./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba --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 32bit --witnessprinter.graph.data.programhash 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 --- 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-b5237d8 [2022-11-22 01:22:33,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:22:33,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:22:33,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:22:33,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:22:33,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:22:33,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:22:33,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:22:33,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:22:33,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:22:33,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:22:33,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:22:33,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:22:33,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:22:33,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:22:33,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:22:33,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:22:33,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:22:33,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:22:33,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:22:33,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:22:33,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:22:33,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:22:33,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:22:33,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:22:33,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:22:33,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:22:33,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:22:33,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:22:33,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:22:33,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:22:33,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:22:33,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:22:33,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:22:33,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:22:33,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:22:33,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:22:33,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:22:33,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:22:33,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:22:33,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:22:33,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:22:33,746 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:22:33,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:22:33,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:22:33,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:22:33,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:22:33,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:22:33,756 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:22:33,756 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:22:33,757 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:22:33,771 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:22:33,772 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:22:33,772 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:22:33,773 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:22:33,773 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:22:33,773 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:22:33,774 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:22:33,774 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:22:33,774 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:22:33,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:22:33,776 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:22:33,776 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:22:33,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:22:33,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:22:33,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:22:33,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:22:33,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:22:33,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:22:33,779 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:22:33,779 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:22:33,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:22:33,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:22:33,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:22:33,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:22:33,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:22:33,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:22:33,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:22:33,783 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:22:33,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:22:33,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:22:33,785 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:22:33,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:22:33,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:22:33,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:22:33,786 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_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 [2022-11-22 01:22:34,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:22:34,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:22:34,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:22:34,183 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:22:34,183 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:22:34,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2022-11-22 01:22:37,400 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:22:37,602 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:22:37,602 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2022-11-22 01:22:37,610 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/data/b201d7cb6/2e38ebeb4b724716b33ef1084aae1058/FLAG411ef812e [2022-11-22 01:22:37,627 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/data/b201d7cb6/2e38ebeb4b724716b33ef1084aae1058 [2022-11-22 01:22:37,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:22:37,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:22:37,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:22:37,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:22:37,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:22:37,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:37,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e86b781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37, skipping insertion in model container [2022-11-22 01:22:37,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:37,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:22:37,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:22:37,845 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2022-11-22 01:22:37,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2022-11-22 01:22:37,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2022-11-22 01:22:37,851 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2022-11-22 01:22:37,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2022-11-22 01:22:37,855 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2022-11-22 01:22:37,859 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2022-11-22 01:22:37,861 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2022-11-22 01:22:37,862 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2022-11-22 01:22:37,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2022-11-22 01:22:37,867 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2022-11-22 01:22:37,869 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2022-11-22 01:22:37,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2022-11-22 01:22:37,872 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2022-11-22 01:22:37,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2022-11-22 01:22:37,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2022-11-22 01:22:37,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:22:37,900 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:22:37,915 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2022-11-22 01:22:37,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2022-11-22 01:22:37,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2022-11-22 01:22:37,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2022-11-22 01:22:37,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2022-11-22 01:22:37,922 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2022-11-22 01:22:37,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2022-11-22 01:22:37,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2022-11-22 01:22:37,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2022-11-22 01:22:37,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2022-11-22 01:22:37,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2022-11-22 01:22:37,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2022-11-22 01:22:37,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2022-11-22 01:22:37,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2022-11-22 01:22:37,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2022-11-22 01:22:37,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2022-11-22 01:22:37,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:22:37,961 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:22:37,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37 WrapperNode [2022-11-22 01:22:37,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:22:37,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:22:37,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:22:37,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:22:37,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:37,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,007 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 212 [2022-11-22 01:22:38,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:22:38,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:22:38,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:22:38,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:22:38,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,044 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:22:38,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:22:38,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:22:38,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:22:38,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (1/1) ... [2022-11-22 01:22:38,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:22:38,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:22:38,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:22:38,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:22:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:22:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:22:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:22:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:22:38,230 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:22:38,232 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:22:38,497 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:22:38,515 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:22:38,515 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:22:38,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:22:38 BoogieIcfgContainer [2022-11-22 01:22:38,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:22:38,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:22:38,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:22:38,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:22:38,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:22:37" (1/3) ... [2022-11-22 01:22:38,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e92cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:22:38, skipping insertion in model container [2022-11-22 01:22:38,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:22:37" (2/3) ... [2022-11-22 01:22:38,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e92cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:22:38, skipping insertion in model container [2022-11-22 01:22:38,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:22:38" (3/3) ... [2022-11-22 01:22:38,529 INFO L112 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2022-11-22 01:22:38,572 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:22:38,572 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-22 01:22:38,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:22:38,686 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;@5f91c738, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:22:38,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-22 01:22:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 45 states have (on average 1.9333333333333333) internal successors, (87), 65 states have internal predecessors, (87), 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) [2022-11-22 01:22:38,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 01:22:38,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:38,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 01:22:38,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:38,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:38,728 INFO L85 PathProgramCache]: Analyzing trace with hash 185698, now seen corresponding path program 1 times [2022-11-22 01:22:38,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:38,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316167477] [2022-11-22 01:22:38,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:38,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:38,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:38,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316167477] [2022-11-22 01:22:38,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316167477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:38,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:38,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:22:38,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478593344] [2022-11-22 01:22:38,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:38,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:22:38,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:38,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:22:38,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:38,983 INFO L87 Difference]: Start difference. First operand has 66 states, 45 states have (on average 1.9333333333333333) internal successors, (87), 65 states have internal predecessors, (87), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-22 01:22:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:39,034 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2022-11-22 01:22:39,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:22:39,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2022-11-22 01:22:39,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:39,051 INFO L225 Difference]: With dead ends: 68 [2022-11-22 01:22:39,052 INFO L226 Difference]: Without dead ends: 63 [2022-11-22 01:22:39,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:39,059 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 68 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:39,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 59 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:22:39,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-22 01:22:39,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-22 01:22:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.5227272727272727) internal successors, (67), 62 states have internal predecessors, (67), 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) [2022-11-22 01:22:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-11-22 01:22:39,148 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 3 [2022-11-22 01:22:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:39,148 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-11-22 01:22:39,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-22 01:22:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-11-22 01:22:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:22:39,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:39,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:22:39,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:22:39,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:39,157 INFO L85 PathProgramCache]: Analyzing trace with hash 5756679, now seen corresponding path program 1 times [2022-11-22 01:22:39,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:39,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86341332] [2022-11-22 01:22:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:39,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:39,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:39,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86341332] [2022-11-22 01:22:39,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86341332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:39,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:39,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:22:39,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333716178] [2022-11-22 01:22:39,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:39,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:22:39,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:39,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:22:39,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:39,274 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-22 01:22:39,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:39,299 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2022-11-22 01:22:39,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:22:39,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2022-11-22 01:22:39,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:39,302 INFO L225 Difference]: With dead ends: 63 [2022-11-22 01:22:39,302 INFO L226 Difference]: Without dead ends: 62 [2022-11-22 01:22:39,302 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 [2022-11-22 01:22:39,304 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:39,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 59 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:22:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-22 01:22:39,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-22 01:22:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.5) internal successors, (66), 61 states have internal predecessors, (66), 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) [2022-11-22 01:22:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2022-11-22 01:22:39,313 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 4 [2022-11-22 01:22:39,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:39,313 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2022-11-22 01:22:39,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-22 01:22:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-11-22 01:22:39,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:22:39,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:39,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:39,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:22:39,315 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:39,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:39,316 INFO L85 PathProgramCache]: Analyzing trace with hash -754176339, now seen corresponding path program 1 times [2022-11-22 01:22:39,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:39,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005624210] [2022-11-22 01:22:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:39,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:39,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:39,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005624210] [2022-11-22 01:22:39,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005624210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:39,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:39,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:22:39,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103562562] [2022-11-22 01:22:39,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:39,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:22:39,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:39,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:22:39,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:39,384 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-22 01:22:39,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:39,505 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2022-11-22 01:22:39,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:22:39,506 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), 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) Word has length 8 [2022-11-22 01:22:39,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:39,509 INFO L225 Difference]: With dead ends: 102 [2022-11-22 01:22:39,511 INFO L226 Difference]: Without dead ends: 94 [2022-11-22 01:22:39,512 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 [2022-11-22 01:22:39,514 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 31 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:39,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 75 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:22:39,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-22 01:22:39,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2022-11-22 01:22:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 89 states have internal predecessors, (102), 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) [2022-11-22 01:22:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2022-11-22 01:22:39,534 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 8 [2022-11-22 01:22:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:39,534 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2022-11-22 01:22:39,535 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), 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) [2022-11-22 01:22:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2022-11-22 01:22:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 01:22:39,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:39,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:39,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:22:39,542 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:39,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:39,543 INFO L85 PathProgramCache]: Analyzing trace with hash 790360246, now seen corresponding path program 1 times [2022-11-22 01:22:39,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:39,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731842402] [2022-11-22 01:22:39,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:39,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:39,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:39,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731842402] [2022-11-22 01:22:39,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731842402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:39,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:39,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:22:39,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570590098] [2022-11-22 01:22:39,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:39,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:22:39,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:39,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:22:39,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:39,669 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-22 01:22:39,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:39,749 INFO L93 Difference]: Finished difference Result 123 states and 139 transitions. [2022-11-22 01:22:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:22:39,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) Word has length 16 [2022-11-22 01:22:39,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:39,751 INFO L225 Difference]: With dead ends: 123 [2022-11-22 01:22:39,752 INFO L226 Difference]: Without dead ends: 119 [2022-11-22 01:22:39,752 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 [2022-11-22 01:22:39,753 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 19 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:39,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 92 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:22:39,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-22 01:22:39,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2022-11-22 01:22:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 112 states have internal predecessors, (129), 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) [2022-11-22 01:22:39,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 129 transitions. [2022-11-22 01:22:39,769 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 129 transitions. Word has length 16 [2022-11-22 01:22:39,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:39,769 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 129 transitions. [2022-11-22 01:22:39,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-22 01:22:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 129 transitions. [2022-11-22 01:22:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 01:22:39,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:39,771 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:39,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:22:39,772 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:39,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:39,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1443813825, now seen corresponding path program 1 times [2022-11-22 01:22:39,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:39,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208772035] [2022-11-22 01:22:39,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:39,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:39,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:39,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208772035] [2022-11-22 01:22:39,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208772035] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:22:39,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561152097] [2022-11-22 01:22:39,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:39,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:22:39,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:22:39,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:22:39,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:22:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:39,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:22:40,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:22:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:40,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:22:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:40,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561152097] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:22:40,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1284249188] [2022-11-22 01:22:40,231 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-22 01:22:40,231 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:22:40,237 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:22:40,243 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:22:40,243 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:22:40,878 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:22:43,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1284249188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:43,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:22:43,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [3, 3, 3] total 19 [2022-11-22 01:22:43,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494283533] [2022-11-22 01:22:43,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:43,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-22 01:22:43,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:43,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-22 01:22:43,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=212, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:22:43,568 INFO L87 Difference]: Start difference. First operand 113 states and 129 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) [2022-11-22 01:22:44,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:44,345 INFO L93 Difference]: Finished difference Result 300 states and 360 transitions. [2022-11-22 01:22:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-22 01:22:44,346 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) Word has length 22 [2022-11-22 01:22:44,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:44,348 INFO L225 Difference]: With dead ends: 300 [2022-11-22 01:22:44,348 INFO L226 Difference]: Without dead ends: 191 [2022-11-22 01:22:44,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=168, Invalid=212, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:22:44,350 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 140 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:44,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 63 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 01:22:44,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-22 01:22:44,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 123. [2022-11-22 01:22:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 122 states have internal predecessors, (139), 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) [2022-11-22 01:22:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 139 transitions. [2022-11-22 01:22:44,370 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 139 transitions. Word has length 22 [2022-11-22 01:22:44,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:44,370 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 139 transitions. [2022-11-22 01:22:44,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) [2022-11-22 01:22:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 139 transitions. [2022-11-22 01:22:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 01:22:44,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:44,372 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:44,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:22:44,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:22:44,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:44,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:44,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1467728020, now seen corresponding path program 1 times [2022-11-22 01:22:44,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:44,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047268322] [2022-11-22 01:22:44,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:44,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:44,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:44,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047268322] [2022-11-22 01:22:44,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047268322] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:22:44,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501207059] [2022-11-22 01:22:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:44,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:22:44,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:22:44,742 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:22:44,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:22:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:44,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:22:44,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:22:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:44,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:22:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:44,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501207059] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:22:44,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1657514056] [2022-11-22 01:22:44,931 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-22 01:22:44,931 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:22:44,931 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:22:44,932 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:22:44,933 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:22:46,797 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:22:50,303 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1577#(and (<= |ULTIMATE.start_main_~main__i~0#1| 2147483647) (= ~__return_334~0 0) (<= |ULTIMATE.start_main_~main__j~0#1| 2147483643) (<= 0 |ULTIMATE.start_main_~main__j~0#1|) (< 2147483646 |ULTIMATE.start_main_~main__i~0#1|) (<= 4 |ULTIMATE.start_main_~main__bufsize~0#1|) (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~main__limit~0#1|) (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~main__len~0#1|) (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (= ~__return_main~0 0) (= |#NULL.base| 0))' at error location [2022-11-22 01:22:50,304 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:22:50,304 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:22:50,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-22 01:22:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369238070] [2022-11-22 01:22:50,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:22:50,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 01:22:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:50,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 01:22:50,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2022-11-22 01:22:50,306 INFO L87 Difference]: Start difference. First operand 123 states and 139 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 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) [2022-11-22 01:22:50,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:50,541 INFO L93 Difference]: Finished difference Result 401 states and 479 transitions. [2022-11-22 01:22:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:22:50,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 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) Word has length 27 [2022-11-22 01:22:50,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:50,547 INFO L225 Difference]: With dead ends: 401 [2022-11-22 01:22:50,547 INFO L226 Difference]: Without dead ends: 396 [2022-11-22 01:22:50,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2022-11-22 01:22:50,554 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 196 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:50,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 165 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:22:50,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-11-22 01:22:50,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 364. [2022-11-22 01:22:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 349 states have (on average 1.2664756446991403) internal successors, (442), 363 states have internal predecessors, (442), 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) [2022-11-22 01:22:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 442 transitions. [2022-11-22 01:22:50,639 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 442 transitions. Word has length 27 [2022-11-22 01:22:50,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:50,641 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 442 transitions. [2022-11-22 01:22:50,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 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) [2022-11-22 01:22:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 442 transitions. [2022-11-22 01:22:50,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-22 01:22:50,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:50,647 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:50,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-22 01:22:50,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-22 01:22:50,848 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:50,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:50,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1745071692, now seen corresponding path program 1 times [2022-11-22 01:22:50,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:50,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411044674] [2022-11-22 01:22:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:50,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:50,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:50,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411044674] [2022-11-22 01:22:50,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411044674] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:22:50,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918455091] [2022-11-22 01:22:50,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:50,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:22:50,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:22:50,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:22:50,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:22:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:50,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:22:50,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:22:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:51,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:22:51,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918455091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:51,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:22:51,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-22 01:22:51,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206634589] [2022-11-22 01:22:51,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:51,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:22:51,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:51,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:22:51,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:22:51,039 INFO L87 Difference]: Start difference. First operand 364 states and 442 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-22 01:22:51,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:51,152 INFO L93 Difference]: Finished difference Result 364 states and 442 transitions. [2022-11-22 01:22:51,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:22:51,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) Word has length 28 [2022-11-22 01:22:51,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:51,155 INFO L225 Difference]: With dead ends: 364 [2022-11-22 01:22:51,155 INFO L226 Difference]: Without dead ends: 359 [2022-11-22 01:22:51,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:22:51,162 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 58 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:51,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 59 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:22:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2022-11-22 01:22:51,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 293. [2022-11-22 01:22:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 283 states have (on average 1.243816254416961) internal successors, (352), 292 states have internal predecessors, (352), 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) [2022-11-22 01:22:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 352 transitions. [2022-11-22 01:22:51,194 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 352 transitions. Word has length 28 [2022-11-22 01:22:51,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:51,194 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 352 transitions. [2022-11-22 01:22:51,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-22 01:22:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 352 transitions. [2022-11-22 01:22:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-22 01:22:51,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:51,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:51,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 01:22:51,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:22:51,401 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:51,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:51,402 INFO L85 PathProgramCache]: Analyzing trace with hash -58726063, now seen corresponding path program 1 times [2022-11-22 01:22:51,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:51,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17107770] [2022-11-22 01:22:51,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:51,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:51,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:51,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17107770] [2022-11-22 01:22:51,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17107770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:51,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:51,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:22:51,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250328532] [2022-11-22 01:22:51,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:51,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:22:51,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:51,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:22:51,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:22:51,483 INFO L87 Difference]: Start difference. First operand 293 states and 352 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-22 01:22:51,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:51,601 INFO L93 Difference]: Finished difference Result 527 states and 623 transitions. [2022-11-22 01:22:51,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:22:51,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) Word has length 28 [2022-11-22 01:22:51,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:51,604 INFO L225 Difference]: With dead ends: 527 [2022-11-22 01:22:51,604 INFO L226 Difference]: Without dead ends: 524 [2022-11-22 01:22:51,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:22:51,606 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 68 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:51,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 87 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:22:51,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-11-22 01:22:51,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 431. [2022-11-22 01:22:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 421 states have (on average 1.2042755344418052) internal successors, (507), 430 states have internal predecessors, (507), 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) [2022-11-22 01:22:51,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 507 transitions. [2022-11-22 01:22:51,639 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 507 transitions. Word has length 28 [2022-11-22 01:22:51,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:51,640 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 507 transitions. [2022-11-22 01:22:51,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-22 01:22:51,640 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 507 transitions. [2022-11-22 01:22:51,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-22 01:22:51,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:51,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:51,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:22:51,642 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:51,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1820507792, now seen corresponding path program 1 times [2022-11-22 01:22:51,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:51,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45952534] [2022-11-22 01:22:51,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:51,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:51,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:51,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45952534] [2022-11-22 01:22:51,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45952534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:51,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:51,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:22:51,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700600129] [2022-11-22 01:22:51,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:51,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:22:51,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:51,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:22:51,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:22:51,732 INFO L87 Difference]: Start difference. First operand 431 states and 507 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-11-22 01:22:51,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:51,839 INFO L93 Difference]: Finished difference Result 454 states and 529 transitions. [2022-11-22 01:22:51,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:22:51,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) Word has length 29 [2022-11-22 01:22:51,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:51,842 INFO L225 Difference]: With dead ends: 454 [2022-11-22 01:22:51,842 INFO L226 Difference]: Without dead ends: 450 [2022-11-22 01:22:51,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:22:51,845 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 49 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:51,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 90 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:22:51,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-11-22 01:22:51,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 373. [2022-11-22 01:22:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 367 states have (on average 1.1907356948228882) internal successors, (437), 372 states have internal predecessors, (437), 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) [2022-11-22 01:22:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 437 transitions. [2022-11-22 01:22:51,880 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 437 transitions. Word has length 29 [2022-11-22 01:22:51,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:51,880 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 437 transitions. [2022-11-22 01:22:51,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-11-22 01:22:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 437 transitions. [2022-11-22 01:22:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 01:22:51,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:51,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:51,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:22:51,882 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:51,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:51,883 INFO L85 PathProgramCache]: Analyzing trace with hash -972508934, now seen corresponding path program 1 times [2022-11-22 01:22:51,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:51,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418911680] [2022-11-22 01:22:51,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:51,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:51,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:51,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418911680] [2022-11-22 01:22:51,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418911680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:51,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:51,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:22:51,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973150174] [2022-11-22 01:22:51,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:51,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:22:51,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:51,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:22:51,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:22:51,969 INFO L87 Difference]: Start difference. First operand 373 states and 437 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-11-22 01:22:52,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:52,130 INFO L93 Difference]: Finished difference Result 584 states and 672 transitions. [2022-11-22 01:22:52,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:22:52,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) Word has length 34 [2022-11-22 01:22:52,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:52,134 INFO L225 Difference]: With dead ends: 584 [2022-11-22 01:22:52,134 INFO L226 Difference]: Without dead ends: 580 [2022-11-22 01:22:52,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:22:52,135 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 141 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:52,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 112 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:22:52,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2022-11-22 01:22:52,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 482. [2022-11-22 01:22:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 476 states have (on average 1.180672268907563) internal successors, (562), 481 states have internal predecessors, (562), 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) [2022-11-22 01:22:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 562 transitions. [2022-11-22 01:22:52,178 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 562 transitions. Word has length 34 [2022-11-22 01:22:52,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:52,178 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 562 transitions. [2022-11-22 01:22:52,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-11-22 01:22:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 562 transitions. [2022-11-22 01:22:52,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-22 01:22:52,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:52,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:52,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:22:52,181 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:22:52,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:52,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1789593059, now seen corresponding path program 1 times [2022-11-22 01:22:52,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:52,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994722758] [2022-11-22 01:22:52,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:52,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:22:52,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:52,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994722758] [2022-11-22 01:22:52,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994722758] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:22:52,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099151589] [2022-11-22 01:22:52,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:52,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:22:52,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:22:52,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:22:52,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:22:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:52,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:22:52,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:22:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:52,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:22:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:52,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099151589] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:22:52,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [710517778] [2022-11-22 01:22:52,579 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-11-22 01:22:52,579 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:22:52,579 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:22:52,580 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:22:52,580 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:22:59,270 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:23:10,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [710517778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:10,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:23:10,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [3, 5, 5] total 46 [2022-11-22 01:23:10,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023032578] [2022-11-22 01:23:10,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:10,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-22 01:23:10,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:10,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-22 01:23:10,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=1775, Unknown=0, NotChecked=0, Total=2162 [2022-11-22 01:23:10,290 INFO L87 Difference]: Start difference. First operand 482 states and 562 transitions. Second operand has 36 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 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) [2022-11-22 01:23:38,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:38,053 INFO L93 Difference]: Finished difference Result 1019 states and 1187 transitions. [2022-11-22 01:23:38,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-22 01:23:38,054 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 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) Word has length 46 [2022-11-22 01:23:38,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:38,057 INFO L225 Difference]: With dead ends: 1019 [2022-11-22 01:23:38,057 INFO L226 Difference]: Without dead ends: 701 [2022-11-22 01:23:38,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 91 SyntacticMatches, 3 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4043 ImplicationChecksByTransitivity, 36.6s TimeCoverageRelationStatistics Valid=1831, Invalid=9725, Unknown=0, NotChecked=0, Total=11556 [2022-11-22 01:23:38,063 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 547 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:38,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 10 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:23:38,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2022-11-22 01:23:38,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 534. [2022-11-22 01:23:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 528 states have (on average 1.2007575757575757) internal successors, (634), 533 states have internal predecessors, (634), 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) [2022-11-22 01:23:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 634 transitions. [2022-11-22 01:23:38,120 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 634 transitions. Word has length 46 [2022-11-22 01:23:38,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:38,121 INFO L495 AbstractCegarLoop]: Abstraction has 534 states and 634 transitions. [2022-11-22 01:23:38,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 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) [2022-11-22 01:23:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 634 transitions. [2022-11-22 01:23:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-22 01:23:38,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:38,122 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:38,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:23:38,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-22 01:23:38,328 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:23:38,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:38,329 INFO L85 PathProgramCache]: Analyzing trace with hash 637085817, now seen corresponding path program 1 times [2022-11-22 01:23:38,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:38,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101683080] [2022-11-22 01:23:38,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:38,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:38,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:38,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101683080] [2022-11-22 01:23:38,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101683080] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:23:38,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600393089] [2022-11-22 01:23:38,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:38,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:23:38,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:23:38,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:23:38,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:23:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:38,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:23:38,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:23:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 01:23:38,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:23:38,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600393089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:38,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:23:38,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-11-22 01:23:38,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629309405] [2022-11-22 01:23:38,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:38,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:23:38,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:38,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:23:38,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:23:38,575 INFO L87 Difference]: Start difference. First operand 534 states and 634 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-22 01:23:38,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:38,698 INFO L93 Difference]: Finished difference Result 951 states and 1112 transitions. [2022-11-22 01:23:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:23:38,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) Word has length 56 [2022-11-22 01:23:38,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:38,701 INFO L225 Difference]: With dead ends: 951 [2022-11-22 01:23:38,701 INFO L226 Difference]: Without dead ends: 403 [2022-11-22 01:23:38,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:23:38,703 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:38,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 97 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:23:38,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-11-22 01:23:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 402. [2022-11-22 01:23:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 396 states have (on average 1.1111111111111112) internal successors, (440), 401 states have internal predecessors, (440), 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) [2022-11-22 01:23:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 440 transitions. [2022-11-22 01:23:38,737 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 440 transitions. Word has length 56 [2022-11-22 01:23:38,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:38,737 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 440 transitions. [2022-11-22 01:23:38,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-22 01:23:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 440 transitions. [2022-11-22 01:23:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-22 01:23:38,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:38,739 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:38,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:23:38,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-22 01:23:38,945 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:23:38,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:38,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1800647640, now seen corresponding path program 1 times [2022-11-22 01:23:38,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:38,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120964969] [2022-11-22 01:23:38,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:38,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 01:23:39,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:39,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120964969] [2022-11-22 01:23:39,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120964969] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:23:39,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502603075] [2022-11-22 01:23:39,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:39,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:23:39,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:23:39,126 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:23:39,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 01:23:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:39,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:23:39,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:23:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:39,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:23:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:39,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502603075] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:23:39,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [765860107] [2022-11-22 01:23:39,475 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-22 01:23:39,475 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:23:39,476 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:23:39,477 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:23:39,477 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:23:43,293 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:23:51,727 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10658#(and (<= 0 |ULTIMATE.start_main_~__tmp_5~0#1|) (<= |ULTIMATE.start_main_~__tmp_6~0#1| 1) (= ~__return_334~0 0) (<= 0 |ULTIMATE.start_main_~__tmp_3~0#1|) (<= |ULTIMATE.start_main_~__tmp_3~0#1| 1) (<= 0 |ULTIMATE.start_main_~__tmp_4~0#1|) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~4#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~3#1| 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~4#1| 1) (<= |ULTIMATE.start_main_~__tmp_5~0#1| 1) (<= 0 |ULTIMATE.start_main_~main____CPAchecker_TMP_6~0#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~5#1| 1) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~2#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~2#1| 1) (<= 4 |ULTIMATE.start_main_~main__bufsize~0#1|) (<= 0 |ULTIMATE.start_main_~__tmp_6~0#1|) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~5#1|) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~3#1|) (<= |ULTIMATE.start_main_~__tmp_4~0#1| 1) (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~main__limit~0#1|) (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~main__len~0#1|) (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (< 2147483646 |ULTIMATE.start_main_~main__j~0#1|) (= ~__return_main~0 0) (<= 0 |ULTIMATE.start_main_~main__i~0#1|) (= |#NULL.base| 0))' at error location [2022-11-22 01:23:51,728 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:23:51,728 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:23:51,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 13 [2022-11-22 01:23:51,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490850967] [2022-11-22 01:23:51,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:23:51,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-22 01:23:51,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:51,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-22 01:23:51,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=2066, Unknown=0, NotChecked=0, Total=2450 [2022-11-22 01:23:51,731 INFO L87 Difference]: Start difference. First operand 402 states and 440 transitions. Second operand has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 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) [2022-11-22 01:23:52,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:52,173 INFO L93 Difference]: Finished difference Result 692 states and 753 transitions. [2022-11-22 01:23:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-22 01:23:52,173 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 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) Word has length 65 [2022-11-22 01:23:52,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:52,176 INFO L225 Difference]: With dead ends: 692 [2022-11-22 01:23:52,176 INFO L226 Difference]: Without dead ends: 670 [2022-11-22 01:23:52,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 142 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1556 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=569, Invalid=2971, Unknown=0, NotChecked=0, Total=3540 [2022-11-22 01:23:52,178 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 618 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:52,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 171 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:23:52,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2022-11-22 01:23:52,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 187. [2022-11-22 01:23:52,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 185 states have (on average 1.0810810810810811) internal successors, (200), 186 states have internal predecessors, (200), 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) [2022-11-22 01:23:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 200 transitions. [2022-11-22 01:23:52,205 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 200 transitions. Word has length 65 [2022-11-22 01:23:52,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:52,206 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 200 transitions. [2022-11-22 01:23:52,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 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) [2022-11-22 01:23:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 200 transitions. [2022-11-22 01:23:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-22 01:23:52,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:52,209 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:52,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:23:52,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:23:52,415 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:23:52,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:52,415 INFO L85 PathProgramCache]: Analyzing trace with hash -345236870, now seen corresponding path program 1 times [2022-11-22 01:23:52,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:52,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947393899] [2022-11-22 01:23:52,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:52,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-22 01:23:52,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:52,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947393899] [2022-11-22 01:23:52,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947393899] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:23:52,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317598410] [2022-11-22 01:23:52,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:52,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:23:52,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:23:52,513 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:23:52,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 01:23:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:52,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:23:52,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:23:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:52,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:23:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:52,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317598410] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:23:52,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [681388102] [2022-11-22 01:23:52,891 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-22 01:23:52,891 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:23:52,891 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:23:52,892 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:23:52,892 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:23:55,045 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:24:05,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [681388102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:24:05,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:24:05,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [3, 6, 6] total 44 [2022-11-22 01:24:05,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262811893] [2022-11-22 01:24:05,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:24:05,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-22 01:24:05,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:24:05,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-22 01:24:05,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1649, Unknown=0, NotChecked=0, Total=1980 [2022-11-22 01:24:05,240 INFO L87 Difference]: Start difference. First operand 187 states and 200 transitions. Second operand has 34 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 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) [2022-11-22 01:24:23,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:24:23,906 INFO L93 Difference]: Finished difference Result 213 states and 234 transitions. [2022-11-22 01:24:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-22 01:24:23,907 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 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) Word has length 76 [2022-11-22 01:24:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:24:23,907 INFO L225 Difference]: With dead ends: 213 [2022-11-22 01:24:23,907 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:24:23,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 170 SyntacticMatches, 16 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3778 ImplicationChecksByTransitivity, 28.0s TimeCoverageRelationStatistics Valid=1903, Invalid=8809, Unknown=0, NotChecked=0, Total=10712 [2022-11-22 01:24:23,909 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 435 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:24:23,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 0 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 01:24:23,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:24:23,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:24:23,911 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) [2022-11-22 01:24:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:24:23,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2022-11-22 01:24:23,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:24:23,911 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:24:23,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 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) [2022-11-22 01:24:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:24:23,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:24:23,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-22 01:24:23,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-22 01:24:23,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-22 01:24:23,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-22 01:24:23,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-22 01:24:23,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-22 01:24:23,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-22 01:24:23,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-22 01:24:23,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-11-22 01:24:23,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-11-22 01:24:23,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-11-22 01:24:23,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-11-22 01:24:23,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-22 01:24:23,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-22 01:24:23,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-22 01:24:23,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-22 01:24:23,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-22 01:24:23,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-22 01:24:23,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-22 01:24:23,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-22 01:24:23,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 01:24:24,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-22 01:24:24,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:24:34,577 WARN L233 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 391 DAG size of output: 391 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-22 01:24:44,827 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:24:44,827 INFO L899 garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed. [2022-11-22 01:24:44,828 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-11-22 01:24:44,828 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 281) no Hoare annotation was computed. [2022-11-22 01:24:44,828 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-11-22 01:24:44,828 INFO L899 garLoopResultBuilder]: For program point L118-1(line 118) no Hoare annotation was computed. [2022-11-22 01:24:44,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 235) no Hoare annotation was computed. [2022-11-22 01:24:44,828 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 123) no Hoare annotation was computed. [2022-11-22 01:24:44,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 118) no Hoare annotation was computed. [2022-11-22 01:24:44,829 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 300) no Hoare annotation was computed. [2022-11-22 01:24:44,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-22 01:24:44,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:24:44,829 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-11-22 01:24:44,829 INFO L899 garLoopResultBuilder]: For program point L185-1(line 185) no Hoare annotation was computed. [2022-11-22 01:24:44,830 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 127) no Hoare annotation was computed. [2022-11-22 01:24:44,830 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 237) no Hoare annotation was computed. [2022-11-22 01:24:44,830 INFO L899 garLoopResultBuilder]: For program point L20(lines 20 312) no Hoare annotation was computed. [2022-11-22 01:24:44,830 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 267) no Hoare annotation was computed. [2022-11-22 01:24:44,830 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 288) no Hoare annotation was computed. [2022-11-22 01:24:44,830 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2022-11-22 01:24:44,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 120) no Hoare annotation was computed. [2022-11-22 01:24:44,831 INFO L899 garLoopResultBuilder]: For program point L235-1(line 235) no Hoare annotation was computed. [2022-11-22 01:24:44,833 INFO L895 garLoopResultBuilder]: At program point L293(lines 38 294) the Hoare annotation is: (let ((.cse43 (+ |ULTIMATE.start_main_~main__i~0#1| 1))) (let ((.cse42 (select |#memory_int| 1)) (.cse33 (< .cse43 |ULTIMATE.start_main_~main__len~0#1|))) (let ((.cse26 (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1|)) (.cse29 (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 1)) (.cse1 (<= 1 |ULTIMATE.start_main_~main__j~0#1|)) (.cse31 (<= |ULTIMATE.start_main_~__tmp_1~0#1| 1)) (.cse32 (<= 0 |ULTIMATE.start_main_~__tmp_1~0#1|)) (.cse11 (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643)) (.cse35 (<= |ULTIMATE.start_main_~__tmp_2~0#1| 1)) (.cse37 (<= 0 |ULTIMATE.start_main_~__tmp_2~0#1|)) (.cse24 (<= 0 (+ |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 2147483648))) (.cse25 (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1| 0))) (.cse27 (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1| 1)) (.cse28 (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1|)) (.cse30 (<= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 2147483647)) (.cse36 (not (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 0))) (.cse0 (<= 0 |ULTIMATE.start_main_~main__bufsize~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~main__i~0#1| 2147483646)) (.cse5 (not .cse33)) (.cse9 (<= 0 (+ |ULTIMATE.start_main_~main__len~0#1| 2147483648))) (.cse23 (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647)) (.cse16 (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (.cse2 (= (select |#length| 3) 12)) (.cse3 (= ~__return_334~0 0)) (.cse6 (= 36 (select |#length| 2))) (.cse38 (< |ULTIMATE.start_main_~main__i~0#1| |ULTIMATE.start_main_~main__len~0#1|)) (.cse7 (= 2 (select |#length| 1))) (.cse8 (= (select |#valid| 3) 1)) (.cse40 (= (+ |ULTIMATE.start_main_~main__limit~0#1| 4) |ULTIMATE.start_main_~main__bufsize~0#1|)) (.cse41 (= |ULTIMATE.start_main_~main__i~0#1| 0)) (.cse22 (= |ULTIMATE.start_main_~main__j~0#1| 0)) (.cse39 (<= |ULTIMATE.start_main_~main__len~0#1| .cse43)) (.cse10 (= (select |#valid| 1) 1)) (.cse12 (= (select |#valid| 0) 0)) (.cse13 (= (select |#valid| 2) 1)) (.cse14 (= |#NULL.offset| 0)) (.cse34 (< |ULTIMATE.start_main_~main__j~0#1| |ULTIMATE.start_main_~main__limit~0#1|)) (.cse15 (= (select .cse42 0) 48)) (.cse17 (= (select .cse42 1) 0)) (.cse18 (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647)) (.cse19 (= ~__return_main~0 0)) (.cse20 (< 0 |#StackHeapBarrier|)) (.cse21 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |ULTIMATE.start_main_~main__j~0#1| 2147483642) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse12 .cse13 .cse14 .cse15 (<= |ULTIMATE.start_main_~main__j~0#1| 2) .cse16 .cse17 .cse18 .cse19 .cse20 .cse21) (and (or (and .cse1 .cse2 .cse3 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 .cse16) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 .cse22 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse23 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21)) .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 (<= 4 |ULTIMATE.start_main_~main__bufsize~0#1|) .cse30 .cse31 .cse32 .cse13 .cse14 .cse33 .cse34 .cse15 .cse23 .cse35 .cse17 .cse18 .cse19 .cse20 .cse21 .cse36 .cse37) (and (<= |ULTIMATE.start_main_~__tmp_9~0#1| 1) (<= |ULTIMATE.start_main_~__tmp_11~0#1| 1) (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~14#1| 0)) .cse2 (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~9#1| 1) (<= 0 |ULTIMATE.start_main_~main____CPAchecker_TMP_2~0#1|) .cse3 (<= 0 |ULTIMATE.start_main_~__tmp_7~0#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~10#1| 1) (<= 3 |ULTIMATE.start_main_~main__j~0#1|) (= |ULTIMATE.start_main_~__tmp_15~0#1| (ite (< |ULTIMATE.start_main_~main__j~0#1| (+ |ULTIMATE.start_main_~main__bufsize~0#1| 1)) 1 0)) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~11#1| 1) (<= |ULTIMATE.start_main_~__tmp_12~0#1| 1) .cse26 .cse27 (<= |ULTIMATE.start_main_~__tmp_8~0#1| 1) (<= |ULTIMATE.start_main_~__tmp_7~0#1| 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~7#1| 1) (<= |ULTIMATE.start_main_~__tmp_14~0#1| 1) .cse6 .cse38 (<= 0 |ULTIMATE.start_main_~__tmp_11~0#1|) (<= 0 |ULTIMATE.start_main_~__tmp_9~0#1|) (<= 0 |ULTIMATE.start_main_~__tmp_14~0#1|) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~7#1|) (<= |ULTIMATE.start_main_~main__j~0#1| 2147483643) .cse28 (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~9#1|) .cse29 (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~8#1| 1) (<= |ULTIMATE.start_main_~__tmp_10~0#1| 1) .cse7 .cse8 (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~13#1| 1) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~13#1|) (= |ULTIMATE.start_main_~main__i~0#1| (+ |ULTIMATE.start_main_~main____CPAchecker_TMP_4~0#1| 1)) (<= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 0) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~12#1| 1) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~10#1|) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~6#1|) (= |ULTIMATE.start_main_~main__j~0#1| (+ |ULTIMATE.start_main_~main____CPAchecker_TMP_5~0#1| 1)) (<= 0 |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1|) (<= 0 |ULTIMATE.start_main_~__tmp_12~0#1|) (<= 0 |ULTIMATE.start_main_~__tmp_8~0#1|) (= |ULTIMATE.start_main_~__tmp_16~0#1| (ite .cse1 1 0)) .cse31 .cse32 .cse39 .cse10 (= |ULTIMATE.start_main_~__tmp_15~0#1| |ULTIMATE.start_main_~__VERIFIER_assert__cond~14#1|) (<= 0 |ULTIMATE.start_main_~main____CPAchecker_TMP_1~0#1|) (= |ULTIMATE.start_main_~__tmp_16~0#1| |ULTIMATE.start_main_~__VERIFIER_assert__cond~15#1|) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~8#1|) (<= 0 |ULTIMATE.start_main_~__tmp_13~0#1|) .cse11 .cse12 .cse13 .cse14 (<= 0 |ULTIMATE.start_main_~main__limit~0#1|) .cse15 (<= 1 |ULTIMATE.start_main_~main____CPAchecker_TMP_3~0#1|) .cse23 .cse35 (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~6#1| 1) (<= |ULTIMATE.start_main_~__tmp_13~0#1| 1) .cse17 .cse18 (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~12#1|) .cse19 (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~11#1|) (<= 0 |ULTIMATE.start_main_~__tmp_10~0#1|) (<= 1 |ULTIMATE.start_main_~main____CPAchecker_TMP_4~0#1|) .cse20 .cse21 .cse37) (and (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| |ULTIMATE.start_main_~__tmp_1~0#1|) .cse24 .cse2 .cse3 .cse25 (= (ite (<= 0 |ULTIMATE.start_main_~main__i~0#1|) 1 0) |ULTIMATE.start_main_~__tmp_2~0#1|) .cse27 .cse6 .cse28 .cse7 .cse8 .cse40 .cse30 .cse41 .cse22 .cse10 .cse12 (= (ite .cse33 1 0) |ULTIMATE.start_main_~__tmp_1~0#1|) .cse13 .cse14 .cse33 .cse34 .cse15 .cse23 .cse17 .cse18 .cse19 .cse20 .cse21 .cse36) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse22 .cse10 .cse12 .cse13 .cse14 .cse15 .cse23 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21) (and .cse2 .cse3 .cse6 .cse38 .cse7 .cse8 .cse40 .cse41 .cse22 .cse39 .cse10 .cse12 .cse13 .cse14 .cse34 .cse15 .cse17 .cse18 .cse19 .cse20 .cse21))))) [2022-11-22 01:24:44,833 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 269) no Hoare annotation was computed. [2022-11-22 01:24:44,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-22 01:24:44,834 INFO L899 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2022-11-22 01:24:44,834 INFO L899 garLoopResultBuilder]: For program point L120-1(line 120) no Hoare annotation was computed. [2022-11-22 01:24:44,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 237) no Hoare annotation was computed. [2022-11-22 01:24:44,834 INFO L895 garLoopResultBuilder]: At program point L310(lines 13 313) the Hoare annotation is: (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647) [2022-11-22 01:24:44,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 120) no Hoare annotation was computed. [2022-11-22 01:24:44,837 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 273) no Hoare annotation was computed. [2022-11-22 01:24:44,838 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-22 01:24:44,839 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-22 01:24:44,839 INFO L899 garLoopResultBuilder]: For program point L38-2(lines 38 294) no Hoare annotation was computed. [2022-11-22 01:24:44,839 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 263) no Hoare annotation was computed. [2022-11-22 01:24:44,839 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2022-11-22 01:24:44,839 INFO L899 garLoopResultBuilder]: For program point L237-1(line 237) no Hoare annotation was computed. [2022-11-22 01:24:44,840 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 183) no Hoare annotation was computed. [2022-11-22 01:24:44,840 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 279) no Hoare annotation was computed. [2022-11-22 01:24:44,840 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 263) no Hoare annotation was computed. [2022-11-22 01:24:44,841 INFO L895 garLoopResultBuilder]: At program point L304(lines 25 312) the Hoare annotation is: (let ((.cse19 (select |#memory_int| 1)) (.cse0 (<= 0 |ULTIMATE.start_main_~main__bufsize~0#1|)) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= ~__return_334~0 0)) (.cse3 (= 36 (select |#length| 2))) (.cse4 (= 2 (select |#length| 1))) (.cse5 (= (select |#valid| 3) 1)) (.cse6 (<= 0 (+ |ULTIMATE.start_main_~main__len~0#1| 2147483648))) (.cse7 (= (select |#valid| 1) 1)) (.cse12 (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647))) (let ((.cse18 (let ((.cse20 (<= 1 |ULTIMATE.start_main_~main__i~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_main_~main__j~0#1| 0) .cse7 .cse12 .cse20) (and .cse0 (<= 1 |ULTIMATE.start_main_~main__j~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse12 .cse20)))) (.cse8 (= (select |#valid| 0) 0)) (.cse9 (= (select |#valid| 2) 1)) (.cse10 (= |#NULL.offset| 0)) (.cse11 (= (select .cse19 0) 48)) (.cse13 (= (select .cse19 1) 0)) (.cse14 (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647)) (.cse15 (= ~__return_main~0 0)) (.cse16 (< 0 |#StackHeapBarrier|)) (.cse17 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= (+ |ULTIMATE.start_main_~main__limit~0#1| 4) |ULTIMATE.start_main_~main__bufsize~0#1|) (= |ULTIMATE.start_main_~main__i~0#1| 0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and (<= |ULTIMATE.start_main_~main__len~0#1| |ULTIMATE.start_main_~main__i~0#1|) .cse18 .cse8 .cse9 .cse10 .cse11 .cse13 .cse14 .cse15 .cse16 .cse17) (and (<= 0 (+ |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 2147483648)) (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1| 0)) .cse18 (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1| 1) (< |ULTIMATE.start_main_~main__j~0#1| 2147483646) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 1) (<= 4 |ULTIMATE.start_main_~main__bufsize~0#1|) (<= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 2147483647) (<= |ULTIMATE.start_main_~__tmp_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~__tmp_1~0#1|) (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643) .cse8 .cse9 .cse10 (<= 0 |ULTIMATE.start_main_~main__limit~0#1|) .cse11 (<= |ULTIMATE.start_main_~__tmp_2~0#1| 1) .cse13 .cse14 .cse15 .cse16 .cse17 (<= 0 |ULTIMATE.start_main_~__tmp_2~0#1|))))) [2022-11-22 01:24:44,841 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 283) no Hoare annotation was computed. [2022-11-22 01:24:44,841 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 183) no Hoare annotation was computed. [2022-11-22 01:24:44,841 INFO L899 garLoopResultBuilder]: For program point L263(line 263) no Hoare annotation was computed. [2022-11-22 01:24:44,842 INFO L899 garLoopResultBuilder]: For program point L263-1(line 263) no Hoare annotation was computed. [2022-11-22 01:24:44,842 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 125) no Hoare annotation was computed. [2022-11-22 01:24:44,842 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 265) no Hoare annotation was computed. [2022-11-22 01:24:44,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-22 01:24:44,842 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 286) no Hoare annotation was computed. [2022-11-22 01:24:44,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 185) no Hoare annotation was computed. [2022-11-22 01:24:44,843 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 129) no Hoare annotation was computed. [2022-11-22 01:24:44,843 INFO L895 garLoopResultBuilder]: At program point L264(lines 31 306) the Hoare annotation is: (let ((.cse21 (select |#memory_int| 1))) (let ((.cse6 (= |ULTIMATE.start_main_~main__j~0#1| 0)) (.cse18 (<= 1 |ULTIMATE.start_main_~main__j~0#1|)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (= ~__return_334~0 0)) (.cse2 (= 36 (select |#length| 2))) (.cse3 (= 2 (select |#length| 1))) (.cse4 (= (select |#valid| 3) 1)) (.cse7 (= (select |#valid| 1) 1)) (.cse8 (= (select |#valid| 0) 0)) (.cse9 (= (select |#valid| 2) 1)) (.cse10 (= |#NULL.offset| 0)) (.cse11 (= (select .cse21 0) 48)) (.cse19 (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (.cse12 (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647)) (.cse13 (= (select .cse21 1) 0)) (.cse14 (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647)) (.cse15 (= ~__return_main~0 0)) (.cse16 (< 0 |#StackHeapBarrier|)) (.cse17 (= |#NULL.base| 0))) (or (let ((.cse5 (+ |ULTIMATE.start_main_~main__limit~0#1| 4))) (and .cse0 .cse1 .cse2 (< |ULTIMATE.start_main_~main__i~0#1| |ULTIMATE.start_main_~main__len~0#1|) .cse3 .cse4 (= .cse5 |ULTIMATE.start_main_~main__bufsize~0#1|) (= |ULTIMATE.start_main_~main__i~0#1| 0) .cse6 .cse7 .cse8 (<= 0 .cse5) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17)) (and (<= 0 |ULTIMATE.start_main_~main__bufsize~0#1|) .cse18 .cse0 .cse1 (<= |ULTIMATE.start_main_~main__len~0#1| |ULTIMATE.start_main_~main__i~0#1|) .cse2 .cse3 .cse4 (<= 0 (+ |ULTIMATE.start_main_~main__len~0#1| 2147483648)) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17) (and (<= 0 (+ |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 2147483648)) (<= |ULTIMATE.start_main_~main__i~0#1| 2147483647) (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1| 0)) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1| 1) (<= 0 |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 1) (let ((.cse20 (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse20 .cse8 .cse9 .cse10 .cse11 .cse19) (and .cse18 .cse0 .cse1 (< |ULTIMATE.start_main_~main__j~0#1| 2147483646) .cse2 .cse3 .cse4 .cse7 .cse20 .cse8 .cse9 .cse10 .cse11 .cse19))) (<= 4 |ULTIMATE.start_main_~main__bufsize~0#1|) (<= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 2147483647) (<= |ULTIMATE.start_main_~__tmp_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~__tmp_1~0#1|) (<= 0 |ULTIMATE.start_main_~main__limit~0#1|) .cse12 (<= |ULTIMATE.start_main_~__tmp_2~0#1| 1) (<= 1 |ULTIMATE.start_main_~main__len~0#1|) .cse13 .cse14 .cse15 .cse16 .cse17 (<= 0 |ULTIMATE.start_main_~__tmp_2~0#1|))))) [2022-11-22 01:24:44,843 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 285) no Hoare annotation was computed. [2022-11-22 01:24:44,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:24:44,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-22 01:24:44,844 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 271) no Hoare annotation was computed. [2022-11-22 01:24:44,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 185) no Hoare annotation was computed. [2022-11-22 01:24:44,844 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2022-11-22 01:24:44,845 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-11-22 01:24:44,845 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 275) no Hoare annotation was computed. [2022-11-22 01:24:44,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:24:44,845 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2022-11-22 01:24:44,845 INFO L899 garLoopResultBuilder]: For program point L183-1(line 183) no Hoare annotation was computed. [2022-11-22 01:24:44,845 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 277) no Hoare annotation was computed. [2022-11-22 01:24:44,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 235) no Hoare annotation was computed. [2022-11-22 01:24:44,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 118) no Hoare annotation was computed. [2022-11-22 01:24:44,850 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:24:44,852 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:24:44,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:24:44 BoogieIcfgContainer [2022-11-22 01:24:44,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:24:44,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:24:44,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:24:44,906 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:24:44,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:22:38" (3/4) ... [2022-11-22 01:24:44,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:24:44,939 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-22 01:24:44,942 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 01:24:44,943 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 01:24:44,943 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:24:45,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:24:45,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:24:45,027 INFO L158 Benchmark]: Toolchain (without parser) took 127396.47ms. Allocated memory was 161.5MB in the beginning and 465.6MB in the end (delta: 304.1MB). Free memory was 115.7MB in the beginning and 359.6MB in the end (delta: -243.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2022-11-22 01:24:45,028 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 161.5MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:24:45,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.31ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 99.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:24:45,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.14ms. Allocated memory is still 161.5MB. Free memory was 99.0MB in the beginning and 97.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:24:45,030 INFO L158 Benchmark]: Boogie Preprocessor took 40.02ms. Allocated memory is still 161.5MB. Free memory was 97.0MB in the beginning and 96.0MB in the end (delta: 971.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:24:45,030 INFO L158 Benchmark]: RCFGBuilder took 457.46ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 79.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:24:45,031 INFO L158 Benchmark]: TraceAbstraction took 126384.18ms. Allocated memory was 161.5MB in the beginning and 465.6MB in the end (delta: 304.1MB). Free memory was 78.7MB in the beginning and 364.8MB in the end (delta: -286.2MB). Peak memory consumption was 236.1MB. Max. memory is 16.1GB. [2022-11-22 01:24:45,032 INFO L158 Benchmark]: Witness Printer took 121.51ms. Allocated memory is still 465.6MB. Free memory was 364.8MB in the beginning and 359.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:24:45,037 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 161.5MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.31ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 99.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.14ms. Allocated memory is still 161.5MB. Free memory was 99.0MB in the beginning and 97.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.02ms. Allocated memory is still 161.5MB. Free memory was 97.0MB in the beginning and 96.0MB in the end (delta: 971.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.46ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 79.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 126384.18ms. Allocated memory was 161.5MB in the beginning and 465.6MB in the end (delta: 304.1MB). Free memory was 78.7MB in the beginning and 364.8MB in the end (delta: -286.2MB). Peak memory consumption was 236.1MB. Max. memory is 16.1GB. * Witness Printer took 121.51ms. Allocated memory is still 465.6MB. Free memory was 364.8MB in the beginning and 359.6MB in the end (delta: 5.2MB). 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 185]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 185]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 237]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 237]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 263]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 263]: 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 1 procedures, 66 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 126.2s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 49.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2435 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2435 mSDsluCounter, 1139 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 613 mSDsCounter, 275 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2941 IncrementalHoareTripleChecker+Invalid, 3216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 275 mSolverCounterUnsat, 526 mSDtfsCounter, 2941 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 950 GetRequests, 594 SyntacticMatches, 28 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9723 ImplicationChecksByTransitivity, 79.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=534occurred in iteration=11, InterpolantAutomatonStates: 198, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 1095 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 73 NumberOfFragments, 1778 HoareAnnotationTreeSize, 4 FomulaSimplifications, 12329 FormulaSimplificationTreeSizeReduction, 10.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 552892 FormulaSimplificationTreeSizeReductionInter, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 762 NumberOfCodeBlocks, 762 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 972 ConstructedInterpolants, 0 QuantifiedInterpolants, 2711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1152 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 26 InterpolantComputations, 9 PerfectInterpolantSequences, 86/311 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: OVERALL_TIME: 9.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 112, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 322, TOOLS_POST_TIME: 8.6s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 322, TOOLS_QUANTIFIERELIM_TIME: 8.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 447, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 112, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 7.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 7.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 3820, DAG_COMPRESSION_RETAINED_NODES: 347, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((0 <= main__bufsize && 1 <= main__j) && unknown-#length-unknown[3] == 12) && __return_334 == 0) && main__i <= 2147483646) && !(main__i + 1 < main__len)) && main__j <= 2147483642) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && \valid[1] == 1) && main__limit <= 2147483643) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 1 <= main__i) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((0 <= main__bufsize && 1 <= main__j) && unknown-#length-unknown[3] == 12) && __return_334 == 0) && main__i <= 2147483646) && !(main__i + 1 < main__len)) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && main__j <= 2) && 1 <= main__i) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((1 <= main__j && unknown-#length-unknown[3] == 12) && __return_334 == 0) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && \valid[1] == 1) && main__limit <= 2147483643) && \valid[0] == 0) && 1 <= main__i) || (((((((((((((((((((((0 <= main__bufsize && unknown-#length-unknown[3] == 12) && __return_334 == 0) && main__i <= 2147483646) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && main__j == 0) && \valid[1] == 1) && main__limit <= 2147483643) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && main__len <= 2147483647) && 1 <= main__i) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) && 0 <= main____CPAchecker_TMP_0 + 2147483648) && !(__VERIFIER_assert__cond == 0)) && 0 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond <= 1) && 0 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond <= 1) && 4 <= main__bufsize) && main____CPAchecker_TMP_0 <= 2147483647) && __tmp_1 <= 1) && 0 <= __tmp_1) && \valid[2] == 1) && #NULL == 0) && main__i + 1 < main__len) && main__j < main__limit) && unknown-#memory_int-unknown[1][0] == 48) && main__len <= 2147483647) && __tmp_2 <= 1) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && !(main____CPAchecker_TMP_0 == 0)) && 0 <= __tmp_2)) || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((__tmp_9 <= 1 && __tmp_11 <= 1) && !(__VERIFIER_assert__cond == 0)) && unknown-#length-unknown[3] == 12) && __VERIFIER_assert__cond <= 1) && 0 <= main____CPAchecker_TMP_2) && __return_334 == 0) && 0 <= __tmp_7) && __VERIFIER_assert__cond <= 1) && 3 <= main__j) && __tmp_15 == (if main__j < main__bufsize + 1 then 1 else 0)) && __VERIFIER_assert__cond <= 1) && __tmp_12 <= 1) && 0 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond <= 1) && __tmp_8 <= 1) && __tmp_7 <= 1) && __VERIFIER_assert__cond <= 1) && __tmp_14 <= 1) && 36 == unknown-#length-unknown[2]) && main__i < main__len) && 0 <= __tmp_11) && 0 <= __tmp_9) && 0 <= __tmp_14) && 0 <= __VERIFIER_assert__cond) && main__j <= 2147483643) && 0 <= __VERIFIER_assert__cond) && 0 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond <= 1) && __VERIFIER_assert__cond <= 1) && __tmp_10 <= 1) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && __VERIFIER_assert__cond <= 1) && 0 <= __VERIFIER_assert__cond) && main__i == main____CPAchecker_TMP_4 + 1) && main____CPAchecker_TMP_0 <= 0) && __VERIFIER_assert__cond <= 1) && 0 <= __VERIFIER_assert__cond) && 0 <= __VERIFIER_assert__cond) && main__j == main____CPAchecker_TMP_5 + 1) && 0 <= main____CPAchecker_TMP_0) && 0 <= __tmp_12) && 0 <= __tmp_8) && __tmp_16 == (if 1 <= main__j then 1 else 0)) && __tmp_1 <= 1) && 0 <= __tmp_1) && main__len <= main__i + 1) && \valid[1] == 1) && __tmp_15 == __VERIFIER_assert__cond) && 0 <= main____CPAchecker_TMP_1) && __tmp_16 == __VERIFIER_assert__cond) && 0 <= __VERIFIER_assert__cond) && 0 <= __tmp_13) && main__limit <= 2147483643) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 0 <= main__limit) && unknown-#memory_int-unknown[1][0] == 48) && 1 <= main____CPAchecker_TMP_3) && main__len <= 2147483647) && __tmp_2 <= 1) && __VERIFIER_assert__cond <= 1) && __tmp_13 <= 1) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && 0 <= __VERIFIER_assert__cond) && __return_main == 0) && 0 <= __VERIFIER_assert__cond) && 0 <= __tmp_10) && 1 <= main____CPAchecker_TMP_4) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && 0 <= __tmp_2)) || (((((((((((((((((((((((((((((__VERIFIER_assert__cond == __tmp_1 && 0 <= main____CPAchecker_TMP_0 + 2147483648) && unknown-#length-unknown[3] == 12) && __return_334 == 0) && !(__VERIFIER_assert__cond == 0)) && (if 0 <= main__i then 1 else 0) == __tmp_2) && __VERIFIER_assert__cond <= 1) && 36 == unknown-#length-unknown[2]) && 0 <= __VERIFIER_assert__cond) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && main__limit + 4 == main__bufsize) && main____CPAchecker_TMP_0 <= 2147483647) && main__i == 0) && main__j == 0) && \valid[1] == 1) && \valid[0] == 0) && (if main__i + 1 < main__len then 1 else 0) == __tmp_1) && \valid[2] == 1) && #NULL == 0) && main__i + 1 < main__len) && main__j < main__limit) && unknown-#memory_int-unknown[1][0] == 48) && main__len <= 2147483647) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && !(main____CPAchecker_TMP_0 == 0))) || (((((((((((((((((((((0 <= main__bufsize && unknown-#length-unknown[3] == 12) && __return_334 == 0) && main__i <= 2147483646) && !(main__i + 1 < main__len)) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && main__j == 0) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && main__len <= 2147483647) && 1 <= main__i) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((unknown-#length-unknown[3] == 12 && __return_334 == 0) && 36 == unknown-#length-unknown[2]) && main__i < main__len) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && main__limit + 4 == main__bufsize) && main__i == 0) && main__j == 0) && main__len <= main__i + 1) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && main__j < main__limit) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((((((((((((((((((unknown-#length-unknown[3] == 12 && __return_334 == 0) && 36 == unknown-#length-unknown[2]) && main__i < main__len) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && main__limit + 4 == main__bufsize) && main__i == 0) && main__j == 0) && \valid[1] == 1) && \valid[0] == 0) && 0 <= main__limit + 4) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && main__len <= 2147483647) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((0 <= main__bufsize && 1 <= main__j) && unknown-#length-unknown[3] == 12) && __return_334 == 0) && main__len <= main__i) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && main__len <= 2147483647) && 1 <= main__i) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((0 <= main____CPAchecker_TMP_0 + 2147483648 && main__i <= 2147483647) && !(__VERIFIER_assert__cond == 0)) && 0 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond <= 1) && 0 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond <= 1) && (((((((((((((unknown-#length-unknown[3] == 12 && __return_334 == 0) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && main__j == 0) && \valid[1] == 1) && main__limit <= 2147483643) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 1 <= main__i) || (((((((((((((1 <= main__j && unknown-#length-unknown[3] == 12) && __return_334 == 0) && main__j < 2147483646) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && \valid[1] == 1) && main__limit <= 2147483643) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 1 <= main__i))) && 4 <= main__bufsize) && main____CPAchecker_TMP_0 <= 2147483647) && __tmp_1 <= 1) && 0 <= __tmp_1) && 0 <= main__limit) && main__len <= 2147483647) && __tmp_2 <= 1) && 1 <= main__len) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && 0 <= __tmp_2) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: main__bufsize <= 2147483647 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((((((((((((((((((0 <= main__bufsize && unknown-#length-unknown[3] == 12) && __return_334 == 0) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && main__limit + 4 == main__bufsize) && main__i == 0) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && main__len <= 2147483647) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((main__len <= main__i && (((((((((((0 <= main__bufsize && unknown-#length-unknown[3] == 12) && __return_334 == 0) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && main__j == 0) && \valid[1] == 1) && main__len <= 2147483647) && 1 <= main__i) || ((((((((((0 <= main__bufsize && 1 <= main__j) && unknown-#length-unknown[3] == 12) && __return_334 == 0) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && \valid[1] == 1) && main__len <= 2147483647) && 1 <= main__i))) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((((((0 <= main____CPAchecker_TMP_0 + 2147483648 && !(__VERIFIER_assert__cond == 0)) && (((((((((((0 <= main__bufsize && unknown-#length-unknown[3] == 12) && __return_334 == 0) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && main__j == 0) && \valid[1] == 1) && main__len <= 2147483647) && 1 <= main__i) || ((((((((((0 <= main__bufsize && 1 <= main__j) && unknown-#length-unknown[3] == 12) && __return_334 == 0) && 36 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= main__len + 2147483648) && \valid[1] == 1) && main__len <= 2147483647) && 1 <= main__i))) && 0 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond <= 1) && main__j < 2147483646) && 0 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond <= 1) && 4 <= main__bufsize) && main____CPAchecker_TMP_0 <= 2147483647) && __tmp_1 <= 1) && 0 <= __tmp_1) && main__limit <= 2147483643) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 0 <= main__limit) && unknown-#memory_int-unknown[1][0] == 48) && __tmp_2 <= 1) && unknown-#memory_int-unknown[1][1] == 0) && main__bufsize <= 2147483647) && __return_main == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && 0 <= __tmp_2) RESULT: Ultimate proved your program to be correct! [2022-11-22 01:24:45,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2025874-a3cc-480e-ac5c-56ca00cfc2e7/bin/utaipan-g80aRyZoba/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