./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/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_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/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_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/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 4230ba35f02aca98ae1a1ea0d700653d5a92e9862cafe3fb067ba72751f2f8f9 --- 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 15:27:04,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:27:04,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:27:04,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:27:04,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:27:04,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:27:04,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:27:04,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:27:04,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:27:04,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:27:04,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:27:04,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:27:04,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:27:04,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:27:04,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:27:04,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:27:04,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:27:04,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:27:04,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:27:04,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:27:04,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:27:04,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:27:04,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:27:04,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:27:04,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:27:04,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:27:04,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:27:04,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:27:04,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:27:04,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:27:04,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:27:04,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:27:04,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:27:04,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:27:04,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:27:04,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:27:04,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:27:04,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:27:04,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:27:04,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:27:04,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:27:04,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:27:04,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:27:04,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:27:04,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:27:04,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:27:04,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:27:04,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:27:04,994 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:27:04,994 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:27:04,995 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:27:04,995 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:27:04,995 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:27:04,995 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:27:04,996 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:27:04,996 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:27:04,996 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:27:04,996 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:27:04,996 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:27:04,997 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:27:04,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:27:04,998 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:27:04,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:27:04,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:27:04,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:27:04,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:27:04,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:27:04,999 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:27:04,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:27:04,999 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:27:04,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:27:05,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:27:05,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:27:05,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:27:05,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:27:05,001 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:27:05,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:27:05,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:27:05,001 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:27:05,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:27:05,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:27:05,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:27:05,002 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_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4230ba35f02aca98ae1a1ea0d700653d5a92e9862cafe3fb067ba72751f2f8f9 [2022-11-23 15:27:05,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:27:05,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:27:05,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:27:05,362 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:27:05,363 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:27:05,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_good.i [2022-11-23 15:27:08,369 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:27:08,725 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:27:08,730 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_good.i [2022-11-23 15:27:08,762 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/data/366667baa/22790540be1b4bea97326d147e30133a/FLAG340d65e3d [2022-11-23 15:27:08,780 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/data/366667baa/22790540be1b4bea97326d147e30133a [2022-11-23 15:27:08,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:27:08,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:27:08,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:27:08,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:27:08,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:27:08,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:27:08" (1/1) ... [2022-11-23 15:27:08,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7995c5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:08, skipping insertion in model container [2022-11-23 15:27:08,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:27:08" (1/1) ... [2022-11-23 15:27:08,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:27:08,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:27:09,266 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:27:09,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:27:09,783 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:27:09,829 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:27:09,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:27:10,029 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:27:10,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10 WrapperNode [2022-11-23 15:27:10,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:27:10,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:27:10,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:27:10,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:27:10,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,087 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-11-23 15:27:10,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:27:10,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:27:10,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:27:10,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:27:10,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:27:10,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:27:10,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:27:10,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:27:10,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (1/1) ... [2022-11-23 15:27:10,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:27:10,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:27:10,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:27:10,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:27:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 15:27:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 15:27:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:27:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:27:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:27:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:27:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:27:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:27:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:27:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:27:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:27:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:27:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:27:10,378 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:27:10,381 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:27:10,573 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:27:10,651 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:27:10,661 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:27:10,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:10 BoogieIcfgContainer [2022-11-23 15:27:10,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:27:10,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:27:10,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:27:10,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:27:10,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:27:08" (1/3) ... [2022-11-23 15:27:10,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12577681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:27:10, skipping insertion in model container [2022-11-23 15:27:10,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:10" (2/3) ... [2022-11-23 15:27:10,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12577681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:27:10, skipping insertion in model container [2022-11-23 15:27:10,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:10" (3/3) ... [2022-11-23 15:27:10,678 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_01_good.i [2022-11-23 15:27:10,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:27:10,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 15:27:10,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:27:10,767 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;@ac15f75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:27:10,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 15:27:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:27:10,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 15:27:10,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:10,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 15:27:10,778 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:27:10,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:10,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1733076348, now seen corresponding path program 1 times [2022-11-23 15:27:10,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:10,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119797950] [2022-11-23 15:27:10,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:10,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:11,065 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 15:27:11,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:11,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119797950] [2022-11-23 15:27:11,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119797950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:11,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:11,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:27:11,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830679717] [2022-11-23 15:27:11,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:11,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:11,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:11,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:11,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:11,110 INFO L87 Difference]: Start difference. First operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:27:11,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:11,178 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-23 15:27:11,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:11,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2022-11-23 15:27:11,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:11,194 INFO L225 Difference]: With dead ends: 24 [2022-11-23 15:27:11,194 INFO L226 Difference]: Without dead ends: 16 [2022-11-23 15:27:11,197 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 15:27:11,202 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:11,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:27:11,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-23 15:27:11,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-23 15:27:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:27:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2022-11-23 15:27:11,240 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 6 [2022-11-23 15:27:11,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:11,241 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2022-11-23 15:27:11,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:27:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2022-11-23 15:27:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 15:27:11,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:11,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:27:11,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:27:11,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:27:11,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:11,244 INFO L85 PathProgramCache]: Analyzing trace with hash -210931332, now seen corresponding path program 1 times [2022-11-23 15:27:11,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:11,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154003194] [2022-11-23 15:27:11,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:11,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:11,611 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 15:27:11,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:11,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154003194] [2022-11-23 15:27:11,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154003194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:11,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:11,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:11,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259346019] [2022-11-23 15:27:11,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:11,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:27:11,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:11,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:27:11,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:27:11,616 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:27:11,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:11,638 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2022-11-23 15:27:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:27:11,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 13 [2022-11-23 15:27:11,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:11,640 INFO L225 Difference]: With dead ends: 16 [2022-11-23 15:27:11,640 INFO L226 Difference]: Without dead ends: 15 [2022-11-23 15:27:11,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 15:27:11,642 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:11,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 22 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:27:11,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-23 15:27:11,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-23 15:27:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:27:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2022-11-23 15:27:11,647 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 13 [2022-11-23 15:27:11,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:11,647 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2022-11-23 15:27:11,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:27:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2022-11-23 15:27:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 15:27:11,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:11,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:27:11,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:27:11,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:27:11,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:11,650 INFO L85 PathProgramCache]: Analyzing trace with hash 2051063358, now seen corresponding path program 1 times [2022-11-23 15:27:11,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:11,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799769827] [2022-11-23 15:27:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:11,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:11,765 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 15:27:11,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:11,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799769827] [2022-11-23 15:27:11,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799769827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:11,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:11,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:11,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328219560] [2022-11-23 15:27:11,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:11,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:27:11,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:11,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:27:11,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:27:11,772 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:27:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:11,800 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2022-11-23 15:27:11,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:27:11,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 14 [2022-11-23 15:27:11,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:11,801 INFO L225 Difference]: With dead ends: 15 [2022-11-23 15:27:11,802 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:27:11,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 15:27:11,803 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:11,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:27:11,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:27:11,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:27:11,805 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 15:27:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:27:11,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-23 15:27:11,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:11,806 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:27:11,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:27:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:27:11,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:27:11,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-23 15:27:11,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-23 15:27:11,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-23 15:27:11,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-23 15:27:11,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:27:11,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:27:11,827 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 15:27:11,827 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 15:27:11,827 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 15:27:11,828 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 15:27:11,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1554) no Hoare annotation was computed. [2022-11-23 15:27:11,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:27:11,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-23 15:27:11,829 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true [2022-11-23 15:27:11,829 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1564 1573) no Hoare annotation was computed. [2022-11-23 15:27:11,829 INFO L902 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: true [2022-11-23 15:27:11,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1554) no Hoare annotation was computed. [2022-11-23 15:27:11,830 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-23 15:27:11,830 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-23 15:27:11,830 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:27:11,830 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-11-23 15:27:11,831 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1573) no Hoare annotation was computed. [2022-11-23 15:27:11,831 INFO L902 garLoopResultBuilder]: At program point L1556(line 1556) the Hoare annotation is: true [2022-11-23 15:27:11,831 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1548 1558) no Hoare annotation was computed. [2022-11-23 15:27:11,832 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-23 15:27:11,833 INFO L899 garLoopResultBuilder]: For program point L1554-1(line 1554) no Hoare annotation was computed. [2022-11-23 15:27:11,833 INFO L902 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: true [2022-11-23 15:27:11,834 INFO L902 garLoopResultBuilder]: At program point L1585-1(line 1585) the Hoare annotation is: true [2022-11-23 15:27:11,834 INFO L902 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true [2022-11-23 15:27:11,834 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-23 15:27:11,841 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 15:27:11,843 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:27:11,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:27:11 BoogieIcfgContainer [2022-11-23 15:27:11,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:27:11,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:27:11,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:27:11,860 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:27:11,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:10" (3/4) ... [2022-11-23 15:27:11,864 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:27:11,870 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 15:27:11,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 15:27:11,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-23 15:27:11,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 15:27:11,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:27:11,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:27:11,930 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:27:11,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:27:11,931 INFO L158 Benchmark]: Toolchain (without parser) took 3143.75ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 77.0MB in the beginning and 84.5MB in the end (delta: -7.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2022-11-23 15:27:11,931 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory was 105.3MB in the beginning and 105.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:27:11,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1238.94ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 76.7MB in the beginning and 110.6MB in the end (delta: -33.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-23 15:27:11,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.85ms. Allocated memory is still 188.7MB. Free memory was 110.6MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:27:11,933 INFO L158 Benchmark]: Boogie Preprocessor took 44.63ms. Allocated memory is still 188.7MB. Free memory was 107.4MB in the beginning and 105.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:27:11,933 INFO L158 Benchmark]: RCFGBuilder took 531.09ms. Allocated memory is still 188.7MB. Free memory was 105.5MB in the beginning and 152.5MB in the end (delta: -47.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-11-23 15:27:11,934 INFO L158 Benchmark]: TraceAbstraction took 1191.95ms. Allocated memory is still 188.7MB. Free memory was 151.6MB in the beginning and 87.7MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-23 15:27:11,936 INFO L158 Benchmark]: Witness Printer took 70.40ms. Allocated memory is still 188.7MB. Free memory was 87.7MB in the beginning and 84.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:27:11,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory was 105.3MB in the beginning and 105.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1238.94ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 76.7MB in the beginning and 110.6MB in the end (delta: -33.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.85ms. Allocated memory is still 188.7MB. Free memory was 110.6MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.63ms. Allocated memory is still 188.7MB. Free memory was 107.4MB in the beginning and 105.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.09ms. Allocated memory is still 188.7MB. Free memory was 105.5MB in the beginning and 152.5MB in the end (delta: -47.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1191.95ms. Allocated memory is still 188.7MB. Free memory was 151.6MB in the beginning and 87.7MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 70.40ms. Allocated memory is still 188.7MB. Free memory was 87.7MB in the beginning and 84.5MB 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: 1554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: 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, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 34 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 8 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 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: 1585]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:27:11,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c32b6d-243b-4ec7-9dde-1ad6f5c980bd/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