./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_54_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_54_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8 --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 fc3b852800bf64d927be7fb7053dd546b9ce9e5451c2ef8f21ede749f2cc4ae4 --- 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-2329fc7 [2022-12-13 18:32:02,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:32:02,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:32:02,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:32:02,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:32:02,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:32:02,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:32:02,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:32:02,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:32:02,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:32:02,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:32:02,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:32:02,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:32:02,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:32:02,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:32:02,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:32:02,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:32:02,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:32:02,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:32:02,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:32:02,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:32:02,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:32:02,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:32:02,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:32:02,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:32:02,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:32:02,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:32:02,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:32:02,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:32:02,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:32:02,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:32:02,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:32:02,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:32:02,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:32:02,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:32:02,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:32:02,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:32:02,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:32:02,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:32:02,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:32:02,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:32:02,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:32:02,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:32:02,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:32:02,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:32:02,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:32:02,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:32:02,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:32:02,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:32:02,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:32:02,868 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:32:02,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:32:02,868 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:32:02,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:32:02,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:32:02,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:32:02,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:32:02,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:32:02,869 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:32:02,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:32:02,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:32:02,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:32:02,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:32:02,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:32:02,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:32:02,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:32:02,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:32:02,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:32:02,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:32:02,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:32:02,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:32:02,872 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:32:02,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:32:02,872 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:32:02,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:32:02,873 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:32:02,873 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_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc3b852800bf64d927be7fb7053dd546b9ce9e5451c2ef8f21ede749f2cc4ae4 [2022-12-13 18:32:03,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:32:03,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:32:03,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:32:03,062 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:32:03,062 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:32:03,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_54_good.i [2022-12-13 18:32:05,644 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:32:05,856 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:32:05,856 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_54_good.i [2022-12-13 18:32:05,868 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/data/77a23b30a/a011859e716a4756b5dd246a5be61b1a/FLAGbfc9f9065 [2022-12-13 18:32:05,879 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/data/77a23b30a/a011859e716a4756b5dd246a5be61b1a [2022-12-13 18:32:05,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:32:05,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:32:05,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:32:05,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:32:05,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:32:05,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:32:05" (1/1) ... [2022-12-13 18:32:05,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6ba98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:05, skipping insertion in model container [2022-12-13 18:32:05,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:32:05" (1/1) ... [2022-12-13 18:32:05,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:32:05,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:32:06,229 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:32:06,502 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:32:06,506 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:32:06,507 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:32:06,509 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:32:06,510 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:32:06,529 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:32:06,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:32:06,545 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:32:06,558 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:32:06,592 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:32:06,593 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:32:06,594 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:32:06,596 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:32:06,596 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:32:06,599 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:32:06,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:32:06,729 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:32:06,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06 WrapperNode [2022-12-13 18:32:06,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:32:06,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:32:06,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:32:06,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:32:06,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,775 INFO L138 Inliner]: procedures = 509, calls = 72, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 74 [2022-12-13 18:32:06,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:32:06,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:32:06,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:32:06,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:32:06,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:32:06,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:32:06,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:32:06,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:32:06,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (1/1) ... [2022-12-13 18:32:06,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:32:06,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:32:06,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:32:06,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:32:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 18:32:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 18:32:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:32:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:32:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:32:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:32:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:32:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:32:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:32:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:32:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:32:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:32:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:32:06,981 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:32:06,983 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:32:07,113 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:32:07,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:32:07,119 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:32:07,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:32:07 BoogieIcfgContainer [2022-12-13 18:32:07,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:32:07,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:32:07,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:32:07,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:32:07,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:32:05" (1/3) ... [2022-12-13 18:32:07,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b0f8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:32:07, skipping insertion in model container [2022-12-13 18:32:07,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:06" (2/3) ... [2022-12-13 18:32:07,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b0f8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:32:07, skipping insertion in model container [2022-12-13 18:32:07,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:32:07" (3/3) ... [2022-12-13 18:32:07,130 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_54_good.i [2022-12-13 18:32:07,148 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:32:07,148 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 18:32:07,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:32:07,198 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;@15b6601a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:32:07,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 18:32:07,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 32 states have internal predecessors, (33), 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) [2022-12-13 18:32:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 18:32:07,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:32:07,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:32:07,207 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)] === [2022-12-13 18:32:07,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:32:07,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1713659217, now seen corresponding path program 1 times [2022-12-13 18:32:07,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:32:07,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155055465] [2022-12-13 18:32:07,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:32:07,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:32:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:32:07,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:32:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:32:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:32:07,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:32:07,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155055465] [2022-12-13 18:32:07,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155055465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:32:07,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:32:07,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:32:07,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239260947] [2022-12-13 18:32:07,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:32:07,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:32:07,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:32:07,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:32:07,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:32:07,500 INFO L87 Difference]: Start difference. First operand has 39 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 32 states have internal predecessors, (33), 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) [2022-12-13 18:32:07,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:32:07,522 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2022-12-13 18:32:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:32:07,524 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 [2022-12-13 18:32:07,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:32:07,531 INFO L225 Difference]: With dead ends: 39 [2022-12-13 18:32:07,531 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 18:32:07,534 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 [2022-12-13 18:32:07,537 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 77 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 [2022-12-13 18:32:07,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 77 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:32:07,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 18:32:07,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-13 18:32:07,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 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) [2022-12-13 18:32:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-12-13 18:32:07,571 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 9 [2022-12-13 18:32:07,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:32:07,571 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-12-13 18:32:07,572 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) [2022-12-13 18:32:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-12-13 18:32:07,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 18:32:07,572 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:32:07,573 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] [2022-12-13 18:32:07,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:32:07,573 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)] === [2022-12-13 18:32:07,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:32:07,574 INFO L85 PathProgramCache]: Analyzing trace with hash 378476248, now seen corresponding path program 1 times [2022-12-13 18:32:07,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:32:07,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083757114] [2022-12-13 18:32:07,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:32:07,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:32:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:32:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:32:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:32:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 18:32:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:32:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:32:07,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:32:07,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083757114] [2022-12-13 18:32:07,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083757114] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:32:07,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:32:07,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:32:07,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486169058] [2022-12-13 18:32:07,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:32:07,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:32:07,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:32:07,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:32:07,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:32:07,790 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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) [2022-12-13 18:32:07,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:32:07,796 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-12-13 18:32:07,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:32:07,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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 [2022-12-13 18:32:07,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:32:07,797 INFO L225 Difference]: With dead ends: 24 [2022-12-13 18:32:07,797 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 18:32:07,797 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 [2022-12-13 18:32:07,799 INFO L413 NwaCegarLoop]: 20 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, 39 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 [2022-12-13 18:32:07,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:32:07,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 18:32:07,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-13 18:32:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.0555555555555556) 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) [2022-12-13 18:32:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-12-13 18:32:07,803 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2022-12-13 18:32:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:32:07,803 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-12-13 18:32:07,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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) [2022-12-13 18:32:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-12-13 18:32:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 18:32:07,804 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:32:07,804 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, 1] [2022-12-13 18:32:07,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:32:07,804 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)] === [2022-12-13 18:32:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:32:07,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1152138134, now seen corresponding path program 1 times [2022-12-13 18:32:07,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:32:07,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472517680] [2022-12-13 18:32:07,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:32:07,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:32:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:32:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:32:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:32:07,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 18:32:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:32:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:32:07,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:32:07,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472517680] [2022-12-13 18:32:07,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472517680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:32:07,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:32:07,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:32:07,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117894035] [2022-12-13 18:32:07,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:32:07,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:32:07,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:32:07,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:32:07,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:32:07,850 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-12-13 18:32:07,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:32:07,857 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-12-13 18:32:07,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:32:07,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 22 [2022-12-13 18:32:07,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:32:07,858 INFO L225 Difference]: With dead ends: 23 [2022-12-13 18:32:07,858 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:32:07,858 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 [2022-12-13 18:32:07,859 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:32:07,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:32:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:32:07,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:32:07,860 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) [2022-12-13 18:32:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:32:07,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-12-13 18:32:07,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:32:07,860 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:32:07,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-12-13 18:32:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:32:07,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:32:07,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 18:32:07,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 18:32:07,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 18:32:07,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 18:32:07,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:32:07,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:32:07,876 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 18:32:07,876 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:32:07,876 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 18:32:07,876 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:32:07,876 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 18:32:07,877 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:32:07,877 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:32:07,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-12-13 18:32:07,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:32:07,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1619) no Hoare annotation was computed. [2022-12-13 18:32:07,877 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1601) no Hoare annotation was computed. [2022-12-13 18:32:07,877 INFO L902 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: true [2022-12-13 18:32:07,877 INFO L899 garLoopResultBuilder]: For program point L1625-1(lines 1615 1627) no Hoare annotation was computed. [2022-12-13 18:32:07,878 INFO L902 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: true [2022-12-13 18:32:07,878 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1563) no Hoare annotation was computed. [2022-12-13 18:32:07,878 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1591) no Hoare annotation was computed. [2022-12-13 18:32:07,878 INFO L899 garLoopResultBuilder]: For program point L1619(line 1619) no Hoare annotation was computed. [2022-12-13 18:32:07,878 INFO L899 garLoopResultBuilder]: For program point L1619-1(line 1619) no Hoare annotation was computed. [2022-12-13 18:32:07,878 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1626) no Hoare annotation was computed. [2022-12-13 18:32:07,879 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2022-12-13 18:32:07,879 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1581) no Hoare annotation was computed. [2022-12-13 18:32:07,879 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:32:07,879 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1569 1576) the Hoare annotation is: true [2022-12-13 18:32:07,879 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-12-13 18:32:07,879 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-12-13 18:32:07,879 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true [2022-12-13 18:32:07,879 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-12-13 18:32:07,880 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1606) no Hoare annotation was computed. [2022-12-13 18:32:07,880 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:32:07,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-12-13 18:32:07,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1619) no Hoare annotation was computed. [2022-12-13 18:32:07,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:32:07,880 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1568) no Hoare annotation was computed. [2022-12-13 18:32:07,880 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1596) no Hoare annotation was computed. [2022-12-13 18:32:07,880 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1586) no Hoare annotation was computed. [2022-12-13 18:32:07,881 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-12-13 18:32:07,881 INFO L899 garLoopResultBuilder]: For program point L1612-1(lines 1607 1614) no Hoare annotation was computed. [2022-12-13 18:32:07,881 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2022-12-13 18:32:07,881 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2022-12-13 18:32:07,884 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 18:32:07,885 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:32:07,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:32:07 BoogieIcfgContainer [2022-12-13 18:32:07,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:32:07,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:32:07,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:32:07,892 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:32:07,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:32:07" (3/4) ... [2022-12-13 18:32:07,894 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:32:07,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 18:32:07,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 18:32:07,902 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-13 18:32:07,902 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-13 18:32:07,902 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:32:07,903 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:32:07,929 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:32:07,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:32:07,930 INFO L158 Benchmark]: Toolchain (without parser) took 2047.63ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 93.7MB in the beginning and 77.7MB in the end (delta: 16.0MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2022-12-13 18:32:07,930 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:32:07,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 846.52ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 93.2MB in the beginning and 112.4MB in the end (delta: -19.2MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2022-12-13 18:32:07,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.79ms. Allocated memory is still 167.8MB. Free memory was 112.4MB in the beginning and 109.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:32:07,931 INFO L158 Benchmark]: Boogie Preprocessor took 26.35ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:32:07,931 INFO L158 Benchmark]: RCFGBuilder took 318.21ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 93.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:32:07,931 INFO L158 Benchmark]: TraceAbstraction took 767.38ms. Allocated memory is still 167.8MB. Free memory was 92.6MB in the beginning and 80.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-12-13 18:32:07,931 INFO L158 Benchmark]: Witness Printer took 37.55ms. Allocated memory is still 167.8MB. Free memory was 80.9MB in the beginning and 77.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:32:07,932 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 138.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 846.52ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 93.2MB in the beginning and 112.4MB in the end (delta: -19.2MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.79ms. Allocated memory is still 167.8MB. Free memory was 112.4MB in the beginning and 109.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.35ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.21ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 93.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 767.38ms. Allocated memory is still 167.8MB. Free memory was 92.6MB in the beginning and 80.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 37.55ms. Allocated memory is still 167.8MB. Free memory was 80.9MB in the beginning and 77.7MB 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: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: 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, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 80 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 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: 1569]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:32:07,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400e8b6b-d2fd-46cc-b12b-28a1414e2126/bin/uautomizer-uyxdKDjOR8/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