./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0 --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 93676a766926e1095b7b364023a45a6193793307fa2954e696e943af28de9e7e --- 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-e04fb08 [2022-11-16 19:27:50,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:27:50,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:27:50,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:27:50,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:27:50,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:27:50,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:27:50,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:27:50,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:27:50,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:27:50,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:27:50,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:27:50,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:27:50,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:27:50,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:27:50,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:27:50,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:27:50,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:27:50,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:27:50,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:27:50,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:27:50,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:27:50,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:27:50,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:27:50,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:27:50,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:27:50,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:27:50,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:27:50,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:27:50,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:27:50,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:27:50,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:27:50,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:27:50,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:27:50,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:27:50,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:27:50,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:27:50,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:27:50,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:27:50,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:27:50,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:27:50,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-16 19:27:50,212 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:27:50,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:27:50,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:27:50,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:27:50,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:27:50,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:27:50,214 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:27:50,215 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:27:50,215 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:27:50,215 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:27:50,215 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:27:50,216 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:27:50,216 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:27:50,216 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:27:50,216 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:27:50,216 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:27:50,217 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:27:50,217 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:27:50,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:27:50,218 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:27:50,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:27:50,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:27:50,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:27:50,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:27:50,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:27:50,219 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 19:27:50,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:27:50,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:27:50,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:27:50,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:27:50,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:27:50,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:27:50,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:27:50,221 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:27:50,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:27:50,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:27:50,222 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:27:50,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:27:50,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:27:50,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:27:50,223 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_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93676a766926e1095b7b364023a45a6193793307fa2954e696e943af28de9e7e [2022-11-16 19:27:50,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:27:50,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:27:50,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:27:50,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:27:50,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:27:50,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_good.i [2022-11-16 19:27:50,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/data/b5e81538b/896db315f21a4398918d027e86b4c27b/FLAG40ced69b5 [2022-11-16 19:27:51,196 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:27:51,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_good.i [2022-11-16 19:27:51,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/data/b5e81538b/896db315f21a4398918d027e86b4c27b/FLAG40ced69b5 [2022-11-16 19:27:51,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/data/b5e81538b/896db315f21a4398918d027e86b4c27b [2022-11-16 19:27:51,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:27:51,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:27:51,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:27:51,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:27:51,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:27:51,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:27:51" (1/1) ... [2022-11-16 19:27:51,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738feed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:51, skipping insertion in model container [2022-11-16 19:27:51,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:27:51" (1/1) ... [2022-11-16 19:27:51,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:27:51,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:27:51,991 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 19:27:52,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:27:52,595 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:27:52,612 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 19:27:52,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:27:52,819 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:27:52,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52 WrapperNode [2022-11-16 19:27:52,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:27:52,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:27:52,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:27:52,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:27:52,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,881 INFO L138 Inliner]: procedures = 503, calls = 143, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 157 [2022-11-16 19:27:52,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:27:52,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:27:52,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:27:52,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:27:52,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,910 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:27:52,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:27:52,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:27:52,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:27:52,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (1/1) ... [2022-11-16 19:27:52,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:27:52,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:52,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:27:53,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:27:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-16 19:27:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-16 19:27:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-16 19:27:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-16 19:27:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:27:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:27:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:27:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-16 19:27:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:27:53,200 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:27:53,202 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:27:53,497 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:27:53,590 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:27:53,590 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 19:27:53,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:27:53 BoogieIcfgContainer [2022-11-16 19:27:53,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:27:53,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:27:53,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:27:53,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:27:53,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:27:51" (1/3) ... [2022-11-16 19:27:53,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c21a73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:27:53, skipping insertion in model container [2022-11-16 19:27:53,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:52" (2/3) ... [2022-11-16 19:27:53,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c21a73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:27:53, skipping insertion in model container [2022-11-16 19:27:53,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:27:53" (3/3) ... [2022-11-16 19:27:53,606 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_68_good.i [2022-11-16 19:27:53,624 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:27:53,625 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 19:27:53,696 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:27:53,703 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;@75ed18e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:27:53,703 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-16 19:27:53,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 14 states have (on average 1.5) internal successors, (21), 21 states have internal predecessors, (21), 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) [2022-11-16 19:27:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 19:27:53,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:53,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:53,716 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)] === [2022-11-16 19:27:53,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:53,722 INFO L85 PathProgramCache]: Analyzing trace with hash -135478258, now seen corresponding path program 1 times [2022-11-16 19:27:53,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:53,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361533644] [2022-11-16 19:27:53,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:53,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:27:54,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:54,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361533644] [2022-11-16 19:27:54,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361533644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:54,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:54,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:27:54,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773363569] [2022-11-16 19:27:54,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:54,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:27:54,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:54,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:27:54,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:27:54,246 INFO L87 Difference]: Start difference. First operand has 26 states, 14 states have (on average 1.5) internal successors, (21), 21 states have internal predecessors, (21), 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 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-16 19:27:54,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:54,301 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2022-11-16 19:27:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:27:54,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 7 [2022-11-16 19:27:54,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:54,314 INFO L225 Difference]: With dead ends: 43 [2022-11-16 19:27:54,314 INFO L226 Difference]: Without dead ends: 18 [2022-11-16 19:27:54,318 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 [2022-11-16 19:27:54,326 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 13 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:54,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 25 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:27:54,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-16 19:27:54,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-16 19:27:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 13 states have internal predecessors, (13), 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) [2022-11-16 19:27:54,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2022-11-16 19:27:54,371 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 7 [2022-11-16 19:27:54,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:54,372 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2022-11-16 19:27:54,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-16 19:27:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2022-11-16 19:27:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 19:27:54,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:54,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:54,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:27:54,374 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)] === [2022-11-16 19:27:54,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:54,375 INFO L85 PathProgramCache]: Analyzing trace with hash 256334788, now seen corresponding path program 1 times [2022-11-16 19:27:54,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:54,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214513580] [2022-11-16 19:27:54,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:54,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:27:54,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:54,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214513580] [2022-11-16 19:27:54,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214513580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:54,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:54,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:27:54,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172506556] [2022-11-16 19:27:54,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:54,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:27:54,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:54,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:27:54,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:27:54,505 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-16 19:27:54,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:54,528 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2022-11-16 19:27:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:27:54,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 15 [2022-11-16 19:27:54,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:54,530 INFO L225 Difference]: With dead ends: 18 [2022-11-16 19:27:54,530 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 19:27:54,530 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 [2022-11-16 19:27:54,532 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:54,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 18 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:27:54,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 19:27:54,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-16 19:27:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 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) [2022-11-16 19:27:54,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2022-11-16 19:27:54,536 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 15 [2022-11-16 19:27:54,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:54,537 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2022-11-16 19:27:54,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-16 19:27:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2022-11-16 19:27:54,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 19:27:54,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:54,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:54,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:27:54,538 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)] === [2022-11-16 19:27:54,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:54,539 INFO L85 PathProgramCache]: Analyzing trace with hash -643556089, now seen corresponding path program 1 times [2022-11-16 19:27:54,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:54,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954961935] [2022-11-16 19:27:54,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:54,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:27:54,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:54,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954961935] [2022-11-16 19:27:54,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954961935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:54,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:54,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:27:54,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182379425] [2022-11-16 19:27:54,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:54,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:27:54,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:54,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:27:54,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:27:54,653 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-16 19:27:54,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:54,686 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2022-11-16 19:27:54,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:27:54,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 16 [2022-11-16 19:27:54,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:54,688 INFO L225 Difference]: With dead ends: 17 [2022-11-16 19:27:54,688 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 19:27:54,689 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 [2022-11-16 19:27:54,696 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:54,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:27:54,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 19:27:54,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 19:27:54,697 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) [2022-11-16 19:27:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 19:27:54,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-11-16 19:27:54,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:54,698 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 19:27:54,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-16 19:27:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 19:27:54,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 19:27:54,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-16 19:27:54,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-16 19:27:54,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-16 19:27:54,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-16 19:27:54,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 19:27:54,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 19:27:54,725 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-16 19:27:54,726 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-16 19:27:54,726 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-16 19:27:54,726 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-16 19:27:54,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1601) no Hoare annotation was computed. [2022-11-16 19:27:54,727 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1592) no Hoare annotation was computed. [2022-11-16 19:27:54,727 INFO L899 garLoopResultBuilder]: For program point L1601(line 1601) no Hoare annotation was computed. [2022-11-16 19:27:54,727 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2022-11-16 19:27:54,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-16 19:27:54,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 19:27:54,728 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1608) no Hoare annotation was computed. [2022-11-16 19:27:54,728 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1593) no Hoare annotation was computed. [2022-11-16 19:27:54,728 INFO L902 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: true [2022-11-16 19:27:54,728 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2022-11-16 19:27:54,729 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_multiply_68b_goodG2BSink_~data~2#1| 2) [2022-11-16 19:27:54,729 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_multiply_68b_goodG2BSink_~data~2#1| 2) [2022-11-16 19:27:54,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-16 19:27:54,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 19:27:54,730 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1609) no Hoare annotation was computed. [2022-11-16 19:27:54,730 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2022-11-16 19:27:54,730 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2022-11-16 19:27:54,730 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1607) no Hoare annotation was computed. [2022-11-16 19:27:54,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1601) no Hoare annotation was computed. [2022-11-16 19:27:54,731 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_multiply_68b_goodG2BSink_~data~2#1| 2) [2022-11-16 19:27:54,731 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_multiply_68b_goodG2BSink_~data~2#1| 2) [2022-11-16 19:27:54,731 INFO L895 garLoopResultBuilder]: At program point L1579-1(line 1579) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_multiply_68b_goodG2BSink_~data~2#1| 2) [2022-11-16 19:27:54,735 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 19:27:54,737 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:27:54,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:27:54 BoogieIcfgContainer [2022-11-16 19:27:54,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:27:54,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:27:54,757 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:27:54,757 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:27:54,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:27:53" (3/4) ... [2022-11-16 19:27:54,761 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 19:27:54,766 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-16 19:27:54,766 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-16 19:27:54,771 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2022-11-16 19:27:54,771 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-16 19:27:54,772 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-16 19:27:54,772 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 19:27:54,772 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 19:27:54,773 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 19:27:54,773 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 19:27:54,812 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 19:27:54,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:27:54,813 INFO L158 Benchmark]: Toolchain (without parser) took 3394.33ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 53.8MB in the beginning and 50.5MB in the end (delta: 3.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-16 19:27:54,814 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:27:54,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1398.47ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 53.6MB in the beginning and 76.4MB in the end (delta: -22.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-16 19:27:54,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.26ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 73.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:27:54,815 INFO L158 Benchmark]: Boogie Preprocessor took 32.67ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:27:54,816 INFO L158 Benchmark]: RCFGBuilder took 677.71ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 83.7MB in the end (delta: -12.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-11-16 19:27:54,816 INFO L158 Benchmark]: TraceAbstraction took 1161.60ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 53.9MB in the end (delta: 29.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-11-16 19:27:54,817 INFO L158 Benchmark]: Witness Printer took 55.83ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 50.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:27:54,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1398.47ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 53.6MB in the beginning and 76.4MB in the end (delta: -22.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.26ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 73.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.67ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.71ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 83.7MB in the end (delta: -12.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1161.60ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 53.9MB in the end (delta: 29.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Witness Printer took 55.83ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 50.5MB in the end (delta: 3.4MB). 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: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: 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, 26 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, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 38 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 14 PreInvPairs, 18 NumberOfFragments, 18 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 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: 1579]: Loop Invariant Derived loop invariant: data == 2 RESULT: Ultimate proved your program to be correct! [2022-11-16 19:27:54,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3304c4-6e18-4074-b7d7-6a207da193f3/bin/utaipan-Xvt2sAort0/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