./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7c3324437e341d7b098e9dbe6dd9e58a346a05f3c2760e7195364eab0a0f1d45 --- 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-4e7fbc6 [2022-11-23 15:04:36,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:04:36,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:04:36,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:04:36,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:04:36,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:04:36,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:04:36,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:04:37,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:04:37,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:04:37,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:04:37,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:04:37,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:04:37,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:04:37,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:04:37,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:04:37,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:04:37,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:04:37,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:04:37,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:04:37,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:04:37,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:04:37,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:04:37,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:04:37,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:04:37,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:04:37,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:04:37,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:04:37,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:04:37,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:04:37,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:04:37,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:04:37,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:04:37,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:04:37,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:04:37,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:04:37,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:04:37,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:04:37,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:04:37,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:04:37,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:04:37,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:04:37,081 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:04:37,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:04:37,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:04:37,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:04:37,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:04:37,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:04:37,083 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:04:37,083 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:04:37,083 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:04:37,084 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:04:37,084 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:04:37,084 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:04:37,084 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:04:37,085 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:04:37,085 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:04:37,085 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:04:37,085 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:04:37,085 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:04:37,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:04:37,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:04:37,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:04:37,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:04:37,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:04:37,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:04:37,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:04:37,088 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:04:37,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:04:37,088 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:04:37,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:04:37,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:04:37,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:04:37,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:04:37,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:04:37,089 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:04:37,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:04:37,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:04:37,090 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:04:37,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:04:37,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:04:37,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:04:37,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c3324437e341d7b098e9dbe6dd9e58a346a05f3c2760e7195364eab0a0f1d45 [2022-11-23 15:04:37,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:04:37,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:04:37,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:04:37,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:04:37,333 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:04:37,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i [2022-11-23 15:04:40,436 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:04:40,867 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:04:40,870 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i [2022-11-23 15:04:40,898 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/data/db16f46cf/1358e777afa94d01abd13c3f8bf929b8/FLAG2067d416f [2022-11-23 15:04:40,918 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/data/db16f46cf/1358e777afa94d01abd13c3f8bf929b8 [2022-11-23 15:04:40,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:04:40,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:04:40,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:04:40,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:04:40,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:04:40,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:40" (1/1) ... [2022-11-23 15:04:40,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f96e7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:40, skipping insertion in model container [2022-11-23 15:04:40,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:40" (1/1) ... [2022-11-23 15:04:40,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:04:41,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:04:41,405 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:04:42,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:04:42,210 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:04:42,248 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:04:42,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:04:42,511 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:04:42,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42 WrapperNode [2022-11-23 15:04:42,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:04:42,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:04:42,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:04:42,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:04:42,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,571 INFO L138 Inliner]: procedures = 505, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 72 [2022-11-23 15:04:42,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:04:42,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:04:42,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:04:42,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:04:42,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:04:42,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:04:42,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:04:42,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:04:42,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2022-11-23 15:04:42,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:04:42,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:04:42,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:04:42,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:04:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 15:04:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 15:04:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 15:04:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:04:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:04:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:04:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:04:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:04:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 15:04:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 15:04:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:04:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:04:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:04:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:04:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:04:42,912 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:04:42,914 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:04:43,091 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:04:43,123 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:04:43,124 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:04:43,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:43 BoogieIcfgContainer [2022-11-23 15:04:43,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:04:43,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:04:43,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:04:43,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:04:43,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:04:40" (1/3) ... [2022-11-23 15:04:43,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a575946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:04:43, skipping insertion in model container [2022-11-23 15:04:43,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (2/3) ... [2022-11-23 15:04:43,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a575946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:04:43, skipping insertion in model container [2022-11-23 15:04:43,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:43" (3/3) ... [2022-11-23 15:04:43,138 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_65_good.i [2022-11-23 15:04:43,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:04:43,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 15:04:43,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:04:43,222 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=FINITE_AUTOMATA, 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;@2aac0521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:04:43,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 15:04:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 19 states have (on average 1.368421052631579) internal successors, (26), 25 states have internal predecessors, (26), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 15:04:43,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 15:04:43,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:43,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:43,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:04:43,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1758568729, now seen corresponding path program 1 times [2022-11-23 15:04:43,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:43,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375137992] [2022-11-23 15:04:43,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:43,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:43,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:43,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375137992] [2022-11-23 15:04:43,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375137992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:43,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:43,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:04:43,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262095909] [2022-11-23 15:04:43,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:43,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:04:43,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:43,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:04:43,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:04:43,807 INFO L87 Difference]: Start difference. First operand has 35 states, 19 states have (on average 1.368421052631579) internal successors, (26), 25 states have internal predecessors, (26), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:04:43,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:43,980 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2022-11-23 15:04:43,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:04:43,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-23 15:04:43,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:44,010 INFO L225 Difference]: With dead ends: 55 [2022-11-23 15:04:44,010 INFO L226 Difference]: Without dead ends: 42 [2022-11-23 15:04:44,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:04:44,024 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 39 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:44,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 154 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:04:44,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-23 15:04:44,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2022-11-23 15:04:44,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 29 states have internal predecessors, (32), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-23 15:04:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2022-11-23 15:04:44,072 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 9 [2022-11-23 15:04:44,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:44,074 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-11-23 15:04:44,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:04:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-11-23 15:04:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:04:44,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:44,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:44,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:04:44,078 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:04:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:44,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1318959024, now seen corresponding path program 1 times [2022-11-23 15:04:44,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:44,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162427693] [2022-11-23 15:04:44,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:44,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:44,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:44,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162427693] [2022-11-23 15:04:44,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162427693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:44,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:44,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:04:44,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69877762] [2022-11-23 15:04:44,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:44,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:04:44,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:44,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:04:44,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:04:44,245 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:04:44,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:44,399 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2022-11-23 15:04:44,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:04:44,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-23 15:04:44,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:44,402 INFO L225 Difference]: With dead ends: 61 [2022-11-23 15:04:44,402 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 15:04:44,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:04:44,404 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 29 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:44,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 101 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:04:44,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 15:04:44,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2022-11-23 15:04:44,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 28 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:04:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2022-11-23 15:04:44,415 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 10 [2022-11-23 15:04:44,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:44,416 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2022-11-23 15:04:44,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:04:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-11-23 15:04:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 15:04:44,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:44,418 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:44,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:04:44,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:04:44,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:44,421 INFO L85 PathProgramCache]: Analyzing trace with hash 10532705, now seen corresponding path program 1 times [2022-11-23 15:04:44,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:44,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993488026] [2022-11-23 15:04:44,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:44,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:44,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:44,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993488026] [2022-11-23 15:04:44,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993488026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:44,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:44,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:04:44,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484323836] [2022-11-23 15:04:44,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:44,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:04:44,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:44,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:04:44,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:04:44,735 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:04:44,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:44,831 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2022-11-23 15:04:44,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:04:44,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-11-23 15:04:44,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:44,833 INFO L225 Difference]: With dead ends: 37 [2022-11-23 15:04:44,833 INFO L226 Difference]: Without dead ends: 36 [2022-11-23 15:04:44,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:04:44,834 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 20 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:44,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 130 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:04:44,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-23 15:04:44,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-23 15:04:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 27 states have internal predecessors, (28), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:04:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-11-23 15:04:44,842 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 23 [2022-11-23 15:04:44,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:44,843 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-11-23 15:04:44,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:04:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-11-23 15:04:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:04:44,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:44,844 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:44,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:04:44,845 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:04:44,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:44,845 INFO L85 PathProgramCache]: Analyzing trace with hash 326513943, now seen corresponding path program 1 times [2022-11-23 15:04:44,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:44,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748926598] [2022-11-23 15:04:44,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:44,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:44,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:44,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748926598] [2022-11-23 15:04:44,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748926598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:44,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:44,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:04:44,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710933730] [2022-11-23 15:04:44,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:44,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:04:44,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:45,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:04:45,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:04:45,000 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:04:45,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:45,035 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-11-23 15:04:45,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:04:45,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-11-23 15:04:45,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:45,037 INFO L225 Difference]: With dead ends: 38 [2022-11-23 15:04:45,037 INFO L226 Difference]: Without dead ends: 35 [2022-11-23 15:04:45,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:04:45,039 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 8 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:45,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 67 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:04:45,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-23 15:04:45,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2022-11-23 15:04:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 24 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:04:45,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-11-23 15:04:45,047 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 24 [2022-11-23 15:04:45,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:45,047 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-11-23 15:04:45,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:04:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-11-23 15:04:45,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:04:45,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:45,049 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:45,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:04:45,049 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:04:45,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:45,050 INFO L85 PathProgramCache]: Analyzing trace with hash 326499080, now seen corresponding path program 1 times [2022-11-23 15:04:45,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:45,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518756215] [2022-11-23 15:04:45,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:45,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:45,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:45,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:45,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518756215] [2022-11-23 15:04:45,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518756215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:45,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:45,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:04:45,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073227149] [2022-11-23 15:04:45,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:45,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:04:45,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:45,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:04:45,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:04:45,213 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:04:45,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:45,277 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-11-23 15:04:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:04:45,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-11-23 15:04:45,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:45,279 INFO L225 Difference]: With dead ends: 33 [2022-11-23 15:04:45,280 INFO L226 Difference]: Without dead ends: 32 [2022-11-23 15:04:45,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:04:45,284 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 12 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:45,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 117 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:04:45,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-23 15:04:45,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-23 15:04:45,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:04:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-11-23 15:04:45,299 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 24 [2022-11-23 15:04:45,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:45,300 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-11-23 15:04:45,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:04:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-11-23 15:04:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 15:04:45,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:45,301 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:45,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:04:45,302 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:04:45,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:45,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1531536964, now seen corresponding path program 1 times [2022-11-23 15:04:45,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:45,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606300586] [2022-11-23 15:04:45,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:45,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:04:45,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:45,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606300586] [2022-11-23 15:04:45,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606300586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:45,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:45,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:04:45,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480797883] [2022-11-23 15:04:45,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:45,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:04:45,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:45,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:04:45,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:04:45,369 INFO L87 Difference]: Start difference. First operand 32 states and 35 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:04:45,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:45,390 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2022-11-23 15:04:45,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:04:45,391 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-11-23 15:04:45,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:45,392 INFO L225 Difference]: With dead ends: 34 [2022-11-23 15:04:45,392 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:04:45,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:04:45,399 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:45,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 49 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:04:45,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:04:45,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:04:45,402 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) [2022-11-23 15:04:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:04:45,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2022-11-23 15:04:45,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:45,403 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:04:45,403 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:04:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:04:45,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:04:45,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-23 15:04:45,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-23 15:04:45,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-23 15:04:45,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-23 15:04:45,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:04:45,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:04:45,517 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 15:04:45,517 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 15:04:45,517 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 15:04:45,517 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 15:04:45,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:04:45,517 INFO L899 garLoopResultBuilder]: For program point L1565(lines 1565 1572) no Hoare annotation was computed. [2022-11-23 15:04:45,518 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-23 15:04:45,518 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2022-11-23 15:04:45,518 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-23 15:04:45,518 INFO L895 garLoopResultBuilder]: At program point L1586-1(line 1586) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-23 15:04:45,518 INFO L902 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: true [2022-11-23 15:04:45,518 INFO L899 garLoopResultBuilder]: For program point L1584-1(line 1584) no Hoare annotation was computed. [2022-11-23 15:04:45,519 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (and (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (= |ULTIMATE.start_goodG2B_~data~0#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.base|) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.offset|)) [2022-11-23 15:04:45,519 INFO L899 garLoopResultBuilder]: For program point L1574-1(lines 1558 1575) no Hoare annotation was computed. [2022-11-23 15:04:45,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:04:45,520 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (= |ULTIMATE.start_goodG2B_~data~0#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.base|) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.offset|)) [2022-11-23 15:04:45,520 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1565 1572) no Hoare annotation was computed. [2022-11-23 15:04:45,522 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-23 15:04:45,522 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2022-11-23 15:04:45,523 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1606) no Hoare annotation was computed. [2022-11-23 15:04:45,523 INFO L899 garLoopResultBuilder]: For program point L1592(line 1592) no Hoare annotation was computed. [2022-11-23 15:04:45,523 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2022-11-23 15:04:45,523 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2022-11-23 15:04:45,524 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2022-11-23 15:04:45,524 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:04:45,524 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:04:45,524 INFO L895 garLoopResultBuilder]: At program point L1605(line 1605) the Hoare annotation is: (not (= 2 |##fun~int~TO~VOID_#in~95#1|)) [2022-11-23 15:04:45,525 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 1596 1607) no Hoare annotation was computed. [2022-11-23 15:04:45,526 INFO L895 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: (or (not (= 2 |##fun~int~TO~VOID_#in~95#1|)) (and (= 2 |##fun~int~TO~VOID_CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink_~data#1|) (< |##fun~int~TO~VOID_#in~#fp#1.base| (+ |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.base| 1)) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.base| |##fun~int~TO~VOID_#in~#fp#1.base|) (= 2 |##fun~int~TO~VOID_#~95#1|) (< |##fun~int~TO~VOID_#in~#fp#1.offset| (+ |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.offset| 1)) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|))) [2022-11-23 15:04:45,526 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 15:04:45,526 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-23 15:04:45,526 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (or (and (= 2 |##fun~int~TO~VOID_CWE190_Integer_Overflow__int_fgets_add_65b_goodG2BSink_~data#1|) (= 2 |##fun~int~TO~VOID_#~95#1|)) (not (= 2 |##fun~int~TO~VOID_#in~95#1|))) [2022-11-23 15:04:45,526 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 1589 1595) no Hoare annotation was computed. [2022-11-23 15:04:45,526 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2022-11-23 15:04:45,527 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2022-11-23 15:04:45,530 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 15:04:45,532 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:04:45,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:04:45 BoogieIcfgContainer [2022-11-23 15:04:45,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:04:45,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:04:45,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:04:45,544 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:04:45,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:43" (3/4) ... [2022-11-23 15:04:45,548 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:04:45,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 15:04:45,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 15:04:45,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-23 15:04:45,559 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-23 15:04:45,559 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-23 15:04:45,560 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 15:04:45,560 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:04:45,597 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:04:45,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:04:45,598 INFO L158 Benchmark]: Toolchain (without parser) took 4674.94ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 105.7MB in the beginning and 101.5MB in the end (delta: 4.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-11-23 15:04:45,598 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:04:45,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1586.82ms. Allocated memory is still 140.5MB. Free memory was 104.8MB in the beginning and 104.6MB in the end (delta: 203.8kB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2022-11-23 15:04:45,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.04ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 101.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:04:45,599 INFO L158 Benchmark]: Boogie Preprocessor took 28.23ms. Allocated memory is still 140.5MB. Free memory was 101.4MB in the beginning and 100.5MB in the end (delta: 918.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:04:45,599 INFO L158 Benchmark]: RCFGBuilder took 526.27ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 83.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 15:04:45,600 INFO L158 Benchmark]: TraceAbstraction took 2413.13ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 83.7MB in the beginning and 104.7MB in the end (delta: -20.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-23 15:04:45,600 INFO L158 Benchmark]: Witness Printer took 53.49ms. Allocated memory is still 169.9MB. Free memory was 104.7MB in the beginning and 101.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:04:45,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1586.82ms. Allocated memory is still 140.5MB. Free memory was 104.8MB in the beginning and 104.6MB in the end (delta: 203.8kB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.04ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 101.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.23ms. Allocated memory is still 140.5MB. Free memory was 101.4MB in the beginning and 100.5MB in the end (delta: 918.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.27ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 83.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2413.13ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 83.7MB in the beginning and 104.7MB in the end (delta: -20.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 53.49ms. Allocated memory is still 169.9MB. Free memory was 104.7MB in the beginning and 101.5MB 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: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: 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 4 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 618 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 443 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 175 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=1, InterpolantAutomatonStates: 31, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 28 PreInvPairs, 30 NumberOfFragments, 99 HoareAnnotationTreeSize, 28 FomulaSimplifications, 3 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 11/11 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: 1586]: Loop Invariant Derived loop invariant: data == 2 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:04:45,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b646cd7-65cc-4fdf-929a-4a335963c1c4/bin/utaipan-Q6hlc19bkW/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