 1319.41ms. Allocated memory is still 176.2MB. Free memory was 136.7MB in the beginning and 72.7MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-25 18:06:23,973 INFO L158 Benchmark]: Witness Printer took 54.53ms. Allocated memory is still 176.2MB. Free memory was 72.7MB in the beginning and 69.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:06:23,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1413.27ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 79.1MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.13ms. Allocated memory is still 176.2MB. Free memory was 79.1MB in the beginning and 75.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.08ms. Allocated memory is still 176.2MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.93ms. Allocated memory is still 176.2MB. Free memory was 74.2MB in the beginning and 136.7MB in the end (delta: -62.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1319.41ms. Allocated memory is still 176.2MB. Free memory was 136.7MB in the beginning and 72.7MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 54.53ms. Allocated memory is still 176.2MB. Free memory was 72.7MB in the beginning and 69.6MB in the end (delta: 3.1MB). 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 - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: 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, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 89 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 98 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 1593]: Loop Invariant Derived loop invariant: (((data <= 2147483647 && !(data + 2147483648 <= 0)) && 0 <= data + 2) && data <= 2147483647) && 0 <= 2 + \result - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 0 <= data + 2 && 0 <= 2 + \result - InvariantResult [Line: 1588]: Loop Invariant Derived loop invariant: (0 <= data + 2 && data <= 2147483647) && 0 <= 2 + \result RESULT: Ultimate proved your program to be correct! [2022-11-25 18:06:23,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f123e6c3-2337-4323-b887-fa38ed9313d5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE