./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh --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 a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a --- 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-2329fc7 [2022-12-14 15:10:02,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:10:02,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:10:02,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:10:02,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:10:02,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:10:02,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:10:02,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:10:02,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:10:02,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:10:02,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:10:02,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:10:02,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:10:02,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:10:02,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:10:02,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:10:02,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:10:02,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:10:02,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:10:02,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:10:02,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:10:02,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:10:02,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:10:02,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:10:02,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:10:02,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:10:02,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:10:02,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:10:02,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:10:02,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:10:02,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:10:02,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:10:02,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:10:02,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:10:02,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:10:02,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:10:02,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:10:02,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:10:02,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:10:02,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:10:02,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:10:02,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 15:10:02,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:10:02,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:10:02,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:10:02,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:10:02,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:10:02,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:10:02,683 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:10:02,683 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:10:02,683 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:10:02,684 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:10:02,684 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:10:02,684 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:10:02,684 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:10:02,684 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:10:02,685 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:10:02,685 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:10:02,685 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:10:02,685 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:10:02,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:10:02,686 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:10:02,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:10:02,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:10:02,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:10:02,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:10:02,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:10:02,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:10:02,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:10:02,687 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:10:02,688 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:10:02,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:10:02,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:10:02,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:10:02,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:10:02,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:10:02,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:10:02,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:10:02,689 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:10:02,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:10:02,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:10:02,690 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:10:02,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:10:02,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:10:02,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:10:02,691 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_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a [2022-12-14 15:10:02,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:10:02,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:10:02,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:10:02,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:10:02,899 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:10:02,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-12-14 15:10:05,482 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:10:05,615 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:10:05,615 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-12-14 15:10:05,619 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/data/499911143/032e82cedec04c39a793d3b287defb3a/FLAGfda7c9bd4 [2022-12-14 15:10:05,629 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/data/499911143/032e82cedec04c39a793d3b287defb3a [2022-12-14 15:10:05,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:10:05,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:10:05,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:10:05,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:10:05,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:10:05,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59998673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05, skipping insertion in model container [2022-12-14 15:10:05,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:10:05,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:10:05,756 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_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-12-14 15:10:05,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:10:05,770 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:10:05,779 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_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-12-14 15:10:05,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:10:05,791 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:10:05,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05 WrapperNode [2022-12-14 15:10:05,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:10:05,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:10:05,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:10:05,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:10:05,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,819 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2022-12-14 15:10:05,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:10:05,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:10:05,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:10:05,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:10:05,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:10:05,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:10:05,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:10:05,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:10:05,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (1/1) ... [2022-12-14 15:10:05,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:10:05,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:10:05,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:10:05,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:10:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:10:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:10:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:10:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:10:05,942 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:10:05,944 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:10:06,041 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:10:06,062 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:10:06,063 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 15:10:06,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:10:06 BoogieIcfgContainer [2022-12-14 15:10:06,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:10:06,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:10:06,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:10:06,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:10:06,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:10:05" (1/3) ... [2022-12-14 15:10:06,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56610359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:10:06, skipping insertion in model container [2022-12-14 15:10:06,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:05" (2/3) ... [2022-12-14 15:10:06,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56610359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:10:06, skipping insertion in model container [2022-12-14 15:10:06,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:10:06" (3/3) ... [2022-12-14 15:10:06,072 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark20_conjunctive.i [2022-12-14 15:10:06,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:10:06,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 15:10:06,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:10:06,127 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;@5df121fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:10:06,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 15:10:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 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) [2022-12-14 15:10:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 15:10:06,134 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:06,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 15:10:06,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:06,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:06,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2092610, now seen corresponding path program 1 times [2022-12-14 15:10:06,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:06,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165912870] [2022-12-14 15:10:06,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:06,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:06,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:06,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:06,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165912870] [2022-12-14 15:10:06,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165912870] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:10:06,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:10:06,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:10:06,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886527374] [2022-12-14 15:10:06,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:10:06,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:10:06,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:06,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:10:06,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:10:06,305 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 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 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) [2022-12-14 15:10:06,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:06,345 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2022-12-14 15:10:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:10:06,347 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 [2022-12-14 15:10:06,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:06,353 INFO L225 Difference]: With dead ends: 19 [2022-12-14 15:10:06,353 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 15:10:06,355 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 [2022-12-14 15:10:06,357 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:06,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:10:06,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 15:10:06,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-12-14 15:10:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 12 states have internal predecessors, (13), 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) [2022-12-14 15:10:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-12-14 15:10:06,382 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2022-12-14 15:10:06,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:06,382 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-12-14 15:10:06,382 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) [2022-12-14 15:10:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-12-14 15:10:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 15:10:06,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:06,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 15:10:06,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:10:06,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:06,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:06,384 INFO L85 PathProgramCache]: Analyzing trace with hash 64870960, now seen corresponding path program 1 times [2022-12-14 15:10:06,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:06,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633110464] [2022-12-14 15:10:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:06,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:06,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633110464] [2022-12-14 15:10:06,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633110464] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:10:06,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:10:06,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:10:06,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057462143] [2022-12-14 15:10:06,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:10:06,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:10:06,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:06,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:10:06,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:10:06,423 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 15:10:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:06,441 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-12-14 15:10:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:10:06,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-12-14 15:10:06,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:06,442 INFO L225 Difference]: With dead ends: 15 [2022-12-14 15:10:06,442 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 15:10:06,443 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 [2022-12-14 15:10:06,444 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:06,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:10:06,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 15:10:06,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 15:10:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-12-14 15:10:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-12-14 15:10:06,447 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2022-12-14 15:10:06,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:06,447 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-12-14 15:10:06,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 15:10:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-12-14 15:10:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 15:10:06,447 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:06,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 15:10:06,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:10:06,448 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:06,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:06,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2010999812, now seen corresponding path program 1 times [2022-12-14 15:10:06,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:06,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139332081] [2022-12-14 15:10:06,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:06,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:06,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:06,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139332081] [2022-12-14 15:10:06,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139332081] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:10:06,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:10:06,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:10:06,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500324690] [2022-12-14 15:10:06,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:10:06,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:10:06,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:06,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:10:06,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:10:06,505 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-12-14 15:10:06,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:06,531 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-12-14 15:10:06,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:10:06,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-12-14 15:10:06,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:06,532 INFO L225 Difference]: With dead ends: 14 [2022-12-14 15:10:06,532 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 15:10:06,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:10:06,534 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:06,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:10:06,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 15:10:06,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 15:10:06,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.3) internal successors, (13), 12 states have internal predecessors, (13), 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) [2022-12-14 15:10:06,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-12-14 15:10:06,537 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 6 [2022-12-14 15:10:06,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:06,537 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-12-14 15:10:06,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-12-14 15:10:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-12-14 15:10:06,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 15:10:06,537 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:06,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:10:06,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:10:06,538 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:06,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:06,538 INFO L85 PathProgramCache]: Analyzing trace with hash -2083515214, now seen corresponding path program 1 times [2022-12-14 15:10:06,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:06,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011846538] [2022-12-14 15:10:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:06,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:06,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:06,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011846538] [2022-12-14 15:10:06,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011846538] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:10:06,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:10:06,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:10:06,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534471100] [2022-12-14 15:10:06,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:10:06,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:10:06,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:06,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:10:06,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:10:06,580 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-12-14 15:10:06,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:06,606 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-14 15:10:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:10:06,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2022-12-14 15:10:06,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:06,607 INFO L225 Difference]: With dead ends: 16 [2022-12-14 15:10:06,607 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 15:10:06,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:10:06,609 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:06,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:10:06,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 15:10:06,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-14 15:10:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 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) [2022-12-14 15:10:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-14 15:10:06,613 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 7 [2022-12-14 15:10:06,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:06,613 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-14 15:10:06,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-12-14 15:10:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-14 15:10:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 15:10:06,614 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:06,614 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:10:06,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:10:06,615 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:06,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:06,615 INFO L85 PathProgramCache]: Analyzing trace with hash -803359244, now seen corresponding path program 1 times [2022-12-14 15:10:06,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:06,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479132978] [2022-12-14 15:10:06,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:06,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:06,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:06,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479132978] [2022-12-14 15:10:06,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479132978] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:10:06,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291203634] [2022-12-14 15:10:06,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:06,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:06,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:10:06,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:10:06,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:10:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:06,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 15:10:06,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:10:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:06,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:10:06,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291203634] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:10:06,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:10:06,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-12-14 15:10:06,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978469777] [2022-12-14 15:10:06,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:10:06,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:10:06,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:06,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:10:06,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:10:06,834 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-14 15:10:06,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:06,870 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-12-14 15:10:06,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:10:06,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2022-12-14 15:10:06,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:06,871 INFO L225 Difference]: With dead ends: 15 [2022-12-14 15:10:06,871 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 15:10:06,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:10:06,872 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:06,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:10:06,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 15:10:06,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 15:10:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-12-14 15:10:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-12-14 15:10:06,875 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 9 [2022-12-14 15:10:06,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:06,875 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-12-14 15:10:06,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-14 15:10:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-12-14 15:10:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 15:10:06,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:06,876 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 15:10:06,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:10:07,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:07,078 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:07,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:07,080 INFO L85 PathProgramCache]: Analyzing trace with hash 865667262, now seen corresponding path program 1 times [2022-12-14 15:10:07,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:07,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156237974] [2022-12-14 15:10:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:07,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:07,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:07,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:07,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156237974] [2022-12-14 15:10:07,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156237974] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:10:07,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869754542] [2022-12-14 15:10:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:07,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:07,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:10:07,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:10:07,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:10:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:07,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 15:10:07,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:10:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:07,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:10:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:07,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869754542] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:10:07,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1042588753] [2022-12-14 15:10:07,398 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 15:10:07,399 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:10:07,401 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:10:07,405 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:10:07,405 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:10:07,660 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:10:08,041 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '305#(and (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~i~0#1|)) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 15:10:08,041 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:10:08,041 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:10:08,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2022-12-14 15:10:08,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127512426] [2022-12-14 15:10:08,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:10:08,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 15:10:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 15:10:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-12-14 15:10:08,043 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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) [2022-12-14 15:10:08,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:08,106 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-12-14 15:10:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:10:08,106 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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 10 [2022-12-14 15:10:08,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:08,107 INFO L225 Difference]: With dead ends: 24 [2022-12-14 15:10:08,107 INFO L226 Difference]: Without dead ends: 23 [2022-12-14 15:10:08,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2022-12-14 15:10:08,108 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:08,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 6 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:10:08,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-14 15:10:08,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-12-14 15:10:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 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) [2022-12-14 15:10:08,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-12-14 15:10:08,110 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 10 [2022-12-14 15:10:08,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:08,110 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-12-14 15:10:08,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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) [2022-12-14 15:10:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-12-14 15:10:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 15:10:08,111 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:08,111 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2022-12-14 15:10:08,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:10:08,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:08,313 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:08,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:08,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1317414976, now seen corresponding path program 1 times [2022-12-14 15:10:08,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:08,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246433896] [2022-12-14 15:10:08,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:08,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:08,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:08,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246433896] [2022-12-14 15:10:08,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246433896] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:10:08,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65562952] [2022-12-14 15:10:08,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:08,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:08,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:10:08,396 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:10:08,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:10:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:08,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:10:08,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:10:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:08,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:10:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:08,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65562952] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:10:08,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1949223573] [2022-12-14 15:10:08,498 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 15:10:08,498 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:10:08,498 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:10:08,498 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:10:08,498 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:10:08,627 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:10:09,003 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '445#(and (<= |ULTIMATE.start_main_~n~0#1| 100) (<= 0 |ULTIMATE.start_main_~sum~0#1|) (< 2147483646 |ULTIMATE.start_main_#t~post4#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 15:10:09,004 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:10:09,004 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:10:09,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-12-14 15:10:09,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751082246] [2022-12-14 15:10:09,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:10:09,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 15:10:09,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:09,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 15:10:09,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-12-14 15:10:09,006 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 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) [2022-12-14 15:10:09,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:09,062 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2022-12-14 15:10:09,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 15:10:09,062 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 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 12 [2022-12-14 15:10:09,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:09,062 INFO L225 Difference]: With dead ends: 31 [2022-12-14 15:10:09,063 INFO L226 Difference]: Without dead ends: 30 [2022-12-14 15:10:09,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-12-14 15:10:09,064 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 15 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:09,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 7 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:10:09,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-14 15:10:09,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2022-12-14 15:10:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 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) [2022-12-14 15:10:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2022-12-14 15:10:09,067 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 12 [2022-12-14 15:10:09,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:09,068 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-12-14 15:10:09,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 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) [2022-12-14 15:10:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-12-14 15:10:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 15:10:09,068 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:09,068 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1] [2022-12-14 15:10:09,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 15:10:09,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:09,269 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:09,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:09,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1024485378, now seen corresponding path program 2 times [2022-12-14 15:10:09,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:09,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127369292] [2022-12-14 15:10:09,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:09,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:09,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:09,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127369292] [2022-12-14 15:10:09,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127369292] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:10:09,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351268399] [2022-12-14 15:10:09,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 15:10:09,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:09,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:10:09,384 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:10:09,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:10:09,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 15:10:09,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:10:09,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 15:10:09,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:10:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:09,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:10:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:09,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351268399] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:10:09,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [297666080] [2022-12-14 15:10:09,694 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 15:10:09,694 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:10:09,694 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:10:09,695 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:10:09,695 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:10:09,816 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:10:10,352 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '665#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 15:10:10,352 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:10:10,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:10:10,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2022-12-14 15:10:10,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095731527] [2022-12-14 15:10:10,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:10:10,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-14 15:10:10,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:10,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-14 15:10:10,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2022-12-14 15:10:10,354 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 23 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 23 states have internal predecessors, (58), 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) [2022-12-14 15:10:10,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:10,692 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2022-12-14 15:10:10,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 15:10:10,693 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 23 states have internal predecessors, (58), 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 20 [2022-12-14 15:10:10,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:10,693 INFO L225 Difference]: With dead ends: 45 [2022-12-14 15:10:10,693 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 15:10:10,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=312, Invalid=1494, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 15:10:10,695 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:10,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:10:10,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 15:10:10,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2022-12-14 15:10:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 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) [2022-12-14 15:10:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2022-12-14 15:10:10,701 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 20 [2022-12-14 15:10:10,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:10,701 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-12-14 15:10:10,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 23 states have internal predecessors, (58), 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) [2022-12-14 15:10:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-12-14 15:10:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 15:10:10,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:10,702 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1] [2022-12-14 15:10:10,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 15:10:10,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:10,904 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:10,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:10,905 INFO L85 PathProgramCache]: Analyzing trace with hash -493119950, now seen corresponding path program 2 times [2022-12-14 15:10:10,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:10,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882420806] [2022-12-14 15:10:10,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:10,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:11,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:11,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882420806] [2022-12-14 15:10:11,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882420806] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:10:11,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479884592] [2022-12-14 15:10:11,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 15:10:11,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:11,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:10:11,046 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:10:11,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 15:10:11,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 15:10:11,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:10:11,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 15:10:11,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:10:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-14 15:10:11,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:10:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-14 15:10:11,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479884592] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:10:11,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2141040466] [2022-12-14 15:10:11,167 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 15:10:11,167 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:10:11,168 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:10:11,168 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:10:11,168 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:10:11,301 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:10:11,748 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '977#(and (<= |ULTIMATE.start_main_~n~0#1| 100) (<= 0 |ULTIMATE.start_main_~sum~0#1|) (< 2147483646 |ULTIMATE.start_main_#t~post4#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 15:10:11,748 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:10:11,748 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:10:11,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2022-12-14 15:10:11,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551384501] [2022-12-14 15:10:11,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:10:11,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 15:10:11,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:11,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 15:10:11,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2022-12-14 15:10:11,749 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 18 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 18 states have internal predecessors, (49), 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) [2022-12-14 15:10:11,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:11,898 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2022-12-14 15:10:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 15:10:11,898 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 18 states have internal predecessors, (49), 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 [2022-12-14 15:10:11,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:11,899 INFO L225 Difference]: With dead ends: 42 [2022-12-14 15:10:11,899 INFO L226 Difference]: Without dead ends: 41 [2022-12-14 15:10:11,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 64 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=298, Invalid=962, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 15:10:11,901 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:11,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:10:11,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-12-14 15:10:11,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-12-14 15:10:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 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) [2022-12-14 15:10:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2022-12-14 15:10:11,904 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 27 [2022-12-14 15:10:11,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:11,905 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2022-12-14 15:10:11,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 18 states have internal predecessors, (49), 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) [2022-12-14 15:10:11,905 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2022-12-14 15:10:11,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 15:10:11,905 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:11,905 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 1, 1, 1] [2022-12-14 15:10:11,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 15:10:12,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:12,107 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:12,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:12,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1216182658, now seen corresponding path program 3 times [2022-12-14 15:10:12,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:12,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245541885] [2022-12-14 15:10:12,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:12,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:12,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:12,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245541885] [2022-12-14 15:10:12,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245541885] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:10:12,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735079895] [2022-12-14 15:10:12,368 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 15:10:12,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:12,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:10:12,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:10:12,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 15:10:12,404 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 15:10:12,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:10:12,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 15:10:12,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:10:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:12,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:10:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:13,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735079895] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:10:13,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [705917815] [2022-12-14 15:10:13,068 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 15:10:13,068 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:10:13,068 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:10:13,068 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:10:13,068 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:10:13,177 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:10:14,339 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1388#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 15:10:14,339 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:10:14,339 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:10:14,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2022-12-14 15:10:14,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218948191] [2022-12-14 15:10:14,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:10:14,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-12-14 15:10:14,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:14,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-12-14 15:10:14,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=2377, Unknown=0, NotChecked=0, Total=2652 [2022-12-14 15:10:14,341 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand has 47 states, 46 states have (on average 2.5652173913043477) internal successors, (118), 47 states have internal predecessors, (118), 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) [2022-12-14 15:10:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:15,326 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2022-12-14 15:10:15,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-14 15:10:15,327 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 2.5652173913043477) internal successors, (118), 47 states have internal predecessors, (118), 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 40 [2022-12-14 15:10:15,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:15,328 INFO L225 Difference]: With dead ends: 82 [2022-12-14 15:10:15,328 INFO L226 Difference]: Without dead ends: 81 [2022-12-14 15:10:15,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 76 SyntacticMatches, 8 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1420 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=969, Invalid=5351, Unknown=0, NotChecked=0, Total=6320 [2022-12-14 15:10:15,330 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 75 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:15,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 3 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 15:10:15,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-12-14 15:10:15,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-12-14 15:10:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.0125) internal successors, (81), 80 states have internal predecessors, (81), 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) [2022-12-14 15:10:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2022-12-14 15:10:15,336 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 40 [2022-12-14 15:10:15,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:15,336 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2022-12-14 15:10:15,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 2.5652173913043477) internal successors, (118), 47 states have internal predecessors, (118), 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) [2022-12-14 15:10:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2022-12-14 15:10:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 15:10:15,337 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:15,337 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 1, 1, 1] [2022-12-14 15:10:15,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-14 15:10:15,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 15:10:15,539 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:15,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:15,541 INFO L85 PathProgramCache]: Analyzing trace with hash -496000130, now seen corresponding path program 4 times [2022-12-14 15:10:15,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:15,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385390091] [2022-12-14 15:10:15,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:15,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:16,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:16,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385390091] [2022-12-14 15:10:16,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385390091] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:10:16,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430398473] [2022-12-14 15:10:16,349 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 15:10:16,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:16,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:10:16,350 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:10:16,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 15:10:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:16,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-14 15:10:16,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:10:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:17,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:10:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:18,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430398473] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:10:18,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1981436578] [2022-12-14 15:10:18,740 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 15:10:18,741 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:10:18,741 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:10:18,741 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:10:18,741 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:10:18,821 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:10:22,069 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2213#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 15:10:22,070 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:10:22,070 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:10:22,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 94 [2022-12-14 15:10:22,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471949651] [2022-12-14 15:10:22,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:10:22,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-12-14 15:10:22,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:22,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-12-14 15:10:22,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=923, Invalid=8977, Unknown=0, NotChecked=0, Total=9900 [2022-12-14 15:10:22,073 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand has 95 states, 94 states have (on average 2.5319148936170213) internal successors, (238), 95 states have internal predecessors, (238), 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) [2022-12-14 15:10:26,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:26,550 INFO L93 Difference]: Finished difference Result 162 states and 177 transitions. [2022-12-14 15:10:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-12-14 15:10:26,550 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 94 states have (on average 2.5319148936170213) internal successors, (238), 95 states have internal predecessors, (238), 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 80 [2022-12-14 15:10:26,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:26,551 INFO L225 Difference]: With dead ends: 162 [2022-12-14 15:10:26,551 INFO L226 Difference]: Without dead ends: 161 [2022-12-14 15:10:26,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 156 SyntacticMatches, 16 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5856 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=3781, Invalid=21659, Unknown=0, NotChecked=0, Total=25440 [2022-12-14 15:10:26,554 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 179 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3314 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 3314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:26,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 3 Invalid, 3490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 3314 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 15:10:26,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-12-14 15:10:26,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-12-14 15:10:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.00625) internal successors, (161), 160 states have internal predecessors, (161), 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) [2022-12-14 15:10:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2022-12-14 15:10:26,563 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 80 [2022-12-14 15:10:26,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:26,563 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2022-12-14 15:10:26,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 2.5319148936170213) internal successors, (238), 95 states have internal predecessors, (238), 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) [2022-12-14 15:10:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2022-12-14 15:10:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 15:10:26,565 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:26,565 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 31, 31, 31, 1, 1, 1] [2022-12-14 15:10:26,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 15:10:26,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 15:10:26,767 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:10:26,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:26,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1998135938, now seen corresponding path program 5 times [2022-12-14 15:10:26,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:26,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808878262] [2022-12-14 15:10:26,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:26,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:10:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:29,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:29,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808878262] [2022-12-14 15:10:29,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808878262] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:10:29,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974186309] [2022-12-14 15:10:29,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 15:10:29,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:10:29,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:10:29,288 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:10:29,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 15:10:29,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2022-12-14 15:10:29,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:10:29,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-14 15:10:29,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:10:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:33,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:10:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:10:41,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974186309] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:10:41,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [101530578] [2022-12-14 15:10:41,089 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 15:10:41,089 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:10:41,089 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:10:41,089 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:10:41,089 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:10:41,177 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:10:53,324 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3870#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 15:10:53,324 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:10:53,324 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:10:53,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 190 [2022-12-14 15:10:53,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198542550] [2022-12-14 15:10:53,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:10:53,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2022-12-14 15:10:53,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:53,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2022-12-14 15:10:53,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2436, Invalid=35784, Unknown=0, NotChecked=0, Total=38220 [2022-12-14 15:10:53,333 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand has 191 states, 190 states have (on average 2.5157894736842104) internal successors, (478), 191 states have internal predecessors, (478), 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) [2022-12-14 15:12:18,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:12:18,745 INFO L93 Difference]: Finished difference Result 322 states and 353 transitions. [2022-12-14 15:12:18,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-12-14 15:12:18,746 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 190 states have (on average 2.5157894736842104) internal successors, (478), 191 states have internal predecessors, (478), 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 160 [2022-12-14 15:12:18,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:12:18,747 INFO L225 Difference]: With dead ends: 322 [2022-12-14 15:12:18,747 INFO L226 Difference]: Without dead ends: 321 [2022-12-14 15:12:18,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 316 SyntacticMatches, 32 SemanticMatches, 372 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27779 ImplicationChecksByTransitivity, 103.1s TimeCoverageRelationStatistics Valid=20453, Invalid=119049, Unknown=0, NotChecked=0, Total=139502 [2022-12-14 15:12:18,756 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1608 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16146 mSolverCounterSat, 1348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 17494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1348 IncrementalHoareTripleChecker+Valid, 16146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:12:18,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 2 Invalid, 17494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1348 Valid, 16146 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 15:12:18,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-12-14 15:12:18,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2022-12-14 15:12:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 320 states have (on average 1.003125) internal successors, (321), 320 states have internal predecessors, (321), 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) [2022-12-14 15:12:18,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 321 transitions. [2022-12-14 15:12:18,794 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 321 transitions. Word has length 160 [2022-12-14 15:12:18,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:12:18,794 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 321 transitions. [2022-12-14 15:12:18,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 190 states have (on average 2.5157894736842104) internal successors, (478), 191 states have internal predecessors, (478), 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) [2022-12-14 15:12:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 321 transitions. [2022-12-14 15:12:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-12-14 15:12:18,798 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:12:18,798 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 63, 63, 63, 1, 1, 1] [2022-12-14 15:12:18,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-14 15:12:18,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 15:12:19,000 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:12:19,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:12:19,001 INFO L85 PathProgramCache]: Analyzing trace with hash -464957058, now seen corresponding path program 6 times [2022-12-14 15:12:19,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:12:19,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588687976] [2022-12-14 15:12:19,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:12:19,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:12:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:12:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 0 proven. 9954 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:28,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:12:28,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588687976] [2022-12-14 15:12:28,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588687976] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:12:28,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759297288] [2022-12-14 15:12:28,927 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 15:12:28,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:12:28,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:12:28,928 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:12:28,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 15:12:29,028 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 15:12:29,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:12:29,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 192 conjunts are in the unsatisfiable core [2022-12-14 15:12:29,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:12:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 0 proven. 9954 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:41,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:13:00,084 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 0 proven. 9954 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:00,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759297288] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:13:00,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [529989225] [2022-12-14 15:13:00,085 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 15:13:00,085 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:13:00,085 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:13:00,085 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:13:00,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:13:00,161 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:13:30,722 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7299#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 15:13:30,722 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:13:30,722 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:13:30,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 382 [2022-12-14 15:13:30,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220879338] [2022-12-14 15:13:30,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:13:30,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 383 states [2022-12-14 15:13:30,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:30,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 383 interpolants. [2022-12-14 15:13:30,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12875, Invalid=137281, Unknown=0, NotChecked=0, Total=150156 [2022-12-14 15:13:30,732 INFO L87 Difference]: Start difference. First operand 321 states and 321 transitions. Second operand has 383 states, 382 states have (on average 2.507853403141361) internal successors, (958), 383 states have internal predecessors, (958), 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) [2022-12-14 15:15:47,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:15:47,065 INFO L93 Difference]: Finished difference Result 642 states and 705 transitions. [2022-12-14 15:15:47,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-12-14 15:15:47,065 INFO L78 Accepts]: Start accepts. Automaton has has 383 states, 382 states have (on average 2.507853403141361) internal successors, (958), 383 states have internal predecessors, (958), 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 320 [2022-12-14 15:15:47,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:15:47,067 INFO L225 Difference]: With dead ends: 642 [2022-12-14 15:15:47,067 INFO L226 Difference]: Without dead ends: 641 [2022-12-14 15:15:47,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1338 GetRequests, 636 SyntacticMatches, 64 SemanticMatches, 638 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95640 ImplicationChecksByTransitivity, 183.3s TimeCoverageRelationStatistics Valid=59629, Invalid=349331, Unknown=0, NotChecked=0, Total=408960 [2022-12-14 15:15:47,086 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2614 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 53947 mSolverCounterSat, 2611 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2614 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 56558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2611 IncrementalHoareTripleChecker+Valid, 53947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:15:47,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2614 Valid, 3 Invalid, 56558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2611 Valid, 53947 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-12-14 15:15:47,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-12-14 15:15:47,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2022-12-14 15:15:47,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 640 states have (on average 1.0015625) internal successors, (641), 640 states have internal predecessors, (641), 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) [2022-12-14 15:15:47,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 641 transitions. [2022-12-14 15:15:47,127 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 641 transitions. Word has length 320 [2022-12-14 15:15:47,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:15:47,127 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 641 transitions. [2022-12-14 15:15:47,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 383 states, 382 states have (on average 2.507853403141361) internal successors, (958), 383 states have internal predecessors, (958), 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) [2022-12-14 15:15:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 641 transitions. [2022-12-14 15:15:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2022-12-14 15:15:47,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:15:47,137 INFO L195 NwaCegarLoop]: trace histogram [128, 128, 127, 127, 127, 1, 1, 1] [2022-12-14 15:15:47,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 15:15:47,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 15:15:47,339 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 15:15:47,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:15:47,340 INFO L85 PathProgramCache]: Analyzing trace with hash 886978942, now seen corresponding path program 7 times [2022-12-14 15:15:47,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:15:47,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215083657] [2022-12-14 15:15:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:15:47,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:15:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:16:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 40386 backedges. 0 proven. 40386 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:16:38,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:16:38,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215083657] [2022-12-14 15:16:38,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215083657] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:16:38,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824629376] [2022-12-14 15:16:38,875 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 15:16:38,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:16:38,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:16:38,876 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:16:38,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 15:16:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:16:39,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 203 conjunts are in the unsatisfiable core [2022-12-14 15:16:39,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:17:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 40386 backedges. 38577 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-12-14 15:17:19,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:17:19,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824629376] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:19,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:17:19,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [203] imperfect sequences [256] total 458 [2022-12-14 15:17:19,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145356061] [2022-12-14 15:17:19,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:19,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2022-12-14 15:17:19,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:19,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2022-12-14 15:17:19,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10913, Invalid=198393, Unknown=0, NotChecked=0, Total=209306 [2022-12-14 15:17:19,787 INFO L87 Difference]: Start difference. First operand 641 states and 641 transitions. Second operand has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 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) [2022-12-14 15:17:32,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:17:32,497 INFO L93 Difference]: Finished difference Result 641 states and 641 transitions. [2022-12-14 15:17:32,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2022-12-14 15:17:32,498 INFO L78 Accepts]: Start accepts. Automaton has has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 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 640 [2022-12-14 15:17:32,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:17:32,498 INFO L225 Difference]: With dead ends: 641 [2022-12-14 15:17:32,498 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 15:17:32,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 995 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 556 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19701 ImplicationChecksByTransitivity, 69.4s TimeCoverageRelationStatistics Valid=26163, Invalid=284643, Unknown=0, NotChecked=0, Total=310806 [2022-12-14 15:17:32,510 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 200 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4722 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 4722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:17:32,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1 Invalid, 4722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4722 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 15:17:32,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 15:17:32,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 15:17:32,511 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) [2022-12-14 15:17:32,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 15:17:32,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 640 [2022-12-14 15:17:32,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:17:32,511 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 15:17:32,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 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) [2022-12-14 15:17:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 15:17:32,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 15:17:32,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-14 15:17:32,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-14 15:17:32,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-14 15:17:32,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-14 15:17:32,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 15:17:32,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:17:32,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 15:17:39,339 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 1297 DAG size of output: 679 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-14 15:17:39,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-12-14 15:17:39,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 15:17:39,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-12-14 15:17:39,347 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-12-14 15:17:39,347 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-12-14 15:17:39,348 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-12-14 15:17:39,348 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 15:17:39,348 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 19 30) the Hoare annotation is: true [2022-12-14 15:17:39,348 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-12-14 15:17:39,348 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-12-14 15:17:39,348 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-12-14 15:17:39,348 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2022-12-14 15:17:39,351 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 27) the Hoare annotation is: (let ((.cse16 (* 7 |ULTIMATE.start_main_~i~0#1|))) (let ((.cse4 (* |ULTIMATE.start_main_~i~0#1| 10)) (.cse6 (<= (+ 115 |ULTIMATE.start_main_~sum~0#1|) (* 16 |ULTIMATE.start_main_~i~0#1|))) (.cse3 (* |ULTIMATE.start_main_~i~0#1| 11)) (.cse8 (* |ULTIMATE.start_main_~i~0#1| 4)) (.cse9 (<= (+ 7 |ULTIMATE.start_main_~sum~0#1|) .cse16)) (.cse2 (<= (+ 150 |ULTIMATE.start_main_~sum~0#1|) (* |ULTIMATE.start_main_~i~0#1| 18))) (.cse7 (+ (* 7 |ULTIMATE.start_main_~n~0#1|) |ULTIMATE.start_main_~sum~0#1|)) (.cse13 (* 2 |ULTIMATE.start_main_~i~0#1|)) (.cse10 (* |ULTIMATE.start_main_~i~0#1| 8)) (.cse5 (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~n~0#1| 63))) (.cse15 (<= (+ |ULTIMATE.start_main_~sum~0#1| 70) (* |ULTIMATE.start_main_~i~0#1| 13))) (.cse11 (<= (+ |ULTIMATE.start_main_~sum~0#1| 210) (* 21 |ULTIMATE.start_main_~i~0#1|))) (.cse12 (+ (* |ULTIMATE.start_main_~n~0#1| 15) |ULTIMATE.start_main_~sum~0#1|)) (.cse14 (<= (+ |ULTIMATE.start_main_~sum~0#1| 99) (* |ULTIMATE.start_main_~i~0#1| 15))) (.cse0 (<= |ULTIMATE.start_main_~n~0#1| 100)) (.cse1 (<= 0 |ULTIMATE.start_main_~sum~0#1|))) (or (and .cse0 .cse1 (< (+ (* 47 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482567) (<= 80 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 12) .cse0 .cse1 .cse2) (and (<= |ULTIMATE.start_main_~i~0#1| 58) (<= 58 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1653)) (and (<= |ULTIMATE.start_main_~i~0#1| 45) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 990) (<= 45 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 38) .cse0 .cse1 (<= 38 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 703)) (and .cse0 (<= 42 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 861) (<= |ULTIMATE.start_main_~i~0#1| 42)) (and (<= 35 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 595) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 35)) (and .cse0 .cse1 (<= 27 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 27) (<= |ULTIMATE.start_main_~sum~0#1| 351)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 60)) 2147481878) (<= 67 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 19) .cse1 (<= 19 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 171)) (and .cse0 .cse1 (<= 74 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* 53 |ULTIMATE.start_main_~i~0#1|)) 2147482270)) (and (< (+ (* 57 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482052) .cse0 .cse1 (<= 70 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ |ULTIMATE.start_main_~sum~0#1| (* 51 |ULTIMATE.start_main_~i~0#1|)) 2147482373) .cse0 (<= 76 |ULTIMATE.start_main_~i~0#1|) .cse1) (and (<= (+ 45 |ULTIMATE.start_main_~sum~0#1|) .cse3) .cse0 .cse1 (<= 18 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 18)) (and .cse0 (<= 17 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= (+ 34 |ULTIMATE.start_main_~sum~0#1|) .cse4) (<= |ULTIMATE.start_main_~i~0#1| 17)) (and .cse0 (<= 91 |ULTIMATE.start_main_~i~0#1|) .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 36) |ULTIMATE.start_main_~sum~0#1|) 2147483018)) (and (<= |ULTIMATE.start_main_~i~0#1| 62) .cse0 (<= |ULTIMATE.start_main_~sum~0#1| 1891) .cse1 (<= 62 |ULTIMATE.start_main_~i~0#1|)) (and (<= 82 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 45) |ULTIMATE.start_main_~sum~0#1|) 2147482658)) (and .cse0 .cse1 (<= 93 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 34)) 2147483087)) (and (<= |ULTIMATE.start_main_~sum~0#1| 496) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 32) (<= 32 |ULTIMATE.start_main_~i~0#1|)) (and (<= 90 |ULTIMATE.start_main_~i~0#1|) (< (+ (* |ULTIMATE.start_main_~i~0#1| 37) |ULTIMATE.start_main_~sum~0#1|) 2147482982) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~i~0#1| 16) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 120) (<= 16 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< (+ (* 30 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483213) .cse1 (<= 97 |ULTIMATE.start_main_~i~0#1|)) (and (<= 55 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1485) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 55)) (and .cse0 .cse1 (<= 26 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 26) (<= |ULTIMATE.start_main_~sum~0#1| 325)) (and .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 54) |ULTIMATE.start_main_~sum~0#1|) 2147482217) (<= 73 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 31) (<= 31 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 465)) (and .cse0 .cse1 (<= 50 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 50) (<= |ULTIMATE.start_main_~sum~0#1| 1225)) (and (<= 44 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 946) (<= |ULTIMATE.start_main_~i~0#1| 44)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 57) (<= 57 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1596)) (and (<= |ULTIMATE.start_main_~i~0#1| 10) .cse1 (<= .cse5 (+ .cse4 6245)) .cse6) (and .cse0 .cse1 (<= 94 |ULTIMATE.start_main_~i~0#1|) (< (+ (* |ULTIMATE.start_main_~i~0#1| 33) |ULTIMATE.start_main_~sum~0#1|) 2147483120)) (and (<= 66 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 61) |ULTIMATE.start_main_~sum~0#1|) 2147481818)) (and .cse0 .cse1 (<= 59 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1711) (<= |ULTIMATE.start_main_~i~0#1| 59)) (and (<= |ULTIMATE.start_main_~i~0#1| 63) .cse0 .cse1 (<= 63 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1953)) (and (< (+ (* 46 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482613) .cse0 .cse1 (<= 81 |ULTIMATE.start_main_~i~0#1|)) (and (<= 64 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 63) |ULTIMATE.start_main_~sum~0#1|) 2147481695)) (and (<= |ULTIMATE.start_main_~i~0#1| 56) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1540) (<= 56 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 4) (<= |ULTIMATE.start_main_~sum~0#1| 6) (<= .cse7 (+ 690 .cse8)) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 23) .cse0 (<= 23 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse6) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 528) (<= 33 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 33)) (and .cse1 (<= .cse7 (+ |ULTIMATE.start_main_~i~0#1| 699)) (<= |ULTIMATE.start_main_~i~0#1| 1) .cse9) (and (<= |ULTIMATE.start_main_~i~0#1| 40) (<= 40 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 780)) (and (<= |ULTIMATE.start_main_~sum~0#1| 1431) .cse0 .cse1 (<= 54 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 54)) (and (<= |ULTIMATE.start_main_~i~0#1| 37) (<= 37 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 666)) (and (<= 86 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* 41 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482828)) (and (<= |ULTIMATE.start_main_~i~0#1| 29) (<= 29 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 406)) (and (< (+ (* 31 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483183) .cse0 .cse1 (<= 96 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 87 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* 40 |ULTIMATE.start_main_~i~0#1|)) 2147482868)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 27)) 2147483297) (<= 100 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 11) .cse1 (<= .cse5 (+ .cse3 6234)) (<= |ULTIMATE.start_main_~sum~0#1| (+ .cse8 11)) (<= 11 |ULTIMATE.start_main_~i~0#1|)) (and (<= 43 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 43) (<= |ULTIMATE.start_main_~sum~0#1| 903)) (and (< (+ (* 29 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483242) .cse0 .cse1 (<= 98 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 14 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 14) .cse9) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1081) (<= 47 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 47)) (and (<= 49 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1176) (<= |ULTIMATE.start_main_~i~0#1| 49)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 6) (<= |ULTIMATE.start_main_~sum~0#1| 15) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= 79 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 48) |ULTIMATE.start_main_~sum~0#1|) 2147482520)) (and (< (+ (* 32 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483152) .cse0 .cse1 (<= 95 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 8) (<= 8 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| (+ |ULTIMATE.start_main_~i~0#1| 20)) (<= .cse5 (+ .cse10 6264))) (and (<= 21 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 210) (<= |ULTIMATE.start_main_~i~0#1| 21)) (and .cse0 (<= 88 |ULTIMATE.start_main_~i~0#1|) .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 39) |ULTIMATE.start_main_~sum~0#1|) 2147482907)) (and .cse0 (<= 60 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~i~0#1| 60) (<= |ULTIMATE.start_main_~sum~0#1| 1770)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 25) .cse2 (<= 25 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~sum~0#1| 820) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 41) (<= 41 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 0) (<= .cse7 700)) (and (<= 51 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 51) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1275)) (and (<= 28 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 28) .cse0 .cse1 .cse11) (and (<= 72 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 55) |ULTIMATE.start_main_~sum~0#1|) 2147482163)) (and .cse0 .cse1 (<= 78 |ULTIMATE.start_main_~i~0#1|) (< (+ (* 49 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482472)) (and (<= |ULTIMATE.start_main_~i~0#1| 13) .cse0 .cse1 (<= (+ 169 |ULTIMATE.start_main_~sum~0#1|) (* 19 |ULTIMATE.start_main_~i~0#1|))) (and .cse0 (< (+ (* |ULTIMATE.start_main_~i~0#1| 58) |ULTIMATE.start_main_~sum~0#1|) 2147481995) .cse1 (<= 69 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 53) (<= 53 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1378)) (and (<= |ULTIMATE.start_main_~i~0#1| 3) .cse1 (<= .cse12 (+ 1494 (* 3 |ULTIMATE.start_main_~i~0#1|))) (<= (+ 3 |ULTIMATE.start_main_~sum~0#1|) .cse13)) (and .cse0 (< (+ (* |ULTIMATE.start_main_~i~0#1| 43) |ULTIMATE.start_main_~sum~0#1|) 2147482745) .cse1 (<= 84 |ULTIMATE.start_main_~i~0#1|)) (and (<= 36 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 630) (<= |ULTIMATE.start_main_~i~0#1| 36)) (and (<= |ULTIMATE.start_main_~i~0#1| 52) .cse0 (<= |ULTIMATE.start_main_~sum~0#1| 1326) .cse1 (<= 52 |ULTIMATE.start_main_~i~0#1|)) (and (<= 92 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* 35 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483053)) (and .cse0 .cse1 (< (+ (* 44 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482702) (<= 83 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< (+ (* 42 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482787) .cse1 (<= 85 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ (* 52 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482322) .cse0 .cse1 (<= 75 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 39 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 741) (<= |ULTIMATE.start_main_~i~0#1| 39)) (and .cse0 .cse1 (< (+ (* 59 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147481937) (<= 68 |ULTIMATE.start_main_~i~0#1|)) (and (<= 30 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 30) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 435)) (and (< (+ (* |ULTIMATE.start_main_~i~0#1| 50) |ULTIMATE.start_main_~sum~0#1|) 2147482423) .cse0 .cse1 (<= 77 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 24) (<= 24 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 276)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 48) .cse1 (<= 48 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1128)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 2) (<= .cse5 (+ 6297 .cse13)) (<= (+ 15 |ULTIMATE.start_main_~sum~0#1|) .cse10)) (and (<= .cse5 (+ 6255 (* 9 |ULTIMATE.start_main_~i~0#1|))) .cse1 .cse14 (<= |ULTIMATE.start_main_~i~0#1| 9)) (and .cse0 .cse1 (<= 65 |ULTIMATE.start_main_~i~0#1|) (< (+ (* 62 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147481757)) (and .cse0 .cse1 (<= 34 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 561) (<= |ULTIMATE.start_main_~i~0#1| 34)) (and (<= |ULTIMATE.start_main_~sum~0#1| 1035) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 46) (<= 46 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 20) .cse15 (<= 20 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= .cse5 (+ 6272 .cse16)) .cse15 (<= |ULTIMATE.start_main_~i~0#1| 7)) (and .cse0 .cse1 .cse11 (<= |ULTIMATE.start_main_~i~0#1| 15)) (and .cse0 .cse1 (< (+ (* 56 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482108) (<= 71 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 28)) 2147483270) (<= 99 |ULTIMATE.start_main_~i~0#1|)) (and (<= 5 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= .cse12 (+ 1485 (* 5 |ULTIMATE.start_main_~i~0#1|))) (<= |ULTIMATE.start_main_~i~0#1| 5) (<= |ULTIMATE.start_main_~sum~0#1| 10)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 22) .cse14 (<= 22 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 61) (<= |ULTIMATE.start_main_~sum~0#1| 1830) .cse0 .cse1 (<= 61 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ (* |ULTIMATE.start_main_~i~0#1| 38) |ULTIMATE.start_main_~sum~0#1|) 2147482945) .cse0 .cse1 (<= 89 |ULTIMATE.start_main_~i~0#1|))))) [2022-12-14 15:17:39,354 INFO L445 BasicCegarLoop]: Path program histogram: [7, 2, 1, 1, 1, 1, 1] [2022-12-14 15:17:39,356 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:17:39,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:17:39 BoogieIcfgContainer [2022-12-14 15:17:39,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:17:39,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:17:39,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:17:39,392 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:17:39,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:10:06" (3/4) ... [2022-12-14 15:17:39,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 15:17:39,404 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 15:17:39,405 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 15:17:39,405 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 15:17:39,405 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 15:17:39,437 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:17:39,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:17:39,437 INFO L158 Benchmark]: Toolchain (without parser) took 453805.53ms. Allocated memory was 146.8MB in the beginning and 956.3MB in the end (delta: 809.5MB). Free memory was 105.8MB in the beginning and 692.3MB in the end (delta: -586.6MB). Peak memory consumption was 225.6MB. Max. memory is 16.1GB. [2022-12-14 15:17:39,438 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:17:39,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 158.94ms. Allocated memory is still 146.8MB. Free memory was 105.8MB in the beginning and 95.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 15:17:39,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.86ms. Allocated memory is still 146.8MB. Free memory was 95.8MB in the beginning and 94.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:17:39,438 INFO L158 Benchmark]: Boogie Preprocessor took 13.61ms. Allocated memory is still 146.8MB. Free memory was 94.3MB in the beginning and 93.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:17:39,439 INFO L158 Benchmark]: RCFGBuilder took 231.19ms. Allocated memory is still 146.8MB. Free memory was 93.2MB in the beginning and 82.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 15:17:39,439 INFO L158 Benchmark]: TraceAbstraction took 453324.78ms. Allocated memory was 146.8MB in the beginning and 956.3MB in the end (delta: 809.5MB). Free memory was 81.7MB in the beginning and 695.5MB in the end (delta: -613.8MB). Peak memory consumption was 659.7MB. Max. memory is 16.1GB. [2022-12-14 15:17:39,439 INFO L158 Benchmark]: Witness Printer took 45.17ms. Allocated memory is still 956.3MB. Free memory was 694.4MB in the beginning and 692.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:17:39,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 158.94ms. Allocated memory is still 146.8MB. Free memory was 105.8MB in the beginning and 95.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.86ms. Allocated memory is still 146.8MB. Free memory was 95.8MB in the beginning and 94.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.61ms. Allocated memory is still 146.8MB. Free memory was 94.3MB in the beginning and 93.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.19ms. Allocated memory is still 146.8MB. Free memory was 93.2MB in the beginning and 82.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 453324.78ms. Allocated memory was 146.8MB in the beginning and 956.3MB in the end (delta: 809.5MB). Free memory was 81.7MB in the beginning and 695.5MB in the end (delta: -613.8MB). Peak memory consumption was 659.7MB. Max. memory is 16.1GB. * Witness Printer took 45.17ms. Allocated memory is still 956.3MB. Free memory was 694.4MB in the beginning and 692.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 453.2s, OverallIterations: 14, TraceHistogramMax: 128, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 240.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4780 SdHoareTripleChecker+Valid, 24.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4780 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 21.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 4242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79415 IncrementalHoareTripleChecker+Invalid, 83657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4242 mSolverCounterUnsat, 35 mSDtfsCounter, 79415 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3832 GetRequests, 1774 SyntacticMatches, 131 SemanticMatches, 1927 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151331 ImplicationChecksByTransitivity, 369.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=13, InterpolantAutomatonStates: 809, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 5 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 104 NumberOfFragments, 1783 HoareAnnotationTreeSize, 2 FomulaSimplifications, 780 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 2 FomulaSimplificationsInter, 8782 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 148.5s InterpolantComputationTime, 2658 NumberOfCodeBlocks, 2638 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 3295 ConstructedInterpolants, 0 QuantifiedInterpolants, 27693 SizeOfPredicates, 246 NumberOfNonLiveVariables, 3110 ConjunctsInSsa, 596 ConjunctsInUnsatCore, 32 InterpolantComputations, 6 PerfectInterpolantSequences, 40456/120226 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((n <= 100 && 0 <= sum) && 47 * i + sum < 2147482567) && 80 <= i) || (((i <= 12 && n <= 100) && 0 <= sum) && 150 + sum <= i * 18)) || ((((i <= 58 && 58 <= i) && n <= 100) && 0 <= sum) && sum <= 1653)) || ((((i <= 45 && n <= 100) && 0 <= sum) && sum <= 990) && 45 <= i)) || ((((i <= 38 && n <= 100) && 0 <= sum) && 38 <= i) && sum <= 703)) || ((((n <= 100 && 42 <= i) && 0 <= sum) && sum <= 861) && i <= 42)) || ((((35 <= i && sum <= 595) && n <= 100) && 0 <= sum) && i <= 35)) || ((((n <= 100 && 0 <= sum) && 27 <= i) && i <= 27) && sum <= 351)) || (((n <= 100 && 0 <= sum) && sum + i * 60 < 2147481878) && 67 <= i)) || ((((n <= 100 && i <= 19) && 0 <= sum) && 19 <= i) && sum <= 171)) || (((n <= 100 && 0 <= sum) && 74 <= i) && sum + 53 * i < 2147482270)) || (((57 * i + sum < 2147482052 && n <= 100) && 0 <= sum) && 70 <= i)) || (((sum + 51 * i < 2147482373 && n <= 100) && 76 <= i) && 0 <= sum)) || ((((45 + sum <= i * 11 && n <= 100) && 0 <= sum) && 18 <= i) && i <= 18)) || ((((n <= 100 && 17 <= i) && 0 <= sum) && 34 + sum <= i * 10) && i <= 17)) || (((n <= 100 && 91 <= i) && 0 <= sum) && i * 36 + sum < 2147483018)) || ((((i <= 62 && n <= 100) && sum <= 1891) && 0 <= sum) && 62 <= i)) || (((82 <= i && n <= 100) && 0 <= sum) && i * 45 + sum < 2147482658)) || (((n <= 100 && 0 <= sum) && 93 <= i) && sum + i * 34 < 2147483087)) || ((((sum <= 496 && n <= 100) && 0 <= sum) && i <= 32) && 32 <= i)) || (((90 <= i && i * 37 + sum < 2147482982) && n <= 100) && 0 <= sum)) || ((((i <= 16 && n <= 100) && 0 <= sum) && sum <= 120) && 16 <= i)) || (((n <= 100 && 30 * i + sum < 2147483213) && 0 <= sum) && 97 <= i)) || ((((55 <= i && sum <= 1485) && n <= 100) && 0 <= sum) && i <= 55)) || ((((n <= 100 && 0 <= sum) && 26 <= i) && i <= 26) && sum <= 325)) || (((n <= 100 && 0 <= sum) && i * 54 + sum < 2147482217) && 73 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 31) && 31 <= i) && sum <= 465)) || ((((n <= 100 && 0 <= sum) && 50 <= i) && i <= 50) && sum <= 1225)) || ((((44 <= i && n <= 100) && 0 <= sum) && sum <= 946) && i <= 44)) || ((((n <= 100 && i <= 57) && 57 <= i) && 0 <= sum) && sum <= 1596)) || (((i <= 10 && 0 <= sum) && sum + n * 63 <= i * 10 + 6245) && 115 + sum <= 16 * i)) || (((n <= 100 && 0 <= sum) && 94 <= i) && i * 33 + sum < 2147483120)) || (((66 <= i && n <= 100) && 0 <= sum) && i * 61 + sum < 2147481818)) || ((((n <= 100 && 0 <= sum) && 59 <= i) && sum <= 1711) && i <= 59)) || ((((i <= 63 && n <= 100) && 0 <= sum) && 63 <= i) && sum <= 1953)) || (((46 * i + sum < 2147482613 && n <= 100) && 0 <= sum) && 81 <= i)) || (((64 <= i && n <= 100) && 0 <= sum) && i * 63 + sum < 2147481695)) || ((((i <= 56 && n <= 100) && 0 <= sum) && sum <= 1540) && 56 <= i)) || ((((0 <= sum && i <= 4) && sum <= 6) && 7 * n + sum <= 690 + i * 4) && 4 <= i)) || ((((i <= 23 && n <= 100) && 23 <= i) && 0 <= sum) && 115 + sum <= 16 * i)) || ((((n <= 100 && 0 <= sum) && sum <= 528) && 33 <= i) && i <= 33)) || (((0 <= sum && 7 * n + sum <= i + 699) && i <= 1) && 7 + sum <= 7 * i)) || ((((i <= 40 && 40 <= i) && n <= 100) && 0 <= sum) && sum <= 780)) || ((((sum <= 1431 && n <= 100) && 0 <= sum) && 54 <= i) && i <= 54)) || ((((i <= 37 && 37 <= i) && n <= 100) && 0 <= sum) && sum <= 666)) || (((86 <= i && n <= 100) && 0 <= sum) && 41 * i + sum < 2147482828)) || ((((i <= 29 && 29 <= i) && n <= 100) && 0 <= sum) && sum <= 406)) || (((31 * i + sum < 2147483183 && n <= 100) && 0 <= sum) && 96 <= i)) || (((n <= 100 && 0 <= sum) && 87 <= i) && sum + 40 * i < 2147482868)) || (((n <= 100 && 0 <= sum) && sum + i * 27 < 2147483297) && 100 <= i)) || ((((i <= 11 && 0 <= sum) && sum + n * 63 <= i * 11 + 6234) && sum <= i * 4 + 11) && 11 <= i)) || ((((43 <= i && n <= 100) && 0 <= sum) && i <= 43) && sum <= 903)) || (((29 * i + sum < 2147483242 && n <= 100) && 0 <= sum) && 98 <= i)) || ((((n <= 100 && 0 <= sum) && 14 <= i) && i <= 14) && 7 + sum <= 7 * i)) || ((((n <= 100 && 0 <= sum) && sum <= 1081) && 47 <= i) && i <= 47)) || ((((49 <= i && n <= 100) && 0 <= sum) && sum <= 1176) && i <= 49)) || ((((n <= 100 && 0 <= sum) && i <= 6) && sum <= 15) && 6 <= i)) || (((79 <= i && n <= 100) && 0 <= sum) && i * 48 + sum < 2147482520)) || (((32 * i + sum < 2147483152 && n <= 100) && 0 <= sum) && 95 <= i)) || ((((0 <= sum && i <= 8) && 8 <= i) && sum <= i + 20) && sum + n * 63 <= i * 8 + 6264)) || ((((21 <= i && n <= 100) && 0 <= sum) && sum <= 210) && i <= 21)) || (((n <= 100 && 88 <= i) && 0 <= sum) && i * 39 + sum < 2147482907)) || ((((n <= 100 && 60 <= i) && 0 <= sum) && i <= 60) && sum <= 1770)) || ((((n <= 100 && 0 <= sum) && i <= 25) && 150 + sum <= i * 18) && 25 <= i)) || ((((sum <= 820 && n <= 100) && 0 <= sum) && i <= 41) && 41 <= i)) || (((0 <= sum && 0 <= i) && i + sum <= 0) && 7 * n + sum <= 700)) || ((((51 <= i && i <= 51) && n <= 100) && 0 <= sum) && sum <= 1275)) || ((((28 <= i && i <= 28) && n <= 100) && 0 <= sum) && sum + 210 <= 21 * i)) || (((72 <= i && n <= 100) && 0 <= sum) && i * 55 + sum < 2147482163)) || (((n <= 100 && 0 <= sum) && 78 <= i) && 49 * i + sum < 2147482472)) || (((i <= 13 && n <= 100) && 0 <= sum) && 169 + sum <= 19 * i)) || (((n <= 100 && i * 58 + sum < 2147481995) && 0 <= sum) && 69 <= i)) || ((((i <= 53 && 53 <= i) && n <= 100) && 0 <= sum) && sum <= 1378)) || (((i <= 3 && 0 <= sum) && n * 15 + sum <= 1494 + 3 * i) && 3 + sum <= 2 * i)) || (((n <= 100 && i * 43 + sum < 2147482745) && 0 <= sum) && 84 <= i)) || ((((36 <= i && n <= 100) && 0 <= sum) && sum <= 630) && i <= 36)) || ((((i <= 52 && n <= 100) && sum <= 1326) && 0 <= sum) && 52 <= i)) || (((92 <= i && n <= 100) && 0 <= sum) && 35 * i + sum < 2147483053)) || (((n <= 100 && 0 <= sum) && 44 * i + sum < 2147482702) && 83 <= i)) || (((n <= 100 && 42 * i + sum < 2147482787) && 0 <= sum) && 85 <= i)) || (((52 * i + sum < 2147482322 && n <= 100) && 0 <= sum) && 75 <= i)) || ((((n <= 100 && 0 <= sum) && 39 <= i) && sum <= 741) && i <= 39)) || (((n <= 100 && 0 <= sum) && 59 * i + sum < 2147481937) && 68 <= i)) || ((((30 <= i && i <= 30) && n <= 100) && 0 <= sum) && sum <= 435)) || (((i * 50 + sum < 2147482423 && n <= 100) && 0 <= sum) && 77 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 24) && 24 <= i) && sum <= 276)) || ((((n <= 100 && i <= 48) && 0 <= sum) && 48 <= i) && sum <= 1128)) || (((0 <= sum && i <= 2) && sum + n * 63 <= 6297 + 2 * i) && 15 + sum <= i * 8)) || (((sum + n * 63 <= 6255 + 9 * i && 0 <= sum) && sum + 99 <= i * 15) && i <= 9)) || (((n <= 100 && 0 <= sum) && 65 <= i) && 62 * i + sum < 2147481757)) || ((((n <= 100 && 0 <= sum) && 34 <= i) && sum <= 561) && i <= 34)) || ((((sum <= 1035 && n <= 100) && 0 <= sum) && i <= 46) && 46 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 20) && sum + 70 <= i * 13) && 20 <= i)) || (((0 <= sum && sum + n * 63 <= 6272 + 7 * i) && sum + 70 <= i * 13) && i <= 7)) || (((n <= 100 && 0 <= sum) && sum + 210 <= 21 * i) && i <= 15)) || (((n <= 100 && 0 <= sum) && 56 * i + sum < 2147482108) && 71 <= i)) || (((n <= 100 && 0 <= sum) && sum + i * 28 < 2147483270) && 99 <= i)) || ((((5 <= i && 0 <= sum) && n * 15 + sum <= 1485 + 5 * i) && i <= 5) && sum <= 10)) || ((((n <= 100 && 0 <= sum) && i <= 22) && sum + 99 <= i * 15) && 22 <= i)) || ((((i <= 61 && sum <= 1830) && n <= 100) && 0 <= sum) && 61 <= i)) || (((i * 38 + sum < 2147482945 && n <= 100) && 0 <= sum) && 89 <= i) RESULT: Ultimate proved your program to be correct! [2022-12-14 15:17:39,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5143f037-9f95-4a8d-a1f7-30a6c498c6a3/bin/utaipan-gh47qXpMRh/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