./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS --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 01105db113442005e0bdd0dd2597cc3e4c044a9a9395f4487f7b4264680d799a --- 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-8393723 [2022-11-19 08:21:35,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:21:35,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:21:35,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:21:35,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:21:35,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:21:35,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:21:35,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:21:35,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:21:35,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:21:35,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:21:35,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:21:35,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:21:35,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:21:35,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:21:35,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:21:35,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:21:35,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:21:35,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:21:35,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:21:35,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:21:35,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:21:35,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:21:35,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:21:35,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:21:35,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:21:35,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:21:35,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:21:35,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:21:35,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:21:35,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:21:35,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:21:35,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:21:35,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:21:35,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:21:35,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:21:35,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:21:35,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:21:35,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:21:35,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:21:35,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:21:35,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-19 08:21:35,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:21:35,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:21:35,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:21:35,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:21:35,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:21:35,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:21:35,717 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:21:35,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:21:35,718 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:21:35,718 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:21:35,719 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:21:35,719 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:21:35,719 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:21:35,719 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:21:35,720 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:21:35,720 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:21:35,720 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:21:35,721 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:21:35,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:21:35,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:21:35,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:21:35,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:21:35,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:21:35,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:21:35,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:21:35,723 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:21:35,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:21:35,724 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:21:35,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:21:35,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:21:35,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:21:35,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:35,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:21:35,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:21:35,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:21:35,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:21:35,727 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:21:35,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:21:35,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:21:35,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:21:35,728 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_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01105db113442005e0bdd0dd2597cc3e4c044a9a9395f4487f7b4264680d799a [2022-11-19 08:21:36,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:21:36,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:21:36,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:21:36,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:21:36,148 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:21:36,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i [2022-11-19 08:21:36,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/data/e5f1ebe89/7e34b051519b4211a9296de46996c4a4/FLAGd44b8db0a [2022-11-19 08:21:36,919 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:21:36,920 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i [2022-11-19 08:21:36,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/data/e5f1ebe89/7e34b051519b4211a9296de46996c4a4/FLAGd44b8db0a [2022-11-19 08:21:37,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/data/e5f1ebe89/7e34b051519b4211a9296de46996c4a4 [2022-11-19 08:21:37,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:21:37,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:21:37,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:37,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:21:37,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:21:37,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:37" (1/1) ... [2022-11-19 08:21:37,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c46a8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:37, skipping insertion in model container [2022-11-19 08:21:37,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:37" (1/1) ... [2022-11-19 08:21:37,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:21:37,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:21:37,532 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 08:21:37,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:37,997 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:21:38,032 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 08:21:38,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:38,213 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:21:38,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38 WrapperNode [2022-11-19 08:21:38,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:38,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:38,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:21:38,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:21:38,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,269 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2022-11-19 08:21:38,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:38,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:21:38,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:21:38,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:21:38,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:21:38,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:21:38,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:21:38,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:21:38,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (1/1) ... [2022-11-19 08:21:38,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:38,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:21:38,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:21:38,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:21:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-19 08:21:38,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-19 08:21:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-19 08:21:38,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-19 08:21:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:21:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-19 08:21:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-19 08:21:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:21:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:21:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-19 08:21:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:21:38,600 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:21:38,603 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:21:38,832 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:21:38,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:21:38,917 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:21:38,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:38 BoogieIcfgContainer [2022-11-19 08:21:38,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:21:38,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:21:38,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:21:38,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:21:38,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:21:37" (1/3) ... [2022-11-19 08:21:38,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc7f490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:38, skipping insertion in model container [2022-11-19 08:21:38,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:38" (2/3) ... [2022-11-19 08:21:38,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc7f490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:38, skipping insertion in model container [2022-11-19 08:21:38,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:38" (3/3) ... [2022-11-19 08:21:38,956 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_65_good.i [2022-11-19 08:21:38,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:21:38,976 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-19 08:21:39,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:21:39,035 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;@63245516, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:21:39,036 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-19 08:21:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 26 states have internal predecessors, (27), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-19 08:21:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 08:21:39,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:39,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:39,052 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-19 08:21:39,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:39,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1500370512, now seen corresponding path program 1 times [2022-11-19 08:21:39,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:39,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890462965] [2022-11-19 08:21:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:39,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:39,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:39,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890462965] [2022-11-19 08:21:39,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890462965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:39,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:39,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:21:39,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785437773] [2022-11-19 08:21:39,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:39,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:21:39,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:39,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:21:39,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:21:39,502 INFO L87 Difference]: Start difference. First operand has 34 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 26 states have internal predecessors, (27), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:21:39,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:39,579 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-11-19 08:21:39,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:21:39,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-19 08:21:39,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:39,591 INFO L225 Difference]: With dead ends: 37 [2022-11-19 08:21:39,591 INFO L226 Difference]: Without dead ends: 32 [2022-11-19 08:21:39,594 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 [2022-11-19 08:21:39,597 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:39,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 64 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:21:39,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-19 08:21:39,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2022-11-19 08:21:39,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 17 states have (on average 1.411764705882353) internal successors, (24), 23 states have internal predecessors, (24), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 08:21:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-11-19 08:21:39,638 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 10 [2022-11-19 08:21:39,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:39,639 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-11-19 08:21:39,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:21:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-19 08:21:39,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:21:39,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:39,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:39,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:21:39,642 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-19 08:21:39,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:39,643 INFO L85 PathProgramCache]: Analyzing trace with hash 732508048, now seen corresponding path program 1 times [2022-11-19 08:21:39,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:39,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272199421] [2022-11-19 08:21:39,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:39,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:39,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:39,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272199421] [2022-11-19 08:21:39,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272199421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:39,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:39,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:21:39,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175805892] [2022-11-19 08:21:39,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:39,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:21:39,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:39,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:21:39,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:21:39,715 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:21:39,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:39,745 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2022-11-19 08:21:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:21:39,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-19 08:21:39,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:39,747 INFO L225 Difference]: With dead ends: 32 [2022-11-19 08:21:39,752 INFO L226 Difference]: Without dead ends: 31 [2022-11-19 08:21:39,753 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 [2022-11-19 08:21:39,754 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 6 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:39,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 49 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:21:39,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-19 08:21:39,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2022-11-19 08:21:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 22 states have internal predecessors, (23), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 08:21:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2022-11-19 08:21:39,762 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 11 [2022-11-19 08:21:39,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:39,762 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-11-19 08:21:39,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:21:39,763 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-19 08:21:39,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:21:39,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:39,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:39,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:21:39,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-19 08:21:39,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:39,765 INFO L85 PathProgramCache]: Analyzing trace with hash 733154480, now seen corresponding path program 1 times [2022-11-19 08:21:39,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:39,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855143714] [2022-11-19 08:21:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:39,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:39,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:39,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855143714] [2022-11-19 08:21:39,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855143714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:39,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:39,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:21:39,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854750426] [2022-11-19 08:21:39,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:39,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:21:39,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:39,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:21:39,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:21:39,967 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:21:40,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:40,117 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2022-11-19 08:21:40,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:21:40,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-19 08:21:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:40,119 INFO L225 Difference]: With dead ends: 51 [2022-11-19 08:21:40,119 INFO L226 Difference]: Without dead ends: 40 [2022-11-19 08:21:40,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:21:40,121 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 40 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:40,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 125 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:21:40,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-19 08:21:40,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2022-11-19 08:21:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 30 states have internal predecessors, (32), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 08:21:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2022-11-19 08:21:40,131 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 11 [2022-11-19 08:21:40,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:40,132 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2022-11-19 08:21:40,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:21:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-19 08:21:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 08:21:40,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:40,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:40,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:21:40,134 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-19 08:21:40,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:40,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1232913086, now seen corresponding path program 1 times [2022-11-19 08:21:40,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:40,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111463463] [2022-11-19 08:21:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:40,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:40,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111463463] [2022-11-19 08:21:40,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111463463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:40,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:40,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:21:40,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978438086] [2022-11-19 08:21:40,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:40,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:21:40,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:40,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:21:40,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:21:40,221 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:21:40,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:40,277 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-19 08:21:40,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:21:40,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-19 08:21:40,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:40,282 INFO L225 Difference]: With dead ends: 40 [2022-11-19 08:21:40,282 INFO L226 Difference]: Without dead ends: 35 [2022-11-19 08:21:40,283 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 [2022-11-19 08:21:40,284 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 48 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 [2022-11-19 08:21:40,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 48 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:21:40,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-19 08:21:40,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-11-19 08:21:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 25 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 08:21:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2022-11-19 08:21:40,293 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 12 [2022-11-19 08:21:40,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:40,297 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-11-19 08:21:40,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:21:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-19 08:21:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:21:40,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:40,301 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:40,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:21:40,301 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-19 08:21:40,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:40,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1802584392, now seen corresponding path program 1 times [2022-11-19 08:21:40,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:40,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131016136] [2022-11-19 08:21:40,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:40,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:40,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:40,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131016136] [2022-11-19 08:21:40,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131016136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:40,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:40,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:21:40,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457908034] [2022-11-19 08:21:40,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:40,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:21:40,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:40,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:21:40,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:21:40,497 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:21:40,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:40,526 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-11-19 08:21:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:21:40,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2022-11-19 08:21:40,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:40,527 INFO L225 Difference]: With dead ends: 42 [2022-11-19 08:21:40,528 INFO L226 Difference]: Without dead ends: 25 [2022-11-19 08:21:40,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:21:40,530 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:40,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 68 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:21:40,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-19 08:21:40,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-19 08:21:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 18 states have internal predecessors, (18), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 08:21:40,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2022-11-19 08:21:40,537 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 19 [2022-11-19 08:21:40,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:40,538 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2022-11-19 08:21:40,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:21:40,538 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-11-19 08:21:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:21:40,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:40,539 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:40,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:21:40,540 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-19 08:21:40,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:40,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1230551613, now seen corresponding path program 1 times [2022-11-19 08:21:40,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:40,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395491895] [2022-11-19 08:21:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:40,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:40,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395491895] [2022-11-19 08:21:40,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395491895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:40,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:40,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:21:40,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555181329] [2022-11-19 08:21:40,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:40,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:21:40,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:40,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:21:40,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:21:40,761 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:21:40,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:40,844 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2022-11-19 08:21:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:21:40,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2022-11-19 08:21:40,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:40,848 INFO L225 Difference]: With dead ends: 36 [2022-11-19 08:21:40,848 INFO L226 Difference]: Without dead ends: 25 [2022-11-19 08:21:40,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:21:40,858 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 20 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:40,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 32 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:21:40,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-19 08:21:40,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-19 08:21:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0) internal successors, (17), 17 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 08:21:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2022-11-19 08:21:40,874 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 19 [2022-11-19 08:21:40,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:40,875 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2022-11-19 08:21:40,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:21:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2022-11-19 08:21:40,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 08:21:40,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:40,877 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:40,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:21:40,877 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-19 08:21:40,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:40,878 INFO L85 PathProgramCache]: Analyzing trace with hash 217456465, now seen corresponding path program 1 times [2022-11-19 08:21:40,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:40,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378519140] [2022-11-19 08:21:40,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:40,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:41,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:41,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378519140] [2022-11-19 08:21:41,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378519140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:41,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:41,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:21:41,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334086826] [2022-11-19 08:21:41,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:41,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:21:41,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:41,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:21:41,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:21:41,076 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 08:21:41,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:41,107 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2022-11-19 08:21:41,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:21:41,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-11-19 08:21:41,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:41,109 INFO L225 Difference]: With dead ends: 25 [2022-11-19 08:21:41,109 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:21:41,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:21:41,110 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:41,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:21:41,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:21:41,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:21:41,111 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) [2022-11-19 08:21:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:21:41,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-11-19 08:21:41,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:41,112 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:21:41,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 08:21:41,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:21:41,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:21:41,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-19 08:21:41,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-19 08:21:41,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-19 08:21:41,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-19 08:21:41,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:21:41,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:21:41,266 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-19 08:21:41,266 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-19 08:21:41,266 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-19 08:21:41,267 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-19 08:21:41,267 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:21:41,267 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodG2BSink.offset|) (<= .cse0 0))) [2022-11-19 08:21:41,267 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2022-11-19 08:21:41,267 INFO L902 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: true [2022-11-19 08:21:41,267 INFO L902 garLoopResultBuilder]: At program point L1576-1(line 1576) the Hoare annotation is: true [2022-11-19 08:21:41,268 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-11-19 08:21:41,268 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-19 08:21:41,268 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:21:41,268 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodG2BSink.offset|) (<= |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.offset|) (<= .cse0 0) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.base|))) [2022-11-19 08:21:41,268 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2022-11-19 08:21:41,269 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (or (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~101#1|))) (and (<= |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink_~data#1| 1) 0) (<= 0 (+ 2 |##fun~int~TO~VOID_#~101#1|)))) [2022-11-19 08:21:41,269 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (or (and (<= 0 (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink_~data#1| 1073741823)) (<= |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink_~data#1| 1) 0) (<= 0 (+ 2 |##fun~int~TO~VOID_#~101#1|))) (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~101#1|)))) [2022-11-19 08:21:41,269 INFO L895 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: (let ((.cse0 (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_rand_multiply_65b_goodG2BSink_~data#1| 1) 0))) (and (or (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~101#1|))) (and .cse0 (<= |##fun~int~TO~VOID_#~101#1| |##fun~int~TO~VOID_#in~101#1|) (<= 0 (+ 2 |##fun~int~TO~VOID_#~101#1|)) (<= 0 (+ 2 |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_rand_multiply_65b_goodG2BSink_~data#1|)) (<= |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_rand_multiply_65b_goodG2BSink_~data#1| |##fun~int~TO~VOID_#in~101#1|))) (or (not (< |##fun~int~TO~VOID_#in~#fp#1.base| (+ 1 |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.base|))) .cse0 (not (<= |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|)) (not (<= |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.base| |##fun~int~TO~VOID_#in~#fp#1.base|)) (not (< |##fun~int~TO~VOID_#in~#fp#1.offset| (+ |#funAddr~CWE191_Integer_Underflow__int_rand_multiply_65b_goodB2GSink.offset| 1)))))) [2022-11-19 08:21:41,269 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-19 08:21:41,269 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-19 08:21:41,270 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:21:41,270 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-19 08:21:41,270 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-19 08:21:41,270 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-19 08:21:41,270 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-11-19 08:21:41,270 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-19 08:21:41,270 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-11-19 08:21:41,270 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1600) no Hoare annotation was computed. [2022-11-19 08:21:41,271 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1601) no Hoare annotation was computed. [2022-11-19 08:21:41,271 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-19 08:21:41,271 INFO L899 garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed. [2022-11-19 08:21:41,271 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-19 08:21:41,271 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-19 08:21:41,271 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1585) no Hoare annotation was computed. [2022-11-19 08:21:41,271 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1586) no Hoare annotation was computed. [2022-11-19 08:21:41,275 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:41,277 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:21:41,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:21:41 BoogieIcfgContainer [2022-11-19 08:21:41,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:21:41,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:21:41,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:21:41,286 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:21:41,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:38" (3/4) ... [2022-11-19 08:21:41,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:21:41,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-19 08:21:41,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-19 08:21:41,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-19 08:21:41,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-19 08:21:41,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-19 08:21:41,301 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 08:21:41,301 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:21:41,335 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:21:41,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:21:41,336 INFO L158 Benchmark]: Toolchain (without parser) took 4294.71ms. Allocated memory was 115.3MB in the beginning and 161.5MB in the end (delta: 46.1MB). Free memory was 75.4MB in the beginning and 114.2MB in the end (delta: -38.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-19 08:21:41,336 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:21:41,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1171.31ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 85.3MB in the end (delta: -10.1MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-11-19 08:21:41,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.04ms. Allocated memory is still 115.3MB. Free memory was 84.8MB in the beginning and 81.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:21:41,337 INFO L158 Benchmark]: Boogie Preprocessor took 27.66ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 80.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:21:41,338 INFO L158 Benchmark]: RCFGBuilder took 621.29ms. Allocated memory is still 115.3MB. Free memory was 80.0MB in the beginning and 60.2MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-19 08:21:41,338 INFO L158 Benchmark]: TraceAbstraction took 2363.42ms. Allocated memory was 115.3MB in the beginning and 161.5MB in the end (delta: 46.1MB). Free memory was 59.6MB in the beginning and 117.3MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:21:41,338 INFO L158 Benchmark]: Witness Printer took 49.58ms. Allocated memory is still 161.5MB. Free memory was 117.3MB in the beginning and 114.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:21:41,340 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 115.3MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1171.31ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 85.3MB in the end (delta: -10.1MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.04ms. Allocated memory is still 115.3MB. Free memory was 84.8MB in the beginning and 81.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.66ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 80.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.29ms. Allocated memory is still 115.3MB. Free memory was 80.0MB in the beginning and 60.2MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2363.42ms. Allocated memory was 115.3MB in the beginning and 161.5MB in the end (delta: 46.1MB). Free memory was 59.6MB in the beginning and 117.3MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.58ms. Allocated memory is still 161.5MB. Free memory was 117.3MB in the beginning and 114.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 428 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 257 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 171 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=3, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 29 PreInvPairs, 36 NumberOfFragments, 149 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 10/10 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: 1576]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 08:21:41,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71de17bd-4d0d-4420-b43c-4f817c310a0b/bin/utaipan-I9t0OCRTmS/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