./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/verifythis/duplets.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/duplets.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:25:53,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:25:53,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:25:53,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:25:53,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:25:53,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:25:53,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:25:53,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:25:53,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:25:53,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:25:53,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:25:53,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:25:53,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:25:53,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:25:53,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:25:53,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:25:53,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:25:53,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:25:53,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:25:53,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:25:53,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:25:53,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:25:53,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:25:53,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:25:53,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:25:53,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:25:53,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:25:53,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:25:53,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:25:53,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:25:53,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:25:53,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:25:53,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:25:53,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:25:53,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:25:53,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:25:53,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:25:53,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:25:53,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:25:53,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:25:53,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:25:53,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:25:53,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:25:53,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:25:53,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:25:53,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:25:53,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:25:53,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:25:53,551 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:25:53,552 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:25:53,552 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:25:53,552 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:25:53,552 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:25:53,552 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:25:53,553 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:25:53,553 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:25:53,553 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:25:53,553 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:25:53,554 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:25:53,554 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:25:53,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:25:53,555 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:25:53,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:25:53,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:25:53,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:25:53,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:25:53,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:25:53,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:25:53,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:25:53,556 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:25:53,556 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:25:53,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:25:53,557 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:25:53,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:25:53,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:25:53,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:25:53,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:25:53,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:25:53,558 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:25:53,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:25:53,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:25:53,558 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:25:53,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:25:53,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:25:53,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:25:53,559 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_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 [2022-11-22 01:25:53,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:25:53,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:25:53,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:25:53,832 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:25:53,832 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:25:53,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/verifythis/duplets.c [2022-11-22 01:25:56,949 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:25:57,155 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:25:57,155 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/sv-benchmarks/c/verifythis/duplets.c [2022-11-22 01:25:57,162 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/data/e85f3e954/65377496340b432094bb2c597cc41ff7/FLAGeeb28cb23 [2022-11-22 01:25:57,177 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/data/e85f3e954/65377496340b432094bb2c597cc41ff7 [2022-11-22 01:25:57,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:25:57,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:25:57,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:25:57,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:25:57,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:25:57,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8f0116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57, skipping insertion in model container [2022-11-22 01:25:57,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:25:57,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:25:57,417 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_ae990786-369e-4ebf-9c32-6dc3671d2714/sv-benchmarks/c/verifythis/duplets.c[485,498] [2022-11-22 01:25:57,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:25:57,487 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:25:57,503 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_ae990786-369e-4ebf-9c32-6dc3671d2714/sv-benchmarks/c/verifythis/duplets.c[485,498] [2022-11-22 01:25:57,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:25:57,542 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:25:57,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57 WrapperNode [2022-11-22 01:25:57,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:25:57,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:25:57,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:25:57,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:25:57,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,589 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 126 [2022-11-22 01:25:57,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:25:57,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:25:57,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:25:57,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:25:57,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:25:57,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:25:57,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:25:57,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:25:57,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (1/1) ... [2022-11-22 01:25:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:25:57,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:25:57,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:25:57,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:25:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:25:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:25:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:25:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:25:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:25:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:25:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:25:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:25:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:25:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:25:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 01:25:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 01:25:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:25:57,805 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:25:57,808 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:25:58,150 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:25:58,214 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:25:58,214 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:25:58,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:25:58 BoogieIcfgContainer [2022-11-22 01:25:58,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:25:58,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:25:58,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:25:58,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:25:58,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:25:57" (1/3) ... [2022-11-22 01:25:58,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7f45eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:25:58, skipping insertion in model container [2022-11-22 01:25:58,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:57" (2/3) ... [2022-11-22 01:25:58,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7f45eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:25:58, skipping insertion in model container [2022-11-22 01:25:58,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:25:58" (3/3) ... [2022-11-22 01:25:58,227 INFO L112 eAbstractionObserver]: Analyzing ICFG duplets.c [2022-11-22 01:25:58,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:25:58,283 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-22 01:25:58,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:25:58,370 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;@649ad71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:25:58,371 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-22 01:25:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 20 states have (on average 1.45) internal successors, (29), 26 states have internal predecessors, (29), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-22 01:25:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 01:25:58,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:25:58,384 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:25:58,384 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:25:58,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:25:58,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1183431264, now seen corresponding path program 1 times [2022-11-22 01:25:58,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:25:58,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610338424] [2022-11-22 01:25:58,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:25:58,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:25:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:25:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:25:58,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:25:58,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610338424] [2022-11-22 01:25:58,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610338424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:25:58,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:25:58,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:25:58,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667912417] [2022-11-22 01:25:58,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:25:58,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:25:58,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:25:58,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:25:58,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:25:58,855 INFO L87 Difference]: Start difference. First operand has 38 states, 20 states have (on average 1.45) internal successors, (29), 26 states have internal predecessors, (29), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:25:58,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:25:58,954 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2022-11-22 01:25:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:25:58,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 17 [2022-11-22 01:25:58,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:25:58,964 INFO L225 Difference]: With dead ends: 65 [2022-11-22 01:25:58,965 INFO L226 Difference]: Without dead ends: 37 [2022-11-22 01:25:58,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:25:58,971 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 20 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:25:58,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 64 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:25:58,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-22 01:25:59,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2022-11-22 01:25:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 16 states have (on average 1.4375) internal successors, (23), 21 states have internal predecessors, (23), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:25:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-22 01:25:59,011 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 17 [2022-11-22 01:25:59,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:25:59,013 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-22 01:25:59,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:25:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-22 01:25:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 01:25:59,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:25:59,015 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:25:59,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:25:59,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:25:59,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:25:59,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1785803911, now seen corresponding path program 1 times [2022-11-22 01:25:59,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:25:59,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916181715] [2022-11-22 01:25:59,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:25:59,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:25:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:25:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:25:59,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:25:59,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916181715] [2022-11-22 01:25:59,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916181715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:25:59,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:25:59,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:25:59,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091230133] [2022-11-22 01:25:59,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:25:59,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:25:59,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:25:59,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:25:59,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:25:59,185 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:25:59,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:25:59,282 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2022-11-22 01:25:59,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:25:59,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 20 [2022-11-22 01:25:59,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:25:59,283 INFO L225 Difference]: With dead ends: 37 [2022-11-22 01:25:59,284 INFO L226 Difference]: Without dead ends: 35 [2022-11-22 01:25:59,284 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 [2022-11-22 01:25:59,285 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 9 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:25:59,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 45 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:25:59,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-22 01:25:59,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2022-11-22 01:25:59,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 27 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:25:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2022-11-22 01:25:59,292 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 20 [2022-11-22 01:25:59,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:25:59,293 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2022-11-22 01:25:59,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:25:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-11-22 01:25:59,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 01:25:59,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:25:59,298 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:25:59,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:25:59,299 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:25:59,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:25:59,300 INFO L85 PathProgramCache]: Analyzing trace with hash -474743684, now seen corresponding path program 1 times [2022-11-22 01:25:59,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:25:59,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854331603] [2022-11-22 01:25:59,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:25:59,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:25:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:25:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:25:59,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:25:59,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854331603] [2022-11-22 01:25:59,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854331603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:25:59,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:25:59,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:25:59,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960940631] [2022-11-22 01:25:59,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:25:59,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:25:59,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:25:59,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:25:59,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:25:59,537 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:25:59,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:25:59,644 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2022-11-22 01:25:59,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:25:59,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 21 [2022-11-22 01:25:59,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:25:59,645 INFO L225 Difference]: With dead ends: 48 [2022-11-22 01:25:59,646 INFO L226 Difference]: Without dead ends: 47 [2022-11-22 01:25:59,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:25:59,647 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 23 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:25:59,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 81 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:25:59,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-22 01:25:59,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2022-11-22 01:25:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.44) internal successors, (36), 30 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:25:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2022-11-22 01:25:59,655 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 21 [2022-11-22 01:25:59,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:25:59,656 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2022-11-22 01:25:59,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:25:59,656 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-22 01:25:59,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 01:25:59,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:25:59,657 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:25:59,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:25:59,658 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:25:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:25:59,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1832152243, now seen corresponding path program 1 times [2022-11-22 01:25:59,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:25:59,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163826168] [2022-11-22 01:25:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:25:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:25:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:25:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:25:59,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:25:59,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163826168] [2022-11-22 01:25:59,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163826168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:25:59,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:25:59,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:25:59,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689180730] [2022-11-22 01:25:59,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:25:59,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:25:59,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:25:59,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:25:59,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:25:59,794 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:25:59,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:25:59,881 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-22 01:25:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:25:59,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 22 [2022-11-22 01:25:59,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:25:59,884 INFO L225 Difference]: With dead ends: 43 [2022-11-22 01:25:59,885 INFO L226 Difference]: Without dead ends: 42 [2022-11-22 01:25:59,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:25:59,895 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 18 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:25:59,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 67 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:25:59,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-22 01:25:59,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 36. [2022-11-22 01:25:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.4) internal successors, (35), 30 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:25:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2022-11-22 01:25:59,912 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 22 [2022-11-22 01:25:59,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:25:59,913 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2022-11-22 01:25:59,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:25:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-11-22 01:25:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 01:25:59,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:25:59,915 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:25:59,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:25:59,916 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:25:59,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:25:59,917 INFO L85 PathProgramCache]: Analyzing trace with hash -875503508, now seen corresponding path program 1 times [2022-11-22 01:25:59,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:25:59,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131067273] [2022-11-22 01:25:59,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:25:59,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:25:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:26:00,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:00,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131067273] [2022-11-22 01:26:00,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131067273] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:00,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701948572] [2022-11-22 01:26:00,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:00,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:00,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:00,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:00,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:26:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:00,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:26:00,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:26:00,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:00,420 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:26:00,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701948572] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:00,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1420759631] [2022-11-22 01:26:00,449 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-22 01:26:00,450 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:00,453 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:00,464 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:00,465 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:00,720 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 01:26:00,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 01:26:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:00,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-22 01:26:00,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 01:26:01,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:26:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:01,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2022-11-22 01:26:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:01,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:01,982 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-22 01:26:01,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2022-11-22 01:26:02,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:02,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:02,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:02,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 18 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 47 [2022-11-22 01:26:02,836 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-11-22 01:26:02,858 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:06,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1420759631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:06,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:06,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 20 [2022-11-22 01:26:06,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232263009] [2022-11-22 01:26:06,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:06,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:26:06,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:06,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:26:06,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:26:06,988 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand has 12 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:26:07,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:07,305 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2022-11-22 01:26:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 01:26:07,309 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 23 [2022-11-22 01:26:07,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:07,310 INFO L225 Difference]: With dead ends: 55 [2022-11-22 01:26:07,311 INFO L226 Difference]: Without dead ends: 38 [2022-11-22 01:26:07,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:26:07,312 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 75 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:07,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 57 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:26:07,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-22 01:26:07,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-11-22 01:26:07,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.36) internal successors, (34), 30 states have internal predecessors, (34), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:26:07,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2022-11-22 01:26:07,326 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 23 [2022-11-22 01:26:07,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:07,327 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-11-22 01:26:07,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:26:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-11-22 01:26:07,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 01:26:07,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:07,329 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:07,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:07,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:07,534 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:26:07,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:07,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1203009435, now seen corresponding path program 1 times [2022-11-22 01:26:07,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:07,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280424361] [2022-11-22 01:26:07,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:07,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:26:07,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:07,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280424361] [2022-11-22 01:26:07,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280424361] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:07,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362587803] [2022-11-22 01:26:07,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:07,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:07,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:07,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:07,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:26:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:07,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:26:07,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:26:07,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:26:07,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362587803] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:07,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1131058357] [2022-11-22 01:26:07,922 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-22 01:26:07,922 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:07,923 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:07,923 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:07,923 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:08,004 INFO L321 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2022-11-22 01:26:08,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2022-11-22 01:26:08,079 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-22 01:26:08,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-22 01:26:08,163 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 01:26:08,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 01:26:09,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:09,899 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-22 01:26:09,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 382 treesize of output 387 [2022-11-22 01:26:10,074 INFO L321 Elim1Store]: treesize reduction 238, result has 9.8 percent of original size [2022-11-22 01:26:10,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 342 treesize of output 344 [2022-11-22 01:26:10,152 INFO L321 Elim1Store]: treesize reduction 82, result has 9.9 percent of original size [2022-11-22 01:26:10,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 341 treesize of output 338 [2022-11-22 01:26:11,322 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-11-22 01:26:11,337 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:17,394 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '910#(and (<= |ULTIMATE.start_mkdup_~a#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|) (<= 0 |ULTIMATE.start_main_~#i~2#1.base|) (<= |ULTIMATE.start_mkdup_~j~0#1| 1073741824) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|) (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|) (<= |ULTIMATE.start_finddup_~a#1.offset| 0) (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648)) (<= |ULTIMATE.start_finddup_#in~n#1| 1073741824) (<= |ULTIMATE.start_finddup_~_i#1.offset| 0) (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_main_~n~0#1| 1073741824) (<= |ULTIMATE.start_finddup_~n#1| 1073741824) (not (<= |ULTIMATE.start_finddup_#t~post9#1| 2147483646)) (<= 0 |ULTIMATE.start_finddup_~a#1.offset|) (<= |ULTIMATE.start_mkdup_~i~0#1| 1073741824) (<= 0 |ULTIMATE.start_mkdup_~i~0#1|) (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (<= |ULTIMATE.start_mkdup_~n#1| 1073741824) (<= 0 |ULTIMATE.start_mkdup_~j~0#1|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_finddup_~_i#1.base|) (= |ULTIMATE.start_finddup_~i~1#1| 0) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0) (= |ULTIMATE.start_finddup_~j~1#1| |ULTIMATE.start_finddup_#t~post9#1|) (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_~_j#1.base|) (<= 0 |ULTIMATE.start_main_~#j~2#1.base|) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 4294967296) (<= |ULTIMATE.start_finddup_~_j#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 1073741824) (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|) (<= 1 |ULTIMATE.start_finddup_~n#1|) (<= |ULTIMATE.start_mkdup_#in~n#1| 1073741824) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~#i~2#1.offset| 0))' at error location [2022-11-22 01:26:17,395 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:26:17,395 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:17,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2022-11-22 01:26:17,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040213146] [2022-11-22 01:26:17,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:26:17,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-22 01:26:17,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:17,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-22 01:26:17,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2022-11-22 01:26:17,397 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 16 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 16 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:26:17,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:17,669 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2022-11-22 01:26:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-22 01:26:17,669 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 16 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2022-11-22 01:26:17,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:17,670 INFO L225 Difference]: With dead ends: 72 [2022-11-22 01:26:17,671 INFO L226 Difference]: Without dead ends: 71 [2022-11-22 01:26:17,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=278, Invalid=1282, Unknown=0, NotChecked=0, Total=1560 [2022-11-22 01:26:17,672 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 125 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:17,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 116 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:26:17,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-22 01:26:17,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 48. [2022-11-22 01:26:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 42 states have internal predecessors, (49), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:26:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2022-11-22 01:26:17,689 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 25 [2022-11-22 01:26:17,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:17,690 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2022-11-22 01:26:17,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 16 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:26:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-11-22 01:26:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 01:26:17,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:17,691 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:17,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:17,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:17,900 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:26:17,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:17,901 INFO L85 PathProgramCache]: Analyzing trace with hash -659220971, now seen corresponding path program 1 times [2022-11-22 01:26:17,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:17,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276386651] [2022-11-22 01:26:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:17,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-22 01:26:17,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:17,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276386651] [2022-11-22 01:26:17,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276386651] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:17,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805060131] [2022-11-22 01:26:17,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:17,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:17,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:17,994 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:18,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:26:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:18,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:26:18,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-22 01:26:18,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-22 01:26:18,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805060131] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:18,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1574699579] [2022-11-22 01:26:18,190 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-22 01:26:18,190 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:18,191 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:18,191 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:18,192 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:18,279 INFO L321 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2022-11-22 01:26:18,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2022-11-22 01:26:18,347 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-22 01:26:18,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-22 01:26:18,426 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 01:26:18,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 01:26:19,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:19,863 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-22 01:26:19,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 382 treesize of output 387 [2022-11-22 01:26:20,023 INFO L321 Elim1Store]: treesize reduction 238, result has 9.8 percent of original size [2022-11-22 01:26:20,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 342 treesize of output 344 [2022-11-22 01:26:20,100 INFO L321 Elim1Store]: treesize reduction 82, result has 9.9 percent of original size [2022-11-22 01:26:20,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 341 treesize of output 338 [2022-11-22 01:26:22,825 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-11-22 01:26:22,845 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:29,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1574699579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:29,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:29,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 25 [2022-11-22 01:26:29,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536614095] [2022-11-22 01:26:29,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:29,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-22 01:26:29,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:29,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-22 01:26:29,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2022-11-22 01:26:29,793 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand has 18 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:26:39,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:39,802 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2022-11-22 01:26:39,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-22 01:26:39,804 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 27 [2022-11-22 01:26:39,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:39,805 INFO L225 Difference]: With dead ends: 48 [2022-11-22 01:26:39,805 INFO L226 Difference]: Without dead ends: 43 [2022-11-22 01:26:39,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=196, Invalid=860, Unknown=0, NotChecked=0, Total=1056 [2022-11-22 01:26:39,807 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 51 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:39,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 4 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:26:39,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-22 01:26:39,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37. [2022-11-22 01:26:39,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:26:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2022-11-22 01:26:39,829 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 27 [2022-11-22 01:26:39,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:39,830 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-11-22 01:26:39,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:26:39,830 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-11-22 01:26:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-22 01:26:39,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:39,831 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:39,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:40,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:40,038 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:26:40,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:40,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1384412559, now seen corresponding path program 1 times [2022-11-22 01:26:40,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:40,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864646538] [2022-11-22 01:26:40,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:40,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-22 01:26:40,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:40,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864646538] [2022-11-22 01:26:40,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864646538] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:40,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290464855] [2022-11-22 01:26:40,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:40,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:40,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:40,154 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:40,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:26:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:40,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-22 01:26:40,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:26:40,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:26:40,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290464855] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:40,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1868296919] [2022-11-22 01:26:40,445 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-22 01:26:40,445 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:40,445 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:40,445 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:40,446 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:40,548 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 01:26:40,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 01:26:40,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 01:26:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:40,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-22 01:26:41,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:26:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:41,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2022-11-22 01:26:41,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:41,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:41,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:41,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:41,273 INFO L321 Elim1Store]: treesize reduction 60, result has 33.3 percent of original size [2022-11-22 01:26:41,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 61 [2022-11-22 01:26:41,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:41,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:41,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:41,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:41,404 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-22 01:26:41,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2022-11-22 01:26:44,287 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-11-22 01:26:44,302 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:52,562 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1592#(and (<= |ULTIMATE.start_mkdup_~a#1.offset| 0) (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|) (<= 0 |ULTIMATE.start_main_~#i~2#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|) (<= |ULTIMATE.start_mkdup_~j~0#1| 2147483647) (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|) (<= |ULTIMATE.start_mkdup_~i~0#1| 2147483647) (<= |ULTIMATE.start_finddup_~a#1.offset| 0) (<= |ULTIMATE.start_mkdup_~n#1| 2147483647) (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648)) (<= |ULTIMATE.start_finddup_~_i#1.offset| 0) (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (not (<= |ULTIMATE.start_finddup_#t~post9#1| 2147483646)) (<= 0 |ULTIMATE.start_finddup_~a#1.offset|) (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (<= 0 |ULTIMATE.start_finddup_~i~1#1|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|) (<= 0 (+ |ULTIMATE.start_mkdup_~j~0#1| 2147483648)) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|) (<= |ULTIMATE.start_mkdup_#in~n#1| 2147483647) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_finddup_~_i#1.base|) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (<= |ULTIMATE.start_finddup_~n#1| 2147483647) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_finddup_#in~n#1| 2147483647) (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0) (= |ULTIMATE.start_finddup_~j~1#1| |ULTIMATE.start_finddup_#t~post9#1|) (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_~_j#1.base|) (<= 0 |ULTIMATE.start_main_~#j~2#1.base|) (<= |ULTIMATE.start_finddup_~_j#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~i~0#1| 2147483648)) (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|) (<= 1 |ULTIMATE.start_finddup_~n#1|) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~#i~2#1.offset| 0))' at error location [2022-11-22 01:26:52,562 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:26:52,562 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:52,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 13 [2022-11-22 01:26:52,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931636521] [2022-11-22 01:26:52,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:26:52,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 01:26:52,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:52,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 01:26:52,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=769, Unknown=0, NotChecked=0, Total=870 [2022-11-22 01:26:52,564 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:26:53,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:53,225 INFO L93 Difference]: Finished difference Result 104 states and 121 transitions. [2022-11-22 01:26:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-22 01:26:53,226 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2022-11-22 01:26:53,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:53,227 INFO L225 Difference]: With dead ends: 104 [2022-11-22 01:26:53,227 INFO L226 Difference]: Without dead ends: 73 [2022-11-22 01:26:53,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 64 SyntacticMatches, 8 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=281, Invalid=2169, Unknown=0, NotChecked=0, Total=2450 [2022-11-22 01:26:53,229 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 136 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:53,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 107 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:26:53,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-22 01:26:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 54. [2022-11-22 01:26:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 01:26:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2022-11-22 01:26:53,276 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 31 [2022-11-22 01:26:53,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:53,277 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2022-11-22 01:26:53,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 01:26:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2022-11-22 01:26:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-22 01:26:53,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:53,278 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:53,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-22 01:26:53,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-22 01:26:53,480 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:26:53,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:53,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1761509664, now seen corresponding path program 2 times [2022-11-22 01:26:53,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:53,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320372379] [2022-11-22 01:26:53,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:53,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:53,754 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 01:26:53,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:53,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320372379] [2022-11-22 01:26:53,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320372379] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:53,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595664928] [2022-11-22 01:26:53,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:26:53,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:53,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:53,757 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:53,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:26:53,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-22 01:26:53,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:26:53,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:26:53,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:53,932 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-22 01:26:53,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-22 01:26:54,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595664928] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:54,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [993245893] [2022-11-22 01:26:54,019 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-22 01:26:54,019 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:54,019 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:54,019 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:54,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:54,118 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-22 01:26:54,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-22 01:26:54,183 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 01:26:54,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 01:26:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-22 01:26:54,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:26:54,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2022-11-22 01:26:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,816 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-22 01:26:54,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2022-11-22 01:26:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:26:54,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 18 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 47 [2022-11-22 01:26:55,989 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-11-22 01:26:56,004 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:27:02,325 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2087#(and (<= |ULTIMATE.start_mkdup_~a#1.offset| 0) (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|) (<= 0 |ULTIMATE.start_main_~#i~2#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|) (<= |ULTIMATE.start_mkdup_~j~0#1| 2147483647) (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|) (<= |ULTIMATE.start_mkdup_~i~0#1| 2147483647) (<= |ULTIMATE.start_finddup_~a#1.offset| 0) (<= |ULTIMATE.start_mkdup_~n#1| 2147483647) (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648)) (<= |ULTIMATE.start_finddup_~_i#1.offset| 0) (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (not (<= |ULTIMATE.start_finddup_#t~post9#1| 2147483646)) (<= 0 |ULTIMATE.start_finddup_~a#1.offset|) (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|) (<= 0 (+ |ULTIMATE.start_mkdup_~j~0#1| 2147483648)) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|) (<= |ULTIMATE.start_mkdup_#in~n#1| 2147483647) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_finddup_~_i#1.base|) (= |ULTIMATE.start_finddup_~i~1#1| 0) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (<= |ULTIMATE.start_finddup_~n#1| 2147483647) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_finddup_#in~n#1| 2147483647) (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0) (= |ULTIMATE.start_finddup_~j~1#1| |ULTIMATE.start_finddup_#t~post9#1|) (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_~_j#1.base|) (<= 0 |ULTIMATE.start_main_~#j~2#1.base|) (<= |ULTIMATE.start_finddup_~_j#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~i~0#1| 2147483648)) (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|) (<= 1 |ULTIMATE.start_finddup_~n#1|) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~#i~2#1.offset| 0))' at error location [2022-11-22 01:27:02,325 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:27:02,325 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:27:02,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2022-11-22 01:27:02,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918942554] [2022-11-22 01:27:02,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:27:02,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-22 01:27:02,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:27:02,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-22 01:27:02,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2022-11-22 01:27:02,328 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 18 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 18 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:27:02,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:27:02,811 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2022-11-22 01:27:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-22 01:27:02,811 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 18 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 37 [2022-11-22 01:27:02,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:27:02,812 INFO L225 Difference]: With dead ends: 74 [2022-11-22 01:27:02,812 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:27:02,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 87 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 840 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=452, Invalid=1900, Unknown=0, NotChecked=0, Total=2352 [2022-11-22 01:27:02,814 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 159 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:27:02,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 82 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:27:02,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:27:02,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:27:02,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:27:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:27:02,816 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-11-22 01:27:02,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:27:02,816 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:27:02,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 18 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:27:02,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:27:02,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:27:02,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-22 01:27:02,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-22 01:27:02,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-22 01:27:02,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-22 01:27:02,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-22 01:27:02,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-22 01:27:02,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:27:03,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-22 01:27:03,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:27:08,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-22 01:27:08,249 INFO L902 garLoopResultBuilder]: At program point L60-2(line 60) the Hoare annotation is: true [2022-11-22 01:27:08,249 INFO L899 garLoopResultBuilder]: For program point L60-3(line 60) no Hoare annotation was computed. [2022-11-22 01:27:08,250 INFO L895 garLoopResultBuilder]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= (select |#length| 3) 12) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_mkdup_~j~0#1| 2147483647) (<= |ULTIMATE.start_mkdup_~i~0#1| 2147483647) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_main_~n~0#1|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (not (= 3 |ULTIMATE.start_main_#t~malloc13#1.base|)) (<= 0 (+ |ULTIMATE.start_mkdup_~j~0#1| 2147483648)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_#t~malloc13#1.offset|) (= (select |#valid| |ULTIMATE.start_main_#t~malloc13#1.base|) 1) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (= |ULTIMATE.start_main_#t~malloc13#1.offset| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (= (select |#valid| 1) 1) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_mkdup_~n#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select |#valid| 0) 0) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc13#1.base|)) (<= 0 (+ |ULTIMATE.start_mkdup_~i~0#1| 2147483648)) (= |ULTIMATE.start_mkdup_~a#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= |ULTIMATE.start_mkdup_~a#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|)) (< |ULTIMATE.start_main_#t~malloc13#1.base| |#StackHeapBarrier|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:27:08,250 INFO L895 garLoopResultBuilder]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= (select |#length| 3) 12) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_mkdup_~j~0#1| 2147483647) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_main_~n~0#1|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (= 2 (select |#length| 1)) (not (= (ite (and (< |ULTIMATE.start_mkdup_~i~0#1| |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_mkdup_~i~0#1|)) 1 0) 0)) (= (select |#valid| 3) 1) (not (= 3 |ULTIMATE.start_main_#t~malloc13#1.base|)) (<= 0 (+ |ULTIMATE.start_mkdup_~j~0#1| 2147483648)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (= (select |#valid| |ULTIMATE.start_main_#t~malloc13#1.base|) 1) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (= |ULTIMATE.start_main_#t~malloc13#1.offset| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (= (select |#valid| 1) 1) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_mkdup_~n#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select |#valid| 0) 0) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select .cse0 0) 48) (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc13#1.base|)) (= |ULTIMATE.start_mkdup_~a#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= |ULTIMATE.start_mkdup_~a#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|)) (< |ULTIMATE.start_main_#t~malloc13#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:27:08,251 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-11-22 01:27:08,251 INFO L899 garLoopResultBuilder]: For program point L36-4(line 36) no Hoare annotation was computed. [2022-11-22 01:27:08,251 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-22 01:27:08,252 INFO L895 garLoopResultBuilder]: At program point L36-5(lines 36 44) the Hoare annotation is: (let ((.cse58 (select |#memory_int| 1))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse3 (= 2 (select |#length| 1))) (.cse5 (= (select |#valid| 3) 1)) (.cse10 (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0))) (.cse11 (= (select |#valid| 1) 1)) (.cse12 (= (select |#valid| 0) 0)) (.cse14 (= (select |#valid| 2) 1)) (.cse17 (= (select .cse58 0) 48)) (.cse1 (<= 4 |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1|)) (.cse2 (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648))) (.cse4 (<= 0 |ULTIMATE.start_mkdup_~i~0#1|)) (.cse7 (<= 0 |ULTIMATE.start_mkdup_~j~0#1|)) (.cse6 (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|)) (.cse8 (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647)) (.cse9 (<= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4)) (.cse13 (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|)) (.cse15 (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|)) (.cse16 (<= |ULTIMATE.start_finddup_~_j#1.offset| 0)) (.cse18 (= 10 (select |#length| 2))) (.cse19 (= (select .cse58 1) 0)) (.cse20 (<= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse21 (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0)) (.cse22 (< 0 |#StackHeapBarrier|)) (.cse23 (= |#NULL.base| 0)) (.cse24 (= |ULTIMATE.start_main_~#i~2#1.offset| 0))) (or (and (= |ULTIMATE.start_main_~#j~2#1.base| |ULTIMATE.start_finddup_#in~_j#1.base|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) .cse0 (= (select |#valid| |ULTIMATE.start_main_~#j~2#1.base|) 1) .cse1 (= |ULTIMATE.start_finddup_#in~a#1.base| |ULTIMATE.start_main_~a~0#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~2#1.base|) .cse2 (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_main_~n~0#1|) (= (select |#length| |ULTIMATE.start_main_~#i~2#1.base|) 4) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_finddup_~_j#1.base| |ULTIMATE.start_finddup_#in~_j#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#j~2#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (= |ULTIMATE.start_finddup_~_i#1.base| |ULTIMATE.start_finddup_#in~_i#1.base|) (= |ULTIMATE.start_main_~#i~2#1.base| |ULTIMATE.start_finddup_#in~_i#1.base|) (= |ULTIMATE.start_finddup_#in~a#1.base| |ULTIMATE.start_finddup_~a#1.base|) (= (select |#length| |ULTIMATE.start_main_~#j~2#1.base|) 4) (= (select |#valid| |ULTIMATE.start_main_~#i~2#1.base|) 1) .cse3 (not (= (ite (and (< |ULTIMATE.start_mkdup_~i~0#1| |ULTIMATE.start_mkdup_~n#1|) .cse4) 1 0) 0)) (= |ULTIMATE.start_finddup_#in~a#1.offset| |ULTIMATE.start_finddup_~a#1.offset|) .cse5 (not (= 3 |ULTIMATE.start_main_#t~malloc13#1.base|)) .cse6 (not (= (ite (and (< |ULTIMATE.start_mkdup_~j~0#1| |ULTIMATE.start_mkdup_~n#1|) .cse7) 1 0) 0)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) .cse8 (= (select |#valid| |ULTIMATE.start_main_#t~malloc13#1.base|) 1) (not (= |ULTIMATE.start_main_~#j~2#1.base| |ULTIMATE.start_main_~#i~2#1.base|)) .cse9 (= |ULTIMATE.start_main_~#i~2#1.offset| |ULTIMATE.start_finddup_#in~_i#1.offset|) (not (= (ite (not (= |ULTIMATE.start_mkdup_~i~0#1| |ULTIMATE.start_mkdup_~j~0#1|)) 1 0) 0)) .cse10 (= |ULTIMATE.start_main_#t~malloc13#1.offset| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_finddup_~i~1#1| 0) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) .cse11 (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_mkdup_~n#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_finddup_#in~a#1.offset|) .cse12 (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_finddup_#in~_i#1.offset| |ULTIMATE.start_finddup_~_i#1.offset|) .cse13 .cse14 (= |#NULL.offset| 0) .cse15 .cse16 .cse17 (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc13#1.base|)) (= |ULTIMATE.start_finddup_~n#1| |ULTIMATE.start_finddup_#in~n#1|) (= |ULTIMATE.start_mkdup_~a#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= |ULTIMATE.start_mkdup_~a#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) .cse18 .cse19 (< |ULTIMATE.start_main_#t~malloc13#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_finddup_#in~n#1|) .cse20 .cse21 .cse22 .cse23 .cse24 (= (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|) (store (store ((as const (Array Int Int)) 0) (+ |ULTIMATE.start_mkdup_~a#1.offset| (* |ULTIMATE.start_mkdup_~i~0#1| 4)) |ULTIMATE.start_mkdup_~x~0#1|) (+ |ULTIMATE.start_mkdup_~a#1.offset| (* |ULTIMATE.start_mkdup_~j~0#1| 4)) |ULTIMATE.start_mkdup_~x~0#1|))) (and .cse0 (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_finddup_~j~1#1| 2147483647) .cse3 (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) .cse5 (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) .cse10 (<= 1 |ULTIMATE.start_mkdup_~n#1|) .cse11 (<= 1 |ULTIMATE.start_main_~n~0#1|) .cse12 .cse14 .cse17 (let ((.cse25 (<= |ULTIMATE.start_mkdup_~a#1.offset| 0)) (.cse26 (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|)) (.cse27 (<= 0 |ULTIMATE.start_main_~#i~2#1.base|)) (.cse28 (<= |ULTIMATE.start_mkdup_~j~0#1| 1073741824)) (.cse29 (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0)) (.cse30 (<= 0 |ULTIMATE.start_main_~a~0#1.offset|)) (.cse31 (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|)) (.cse32 (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|)) (.cse33 (<= |ULTIMATE.start_finddup_~a#1.offset| 0)) (.cse34 (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0)) (.cse35 (<= |ULTIMATE.start_finddup_#in~n#1| 1073741824)) (.cse36 (<= |ULTIMATE.start_finddup_~_i#1.offset| 0)) (.cse37 (<= |ULTIMATE.start_main_~#j~2#1.offset| 0)) (.cse38 (<= |ULTIMATE.start_finddup_~n#1| 1073741824)) (.cse39 (<= 0 |ULTIMATE.start_finddup_~a#1.offset|)) (.cse40 (<= |ULTIMATE.start_mkdup_~i~0#1| 1073741824)) (.cse41 (<= |ULTIMATE.start_mkdup_~n#1| 1073741824)) (.cse42 (<= 0 |ULTIMATE.start_main_#t~malloc13#1.offset|)) (.cse43 (<= |#NULL.offset| 0)) (.cse44 (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|)) (.cse45 (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|)) (.cse46 (<= 0 |ULTIMATE.start_main_~#j~2#1.offset|)) (.cse47 (<= 0 |ULTIMATE.start_finddup_~_i#1.base|)) (.cse48 (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0)) (.cse49 (<= |ULTIMATE.start_main_#t~malloc13#1.offset| 0)) (.cse50 (<= 0 |ULTIMATE.start_finddup_~_j#1.base|)) (.cse51 (<= 0 |ULTIMATE.start_main_~#j~2#1.base|)) (.cse52 (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 4294967296)) (.cse53 (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 1073741824)) (.cse54 (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|)) (.cse55 (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|)) (.cse56 (<= |ULTIMATE.start_mkdup_#in~n#1| 1073741824)) (.cse57 (<= 0 |#NULL.offset|))) (or (and .cse25 (<= 2 |ULTIMATE.start_finddup_~j~1#1|) .cse26 .cse27 .cse28 (<= |ULTIMATE.start_finddup_~i~1#1| 2147483647) .cse1 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse2 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse4 .cse41 .cse7 .cse42 .cse43 .cse6 .cse44 .cse45 .cse46 .cse8 .cse9 .cse47 .cse48 .cse13 .cse49 .cse15 .cse50 .cse51 .cse52 .cse16 .cse53 .cse54 .cse55 .cse56 .cse57 (<= 1 |ULTIMATE.start_finddup_~i~1#1|)) (and .cse25 .cse26 .cse27 .cse28 .cse1 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse2 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse4 .cse41 (<= 0 |ULTIMATE.start_finddup_~i~1#1|) .cse7 .cse42 .cse43 .cse6 .cse44 .cse45 .cse46 .cse8 .cse9 .cse47 (<= |ULTIMATE.start_finddup_~i~1#1| 0) .cse48 .cse13 .cse49 .cse15 .cse50 .cse51 .cse52 .cse16 .cse53 .cse54 .cse55 .cse56 .cse57))) .cse18 (<= |ULTIMATE.start_finddup_~n#1| |ULTIMATE.start_finddup_~j~1#1|) (<= 1 |ULTIMATE.start_finddup_~n#1|) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) .cse19 .cse20 (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) .cse21 .cse22 .cse23 .cse24)))) [2022-11-22 01:27:08,252 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:27:08,253 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-22 01:27:08,253 INFO L902 garLoopResultBuilder]: At program point L61-2(line 61) the Hoare annotation is: true [2022-11-22 01:27:08,253 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-11-22 01:27:08,253 INFO L895 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= (select |#length| 3) 12) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_main_~n~0#1|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (= 2 (select |#length| 1)) (not (= (ite (and (< |ULTIMATE.start_mkdup_~i~0#1| |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_mkdup_~i~0#1|)) 1 0) 0)) (= (select |#valid| 3) 1) (not (= 3 |ULTIMATE.start_main_#t~malloc13#1.base|)) (not (= (ite (and (< |ULTIMATE.start_mkdup_~j~0#1| |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_mkdup_~j~0#1|)) 1 0) 0)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (= (select |#valid| |ULTIMATE.start_main_#t~malloc13#1.base|) 1) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (= |ULTIMATE.start_main_#t~malloc13#1.offset| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (= (select |#valid| 1) 1) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_mkdup_~n#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select |#valid| 0) 0) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select .cse0 0) 48) (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc13#1.base|)) (= |ULTIMATE.start_mkdup_~a#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= |ULTIMATE.start_mkdup_~a#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|)) (< |ULTIMATE.start_main_#t~malloc13#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:27:08,254 INFO L902 garLoopResultBuilder]: At program point L45(lines 33 46) the Hoare annotation is: true [2022-11-22 01:27:08,254 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-22 01:27:08,254 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-11-22 01:27:08,254 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-22 01:27:08,254 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:27:08,254 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2022-11-22 01:27:08,255 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2022-11-22 01:27:08,255 INFO L895 garLoopResultBuilder]: At program point L37-7(lines 37 43) the Hoare annotation is: (let ((.cse28 (select |#memory_int| 1))) (and (< |ULTIMATE.start_finddup_~i~1#1| |ULTIMATE.start_finddup_~n#1|) (= (select |#length| 3) 12) (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_finddup_~j~1#1| 2147483647) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (= (select |#valid| 3) 1) (<= 1 |ULTIMATE.start_finddup_~j~1#1|) (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (let ((.cse0 (<= |ULTIMATE.start_mkdup_~a#1.offset| 0)) (.cse1 (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|)) (.cse2 (<= 0 |ULTIMATE.start_main_~#i~2#1.base|)) (.cse3 (<= |ULTIMATE.start_mkdup_~j~0#1| 1073741824)) (.cse4 (<= 4 |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1|)) (.cse5 (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0)) (.cse6 (<= 0 |ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|)) (.cse8 (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|)) (.cse9 (<= |ULTIMATE.start_finddup_~a#1.offset| 0)) (.cse10 (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0)) (.cse11 (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648))) (.cse12 (<= |ULTIMATE.start_finddup_#in~n#1| 1073741824)) (.cse13 (<= |ULTIMATE.start_finddup_~_i#1.offset| 0)) (.cse14 (<= |ULTIMATE.start_finddup_~n#1| 1073741824)) (.cse15 (<= 0 |ULTIMATE.start_finddup_~a#1.offset|)) (.cse16 (<= |ULTIMATE.start_mkdup_~i~0#1| 1073741824)) (.cse17 (<= 0 |ULTIMATE.start_mkdup_~i~0#1|)) (.cse18 (<= |ULTIMATE.start_mkdup_~n#1| 1073741824)) (.cse19 (<= 0 |ULTIMATE.start_mkdup_~j~0#1|)) (.cse20 (<= 0 |ULTIMATE.start_main_#t~malloc13#1.offset|)) (.cse21 (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|)) (.cse22 (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|)) (.cse23 (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|)) (.cse24 (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647)) (.cse25 (<= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4)) (.cse26 (<= 0 |ULTIMATE.start_finddup_~_i#1.base|)) (.cse27 (<= |ULTIMATE.start_main_#t~malloc13#1.offset| 0))) (or (and .cse0 (<= 2 |ULTIMATE.start_finddup_~j~1#1|) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (<= 1 |ULTIMATE.start_finddup_~i~1#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= 0 |ULTIMATE.start_finddup_~i~1#1|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (<= |ULTIMATE.start_finddup_~i~1#1| 0) .cse27))) (<= 1 |ULTIMATE.start_mkdup_~n#1|) (= (select |#valid| 1) 1) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0) (= (select |#valid| 0) 0) (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_~_j#1.base|) (<= 0 |ULTIMATE.start_main_~#j~2#1.base|) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 4294967296) (<= |ULTIMATE.start_finddup_~_j#1.offset| 0) (= (select .cse28 0) 48) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 1073741824) (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|) (= 10 (select |#length| 2)) (<= |ULTIMATE.start_mkdup_#in~n#1| 1073741824) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) (= (select .cse28 1) 0) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~#i~2#1.offset| 0))) [2022-11-22 01:27:08,255 INFO L902 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: true [2022-11-22 01:27:08,256 INFO L899 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2022-11-22 01:27:08,256 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-22 01:27:08,256 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-22 01:27:08,256 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2022-11-22 01:27:08,256 INFO L902 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: true [2022-11-22 01:27:08,256 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-22 01:27:08,257 INFO L902 garLoopResultBuilder]: At program point L63-1(line 63) the Hoare annotation is: true [2022-11-22 01:27:08,257 INFO L902 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: true [2022-11-22 01:27:08,257 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-11-22 01:27:08,257 INFO L895 garLoopResultBuilder]: At program point L51(line 51) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (= (select |#length| 3) 12) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))) [2022-11-22 01:27:08,257 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-22 01:27:08,257 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 15 17) the Hoare annotation is: true [2022-11-22 01:27:08,258 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 15 17) no Hoare annotation was computed. [2022-11-22 01:27:08,258 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 9 11) the Hoare annotation is: true [2022-11-22 01:27:08,258 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 11) no Hoare annotation was computed. [2022-11-22 01:27:08,261 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:27:08,263 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:27:08,274 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,275 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,276 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,283 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,283 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,284 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,288 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:347) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:347) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 01:27:08,291 INFO L158 Benchmark]: Toolchain (without parser) took 71109.37ms. Allocated memory was 136.3MB in the beginning and 310.4MB in the end (delta: 174.1MB). Free memory was 90.0MB in the beginning and 226.6MB in the end (delta: -136.7MB). Peak memory consumption was 173.2MB. Max. memory is 16.1GB. [2022-11-22 01:27:08,291 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory was 65.7MB in the beginning and 65.6MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:27:08,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.70ms. Allocated memory is still 136.3MB. Free memory was 90.0MB in the beginning and 78.9MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:27:08,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.68ms. Allocated memory is still 136.3MB. Free memory was 78.9MB in the beginning and 77.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:27:08,292 INFO L158 Benchmark]: Boogie Preprocessor took 29.67ms. Allocated memory is still 136.3MB. Free memory was 77.0MB in the beginning and 75.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:27:08,292 INFO L158 Benchmark]: RCFGBuilder took 596.76ms. Allocated memory is still 136.3MB. Free memory was 75.3MB in the beginning and 56.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 01:27:08,293 INFO L158 Benchmark]: TraceAbstraction took 70070.38ms. Allocated memory was 136.3MB in the beginning and 310.4MB in the end (delta: 174.1MB). Free memory was 55.4MB in the beginning and 226.6MB in the end (delta: -171.3MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. [2022-11-22 01:27:08,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory was 65.7MB in the beginning and 65.6MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.70ms. Allocated memory is still 136.3MB. Free memory was 90.0MB in the beginning and 78.9MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.68ms. Allocated memory is still 136.3MB. Free memory was 78.9MB in the beginning and 77.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.67ms. Allocated memory is still 136.3MB. Free memory was 77.0MB in the beginning and 75.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.76ms. Allocated memory is still 136.3MB. Free memory was 75.3MB in the beginning and 56.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 70070.38ms. Allocated memory was 136.3MB in the beginning and 310.4MB in the end (delta: 174.1MB). Free memory was 55.4MB in the beginning and 226.6MB in the end (delta: -171.3MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * 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: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 69.9s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 629 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 616 mSDsluCounter, 623 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 476 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 947 IncrementalHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 147 mSDtfsCounter, 947 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 313 SyntacticMatches, 19 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2563 ImplicationChecksByTransitivity, 42.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=8, InterpolantAutomatonStates: 119, 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, 9 MinimizatonAttempts, 79 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 27 PreInvPairs, 55 NumberOfFragments, 1591 HoareAnnotationTreeSize, 27 FomulaSimplifications, 64 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 15 FomulaSimplificationsInter, 16494 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 366 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 490 ConstructedInterpolants, 0 QuantifiedInterpolants, 1126 SizeOfPredicates, 15 NumberOfNonLiveVariables, 885 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 298/384 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 7.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 44, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 81, TOOLS_POST_TIME: 3.8s, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME: 1.6s, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 121, TOOLS_QUANTIFIERELIM_TIME: 5.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.5s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 166, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 38, DOMAIN_JOIN_TIME: 0.9s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 1.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 828, DAG_COMPRESSION_RETAINED_NODES: 135, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant [2022-11-22 01:27:08,304 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,304 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,305 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,307 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,308 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 01:27:08,308 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled Derived loop invariant: (((((((((((((((((((((((((((((((((((((i < n && unknown-#length-unknown[3] == 12) && 1 <= \old(n)) && j <= 2147483647) && 2 == unknown-#length-unknown[1]) && 1 <= unknown-#amountOfFields-unknown) && \valid[3] == 1) && 1 <= j) && 4 <= unknown-#product-unknown) && !((if n < 1073741824 && 0 <= n then 1 else 0) == 0)) && ((((((((((((((((((((((((((((((a <= 0 && 2 <= j) && 0 <= _i) && 0 <= i) && j <= 1073741824) && 4 <= unknown-#sizeOfFields-unknown) && _i <= 0) && 0 <= a) && 0 <= _i) && 0 <= a) && a <= 0) && a <= 0) && 0 <= x + 2147483648) && \old(n) <= 1073741824) && _i <= 0) && n <= 1073741824) && 0 <= a) && i <= 1073741824) && 0 <= i) && n <= 1073741824) && 0 <= j) && 0 <= calloc(n, sizeof(int))) && 0 <= _j) && 0 <= _i) && 0 <= #Ultimate.meminit_#ptr#1) && x <= 2147483647) && unknown-#sizeOfFields-unknown <= 4) && 0 <= _i) && calloc(n, sizeof(int)) <= 0) && 1 <= i) || (((((((((((((((((((((((((((((a <= 0 && 0 <= _i) && 0 <= i) && j <= 1073741824) && 4 <= unknown-#sizeOfFields-unknown) && _i <= 0) && 0 <= a) && 0 <= _i) && 0 <= a) && a <= 0) && a <= 0) && 0 <= x + 2147483648) && \old(n) <= 1073741824) && _i <= 0) && n <= 1073741824) && 0 <= a) && i <= 1073741824) && 0 <= i) && n <= 1073741824) && 0 <= i) && 0 <= j) && 0 <= calloc(n, sizeof(int))) && 0 <= _j) && 0 <= _i) && 0 <= #Ultimate.meminit_#ptr#1) && x <= 2147483647) && unknown-#sizeOfFields-unknown <= 4) && 0 <= _i) && i <= 0) && calloc(n, sizeof(int)) <= 0))) && 1 <= n) && \valid[1] == 1) && 1 <= n) && a <= 0) && \valid[0] == 0) && j == 0) && 0 <= _j) && \valid[2] == 1) && #NULL == 0) && 0 <= a) && 0 <= _j) && 0 <= j) && unknown-#product-unknown <= 4294967296) && _j <= 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#amountOfFields-unknown <= 1073741824) && 0 <= a) && 0 <= _j) && 10 == unknown-#length-unknown[2]) && \old(n) <= 1073741824) && 1 <= \old(n)) && unknown-#memory_int-unknown[1][1] == 0) && a <= 0) && #Ultimate.meminit_#ptr#1 <= 0) && _j <= 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && i == 0 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-22 01:27:08,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/duplets.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:27:10,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:27:10,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:27:10,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:27:10,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:27:10,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:27:10,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:27:10,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:27:10,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:27:10,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:27:10,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:27:10,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:27:10,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:27:10,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:27:10,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:27:10,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:27:10,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:27:10,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:27:10,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:27:10,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:27:10,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:27:10,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:27:10,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:27:10,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:27:10,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:27:10,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:27:10,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:27:10,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:27:10,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:27:10,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:27:10,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:27:10,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:27:10,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:27:10,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:27:10,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:27:10,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:27:10,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:27:10,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:27:10,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:27:10,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:27:10,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:27:10,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-22 01:27:10,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:27:10,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:27:10,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:27:10,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:27:10,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:27:10,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:27:10,918 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:27:10,919 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:27:10,919 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:27:10,919 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:27:10,920 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:27:10,921 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:27:10,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:27:10,922 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:27:10,922 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:27:10,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:27:10,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:27:10,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:27:10,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:27:10,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:27:10,923 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:27:10,924 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:27:10,924 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:27:10,924 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:27:10,924 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:27:10,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:27:10,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:27:10,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:27:10,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:27:10,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:27:10,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:27:10,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:27:10,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:27:10,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:27:10,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:27:10,927 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:27:10,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:27:10,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:27:10,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:27:10,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:27:10,929 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 [2022-11-22 01:27:11,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:27:11,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:27:11,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:27:11,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:27:11,381 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:27:11,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/verifythis/duplets.c [2022-11-22 01:27:14,595 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:27:14,881 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:27:14,882 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/sv-benchmarks/c/verifythis/duplets.c [2022-11-22 01:27:14,891 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/data/a7375ec69/462285132bae4fef8c34d4644425a392/FLAGbaa615a2a [2022-11-22 01:27:14,912 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae990786-369e-4ebf-9c32-6dc3671d2714/bin/utaipan-g80aRyZoba/data/a7375ec69/462285132bae4fef8c34d4644425a392 [2022-11-22 01:27:14,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:27:14,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:27:14,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:27:14,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:27:14,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:27:14,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:27:14" (1/1) ... [2022-11-22 01:27:14,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a2f359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:27:14, skipping insertion in model container [2022-11-22 01:27:14,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:27:14" (1/1) ... [2022-11-22 01:27:14,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:27:14,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:27:15,183 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_ae990786-369e-4ebf-9c32-6dc3671d2714/sv-benchmarks/c/verifythis/duplets.c[485,498] [2022-11-22 01:27:15,219 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 01:27:15,228 INFO L158 Benchmark]: Toolchain (without parser) took 299.51ms. Allocated memory is still 79.7MB. Free memory was 57.0MB in the beginning and 48.1MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:27:15,228 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:27:15,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.08ms. Allocated memory is still 79.7MB. Free memory was 56.9MB in the beginning and 48.1MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:27:15,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.08ms. Allocated memory is still 79.7MB. Free memory was 56.9MB in the beginning and 48.1MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.