./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pnr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9 --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 e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e --- 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-6b4ec56 [2022-11-20 20:33:21,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:33:21,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:33:21,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:33:21,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:33:21,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:33:21,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:33:21,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:33:21,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:33:21,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:33:21,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:33:21,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:33:21,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:33:21,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:33:21,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:33:21,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:33:21,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:33:21,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:33:21,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:33:21,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:33:21,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:33:21,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:33:21,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:33:21,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:33:21,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:33:21,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:33:21,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:33:21,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:33:21,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:33:21,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:33:21,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:33:21,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:33:21,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:33:21,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:33:21,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:33:21,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:33:21,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:33:21,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:33:21,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:33:21,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:33:21,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:33:21,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-20 20:33:21,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:33:21,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:33:21,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:33:21,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:33:21,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:33:21,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:33:21,636 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:33:21,637 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:33:21,637 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:33:21,637 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:33:21,638 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:33:21,638 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:33:21,638 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:33:21,639 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:33:21,639 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:33:21,639 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:33:21,639 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:33:21,639 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:33:21,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:33:21,641 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:33:21,641 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:33:21,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:33:21,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:33:21,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:33:21,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:33:21,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:33:21,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:33:21,642 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:33:21,642 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:33:21,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:33:21,643 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:33:21,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:33:21,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:33:21,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:33:21,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:33:21,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:33:21,644 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:33:21,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:33:21,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:33:21,644 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:33:21,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:33:21,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:33:21,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:33:21,645 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_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e [2022-11-20 20:33:21,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:33:21,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:33:21,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:33:21,960 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:33:21,960 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:33:21,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/array-tiling/pnr3.c [2022-11-20 20:33:25,062 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:33:25,280 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:33:25,281 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/sv-benchmarks/c/array-tiling/pnr3.c [2022-11-20 20:33:25,288 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/data/28dd93b78/6aa6ff916b4b42d2b289df88d8fe1606/FLAG9dc1c4ef7 [2022-11-20 20:33:25,303 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/data/28dd93b78/6aa6ff916b4b42d2b289df88d8fe1606 [2022-11-20 20:33:25,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:33:25,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:33:25,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:33:25,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:33:25,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:33:25,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa63fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25, skipping insertion in model container [2022-11-20 20:33:25,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:33:25,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:33:25,485 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_c9f6248b-86e4-4794-aa23-53a55d300c4b/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-11-20 20:33:25,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:33:25,549 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:33:25,564 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_c9f6248b-86e4-4794-aa23-53a55d300c4b/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-11-20 20:33:25,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:33:25,610 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:33:25,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25 WrapperNode [2022-11-20 20:33:25,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:33:25,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:33:25,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:33:25,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:33:25,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,677 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2022-11-20 20:33:25,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:33:25,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:33:25,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:33:25,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:33:25,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,712 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:33:25,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:33:25,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:33:25,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:33:25,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (1/1) ... [2022-11-20 20:33:25,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:33:25,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:33:25,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:33:25,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:33:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:33:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:33:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:33:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:33:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2022-11-20 20:33:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2022-11-20 20:33:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:33:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:33:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:33:25,884 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:33:25,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:33:26,187 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:33:26,255 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:33:26,255 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 20:33:26,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:33:26 BoogieIcfgContainer [2022-11-20 20:33:26,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:33:26,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:33:26,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:33:26,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:33:26,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:33:25" (1/3) ... [2022-11-20 20:33:26,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5991a017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:33:26, skipping insertion in model container [2022-11-20 20:33:26,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:25" (2/3) ... [2022-11-20 20:33:26,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5991a017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:33:26, skipping insertion in model container [2022-11-20 20:33:26,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:33:26" (3/3) ... [2022-11-20 20:33:26,269 INFO L112 eAbstractionObserver]: Analyzing ICFG pnr3.c [2022-11-20 20:33:26,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:33:26,290 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-20 20:33:26,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:33:26,377 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;@37fc18d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:33:26,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-20 20:33:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:33:26,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 20:33:26,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:33:26,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 20:33:26,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:33:26,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:33:26,401 INFO L85 PathProgramCache]: Analyzing trace with hash 5552805, now seen corresponding path program 1 times [2022-11-20 20:33:26,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:33:26,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318372792] [2022-11-20 20:33:26,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:26,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:33:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:33:27,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:33:27,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318372792] [2022-11-20 20:33:27,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318372792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:33:27,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:33:27,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:33:27,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612041302] [2022-11-20 20:33:27,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:33:27,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:33:27,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:33:27,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:33:27,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:33:27,094 INFO L87 Difference]: Start difference. First operand has 81 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:33:27,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:33:27,335 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2022-11-20 20:33:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:33:27,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-20 20:33:27,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:33:27,385 INFO L225 Difference]: With dead ends: 95 [2022-11-20 20:33:27,385 INFO L226 Difference]: Without dead ends: 76 [2022-11-20 20:33:27,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 20:33:27,392 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 235 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:33:27,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 77 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:33:27,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-20 20:33:27,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-20 20:33:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 71 states have internal predecessors, (76), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:33:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2022-11-20 20:33:27,485 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 4 [2022-11-20 20:33:27,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:33:27,486 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2022-11-20 20:33:27,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:33:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2022-11-20 20:33:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 20:33:27,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:33:27,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:33:27,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:33:27,492 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:33:27,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:33:27,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1773058136, now seen corresponding path program 1 times [2022-11-20 20:33:27,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:33:27,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952981845] [2022-11-20 20:33:27,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:27,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:33:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:33:27,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:33:27,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952981845] [2022-11-20 20:33:27,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952981845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:33:27,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:33:27,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:33:27,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423570984] [2022-11-20 20:33:27,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:33:27,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:33:27,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:33:27,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:33:27,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:33:27,686 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:33:27,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:33:27,848 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2022-11-20 20:33:27,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:33:27,851 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 20:33:27,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:33:27,852 INFO L225 Difference]: With dead ends: 81 [2022-11-20 20:33:27,852 INFO L226 Difference]: Without dead ends: 79 [2022-11-20 20:33:27,853 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 [2022-11-20 20:33:27,854 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 3 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:33:27,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 173 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:33:27,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-20 20:33:27,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-20 20:33:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 47 states have (on average 1.6808510638297873) internal successors, (79), 74 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:33:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2022-11-20 20:33:27,881 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 9 [2022-11-20 20:33:27,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:33:27,885 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2022-11-20 20:33:27,886 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), 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) [2022-11-20 20:33:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2022-11-20 20:33:27,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 20:33:27,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:33:27,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:33:27,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:33:27,887 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:33:27,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:33:27,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1071596128, now seen corresponding path program 1 times [2022-11-20 20:33:27,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:33:27,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826398173] [2022-11-20 20:33:27,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:27,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:33:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:33:27,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:33:27,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826398173] [2022-11-20 20:33:27,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826398173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:33:27,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:33:27,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:33:27,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245651167] [2022-11-20 20:33:27,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:33:27,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:33:27,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:33:27,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:33:27,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:33:27,959 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:33:28,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:33:28,138 INFO L93 Difference]: Finished difference Result 145 states and 158 transitions. [2022-11-20 20:33:28,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:33:28,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-20 20:33:28,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:33:28,148 INFO L225 Difference]: With dead ends: 145 [2022-11-20 20:33:28,148 INFO L226 Difference]: Without dead ends: 121 [2022-11-20 20:33:28,152 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 [2022-11-20 20:33:28,154 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 36 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:33:28,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 77 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:33:28,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-20 20:33:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2022-11-20 20:33:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.45) internal successors, (116), 107 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 20:33:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 128 transitions. [2022-11-20 20:33:28,186 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 128 transitions. Word has length 12 [2022-11-20 20:33:28,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:33:28,188 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 128 transitions. [2022-11-20 20:33:28,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:33:28,188 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2022-11-20 20:33:28,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 20:33:28,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:33:28,189 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:33:28,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:33:28,189 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:33:28,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:33:28,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1666958657, now seen corresponding path program 1 times [2022-11-20 20:33:28,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:33:28,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979715705] [2022-11-20 20:33:28,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:28,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:33:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:33:28,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:33:28,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979715705] [2022-11-20 20:33:28,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979715705] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:33:28,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247740646] [2022-11-20 20:33:28,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:28,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:33:28,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:33:28,382 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:33:28,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:33:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:28,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:33:28,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:33:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:33:28,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:33:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:33:28,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247740646] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:33:28,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1084927680] [2022-11-20 20:33:28,639 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-20 20:33:28,640 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:33:28,643 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:33:28,650 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:33:28,651 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:33:28,817 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-20 20:33:28,818 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 [2022-11-20 20:33:28,970 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:33:28,971 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 [2022-11-20 20:33:29,102 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:33:29,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1084927680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:33:29,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:33:29,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-20 20:33:29,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340603402] [2022-11-20 20:33:29,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:33:29,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:33:29,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:33:29,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:33:29,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-20 20:33:29,878 INFO L87 Difference]: Start difference. First operand 115 states and 128 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-20 20:33:30,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:33:30,436 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2022-11-20 20:33:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:33:30,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-20 20:33:30,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:33:30,438 INFO L225 Difference]: With dead ends: 129 [2022-11-20 20:33:30,438 INFO L226 Difference]: Without dead ends: 120 [2022-11-20 20:33:30,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-20 20:33:30,440 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 176 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:33:30,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 48 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 20:33:30,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-20 20:33:30,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2022-11-20 20:33:30,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4375) internal successors, (115), 107 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 20:33:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 127 transitions. [2022-11-20 20:33:30,484 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 127 transitions. Word has length 12 [2022-11-20 20:33:30,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:33:30,485 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 127 transitions. [2022-11-20 20:33:30,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-20 20:33:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 127 transitions. [2022-11-20 20:33:30,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 20:33:30,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:33:30,490 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:33:30,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 20:33:30,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:33:30,699 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:33:30,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:33:30,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1717549988, now seen corresponding path program 1 times [2022-11-20 20:33:30,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:33:30,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431995064] [2022-11-20 20:33:30,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:30,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:33:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:30,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 20:33:30,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:33:30,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431995064] [2022-11-20 20:33:30,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431995064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:33:30,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:33:30,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:33:30,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466386091] [2022-11-20 20:33:30,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:33:30,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:33:30,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:33:30,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:33:30,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:33:30,853 INFO L87 Difference]: Start difference. First operand 115 states and 127 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 20:33:31,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:33:31,000 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2022-11-20 20:33:31,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:33:31,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2022-11-20 20:33:31,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:33:31,002 INFO L225 Difference]: With dead ends: 120 [2022-11-20 20:33:31,002 INFO L226 Difference]: Without dead ends: 118 [2022-11-20 20:33:31,003 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 [2022-11-20 20:33:31,004 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 18 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:33:31,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 127 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:33:31,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-20 20:33:31,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-20 20:33:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 110 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 20:33:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 130 transitions. [2022-11-20 20:33:31,025 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 130 transitions. Word has length 35 [2022-11-20 20:33:31,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:33:31,025 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 130 transitions. [2022-11-20 20:33:31,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 20:33:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2022-11-20 20:33:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 20:33:31,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:33:31,027 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:33:31,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:33:31,028 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:33:31,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:33:31,028 INFO L85 PathProgramCache]: Analyzing trace with hash 763617355, now seen corresponding path program 1 times [2022-11-20 20:33:31,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:33:31,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861591935] [2022-11-20 20:33:31,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:31,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:33:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 20:33:31,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:33:31,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861591935] [2022-11-20 20:33:31,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861591935] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:33:31,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506281401] [2022-11-20 20:33:31,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:31,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:33:31,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:33:31,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:33:31,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:33:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:31,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 20:33:31,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:33:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 20:33:31,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:33:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 20:33:31,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506281401] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:33:31,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [102383918] [2022-11-20 20:33:31,403 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2022-11-20 20:33:31,403 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:33:31,403 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:33:31,404 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:33:31,404 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:33:31,537 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:33:31,537 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 [2022-11-20 20:33:31,565 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 [2022-11-20 20:33:31,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-20 20:33:32,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-20 20:33:32,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-20 20:33:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:34,356 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-20 20:33:34,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 677 treesize of output 637 [2022-11-20 20:33:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:36,082 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-11-20 20:33:36,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 62 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 762 treesize of output 680 [2022-11-20 20:33:37,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:37,674 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-20 20:33:37,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 75 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 786 treesize of output 698 [2022-11-20 20:33:38,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:33:38,077 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 56 treesize of output 37 [2022-11-20 20:33:38,151 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:33:38,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:33:38,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:33:38,331 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 56 treesize of output 37 [2022-11-20 20:33:38,440 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:33:38,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:33:38,603 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-20 20:33:38,605 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:33:41,727 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1635#(and (not (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0) (<= 1 ~SIZE~0) (<= |ULTIMATE.start_main_~value~0#1| 2147483647) (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|) (<= ~SIZE~0 100000) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (not (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 20:33:41,727 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:33:41,728 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:33:41,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-20 20:33:41,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964415145] [2022-11-20 20:33:41,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:33:41,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 20:33:41,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:33:41,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 20:33:41,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2022-11-20 20:33:41,730 INFO L87 Difference]: Start difference. First operand 118 states and 130 transitions. Second operand has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-20 20:33:42,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:33:42,035 INFO L93 Difference]: Finished difference Result 171 states and 217 transitions. [2022-11-20 20:33:42,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 20:33:42,036 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 45 [2022-11-20 20:33:42,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:33:42,038 INFO L225 Difference]: With dead ends: 171 [2022-11-20 20:33:42,038 INFO L226 Difference]: Without dead ends: 158 [2022-11-20 20:33:42,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 101 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=198, Invalid=992, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 20:33:42,040 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 194 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:33:42,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 111 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:33:42,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-11-20 20:33:42,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2022-11-20 20:33:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 126 states have (on average 1.3492063492063493) internal successors, (170), 143 states have internal predecessors, (170), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 20:33:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 190 transitions. [2022-11-20 20:33:42,060 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 190 transitions. Word has length 45 [2022-11-20 20:33:42,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:33:42,060 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 190 transitions. [2022-11-20 20:33:42,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-20 20:33:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 190 transitions. [2022-11-20 20:33:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 20:33:42,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:33:42,062 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:33:42,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:33:42,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 20:33:42,268 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:33:42,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:33:42,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1974937430, now seen corresponding path program 1 times [2022-11-20 20:33:42,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:33:42,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684068062] [2022-11-20 20:33:42,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:42,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:33:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:33:42,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:33:42,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684068062] [2022-11-20 20:33:42,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684068062] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:33:42,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879470019] [2022-11-20 20:33:42,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:33:42,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:33:42,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:33:42,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:33:42,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:33:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:33:42,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:33:42,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:33:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:33:42,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:33:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:33:42,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879470019] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:33:42,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1255378288] [2022-11-20 20:33:42,536 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-20 20:33:42,537 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:33:42,537 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:33:42,537 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:33:42,538 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:33:42,626 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:33:42,626 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 [2022-11-20 20:33:42,638 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 [2022-11-20 20:33:42,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-20 20:33:43,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-20 20:33:43,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-20 20:33:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:33:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:33:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:44,539 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-20 20:33:44,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 40 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 641 treesize of output 623 [2022-11-20 20:33:46,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:33:46,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-20 20:33:46,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:33:46,319 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 56 treesize of output 37 [2022-11-20 20:33:46,386 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:33:46,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:33:46,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:33:46,522 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 56 treesize of output 37 [2022-11-20 20:33:46,605 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:33:46,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:33:46,840 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-20 20:33:46,843 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:33:50,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1255378288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:33:50,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:33:50,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-20 20:33:50,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171215270] [2022-11-20 20:33:50,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:33:50,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-20 20:33:50,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:33:50,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-20 20:33:50,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=973, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 20:33:50,396 INFO L87 Difference]: Start difference. First operand 155 states and 190 transitions. Second operand has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:34:01,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:34:01,788 INFO L93 Difference]: Finished difference Result 426 states and 541 transitions. [2022-11-20 20:34:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-20 20:34:01,789 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-20 20:34:01,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:34:01,792 INFO L225 Difference]: With dead ends: 426 [2022-11-20 20:34:01,792 INFO L226 Difference]: Without dead ends: 403 [2022-11-20 20:34:01,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 96 SyntacticMatches, 9 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=662, Invalid=2998, Unknown=0, NotChecked=0, Total=3660 [2022-11-20 20:34:01,795 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 272 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 20:34:01,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 168 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 20:34:01,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-11-20 20:34:01,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 286. [2022-11-20 20:34:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 244 states have (on average 1.2418032786885247) internal successors, (303), 261 states have internal predecessors, (303), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-11-20 20:34:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2022-11-20 20:34:01,838 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 45 [2022-11-20 20:34:01,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:34:01,838 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2022-11-20 20:34:01,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:34:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2022-11-20 20:34:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 20:34:01,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:34:01,841 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:34:01,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-20 20:34:02,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:34:02,047 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:34:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:34:02,047 INFO L85 PathProgramCache]: Analyzing trace with hash 653817652, now seen corresponding path program 1 times [2022-11-20 20:34:02,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:34:02,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952362133] [2022-11-20 20:34:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:34:02,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:34:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:34:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:34:02,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:34:02,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952362133] [2022-11-20 20:34:02,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952362133] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:34:02,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973445148] [2022-11-20 20:34:02,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:34:02,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:34:02,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:34:02,215 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:34:02,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 20:34:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:34:02,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:34:02,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:34:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:34:02,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:34:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:34:02,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973445148] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:34:02,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1063546908] [2022-11-20 20:34:02,372 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-20 20:34:02,372 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:34:02,373 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:34:02,373 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:34:02,373 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:34:02,469 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:34:02,470 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 [2022-11-20 20:34:02,493 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 [2022-11-20 20:34:02,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-20 20:34:02,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-20 20:34:03,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-20 20:34:03,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 32 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 157 [2022-11-20 20:34:03,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 181 [2022-11-20 20:34:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:03,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:03,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:04,055 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-20 20:34:04,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 74 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 765 treesize of output 695 [2022-11-20 20:34:05,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:05,721 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-20 20:34:05,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 88 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 69 case distinctions, treesize of input 783 treesize of output 707 [2022-11-20 20:34:07,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:07,121 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-20 20:34:07,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 101 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 84 case distinctions, treesize of input 861 treesize of output 743 [2022-11-20 20:34:08,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:34:08,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 217 [2022-11-20 20:34:08,826 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:34:08,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 253 [2022-11-20 20:34:09,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:34:09,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:34:09,596 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 151 treesize of output 105 [2022-11-20 20:34:09,912 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-20 20:34:09,914 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:34:13,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1063546908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:34:13,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:34:13,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-20 20:34:13,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818093453] [2022-11-20 20:34:13,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:34:13,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-20 20:34:13,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:34:13,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-20 20:34:13,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=971, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 20:34:13,828 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand has 25 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:34:24,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:34:24,636 INFO L93 Difference]: Finished difference Result 465 states and 579 transitions. [2022-11-20 20:34:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-20 20:34:24,637 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-20 20:34:24,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:34:24,639 INFO L225 Difference]: With dead ends: 465 [2022-11-20 20:34:24,640 INFO L226 Difference]: Without dead ends: 442 [2022-11-20 20:34:24,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 91 SyntacticMatches, 14 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=722, Invalid=3184, Unknown=0, NotChecked=0, Total=3906 [2022-11-20 20:34:24,642 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 389 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 20:34:24,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 140 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 20:34:24,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-11-20 20:34:24,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 367. [2022-11-20 20:34:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 318 states have (on average 1.2138364779874213) internal successors, (386), 335 states have internal predecessors, (386), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-20 20:34:24,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 446 transitions. [2022-11-20 20:34:24,705 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 446 transitions. Word has length 45 [2022-11-20 20:34:24,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:34:24,705 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 446 transitions. [2022-11-20 20:34:24,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:34:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 446 transitions. [2022-11-20 20:34:24,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 20:34:24,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:34:24,711 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:34:24,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 20:34:24,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:34:24,915 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:34:24,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:34:24,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1320139764, now seen corresponding path program 1 times [2022-11-20 20:34:24,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:34:24,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003464069] [2022-11-20 20:34:24,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:34:24,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:34:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:34:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:34:25,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:34:25,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003464069] [2022-11-20 20:34:25,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003464069] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:34:25,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451504228] [2022-11-20 20:34:25,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:34:25,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:34:25,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:34:25,009 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:34:25,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 20:34:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:34:25,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:34:25,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:34:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:34:25,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:34:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:34:25,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451504228] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:34:25,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1476196805] [2022-11-20 20:34:25,164 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-20 20:34:25,164 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:34:25,166 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:34:25,166 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:34:25,166 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:34:25,242 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:34:25,242 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 [2022-11-20 20:34:25,257 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 [2022-11-20 20:34:25,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-20 20:34:25,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-20 20:34:25,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 151 [2022-11-20 20:34:26,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:34:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:34:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:26,934 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-20 20:34:26,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 662 treesize of output 632 [2022-11-20 20:34:28,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:34:28,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-20 20:34:28,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:34:28,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-20 20:34:28,446 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:34:28,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 61 [2022-11-20 20:34:28,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:34:28,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-20 20:34:28,645 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:34:28,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 61 [2022-11-20 20:34:28,827 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-20 20:34:28,829 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:34:32,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1476196805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:34:32,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:34:32,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-20 20:34:32,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515464351] [2022-11-20 20:34:32,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:34:32,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-20 20:34:32,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:34:32,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-20 20:34:32,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 20:34:32,039 INFO L87 Difference]: Start difference. First operand 367 states and 446 transitions. Second operand has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:34:42,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:34:42,617 INFO L93 Difference]: Finished difference Result 619 states and 768 transitions. [2022-11-20 20:34:42,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-20 20:34:42,619 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-20 20:34:42,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:34:42,622 INFO L225 Difference]: With dead ends: 619 [2022-11-20 20:34:42,622 INFO L226 Difference]: Without dead ends: 596 [2022-11-20 20:34:42,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 96 SyntacticMatches, 9 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-11-20 20:34:42,624 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 432 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:34:42,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 99 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 20:34:42,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-11-20 20:34:42,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 379. [2022-11-20 20:34:42,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 330 states have (on average 1.206060606060606) internal successors, (398), 347 states have internal predecessors, (398), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-20 20:34:42,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 458 transitions. [2022-11-20 20:34:42,675 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 458 transitions. Word has length 45 [2022-11-20 20:34:42,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:34:42,675 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 458 transitions. [2022-11-20 20:34:42,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:34:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 458 transitions. [2022-11-20 20:34:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 20:34:42,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:34:42,677 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:34:42,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 20:34:42,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:34:42,883 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:34:42,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:34:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash -10114892, now seen corresponding path program 1 times [2022-11-20 20:34:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:34:42,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109646135] [2022-11-20 20:34:42,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:34:42,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:34:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:34:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:34:42,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:34:42,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109646135] [2022-11-20 20:34:42,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109646135] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:34:42,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551083744] [2022-11-20 20:34:42,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:34:42,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:34:42,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:34:42,974 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:34:42,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 20:34:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:34:43,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:34:43,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:34:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:34:43,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:34:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:34:43,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551083744] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:34:43,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [455027796] [2022-11-20 20:34:43,128 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-20 20:34:43,128 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:34:43,128 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:34:43,129 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:34:43,129 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:34:43,205 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:34:43,206 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 [2022-11-20 20:34:43,217 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 [2022-11-20 20:34:43,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-20 20:34:43,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2022-11-20 20:34:43,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 133 [2022-11-20 20:34:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:43,915 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-20 20:34:43,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 52 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 666 treesize of output 644 [2022-11-20 20:34:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:45,095 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-11-20 20:34:45,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 62 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 681 treesize of output 653 [2022-11-20 20:34:46,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:34:46,145 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-20 20:34:46,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 75 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 705 treesize of output 671 [2022-11-20 20:34:47,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:34:47,563 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 97 treesize of output 87 [2022-11-20 20:34:47,739 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:34:47,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 105 [2022-11-20 20:34:48,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:34:48,189 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 97 treesize of output 87 [2022-11-20 20:34:48,396 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:34:48,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 105 [2022-11-20 20:34:48,758 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-20 20:34:48,760 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:34:52,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [455027796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:34:52,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:34:52,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-20 20:34:52,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630394313] [2022-11-20 20:34:52,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:34:52,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-20 20:34:52,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:34:52,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-20 20:34:52,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 20:34:52,426 INFO L87 Difference]: Start difference. First operand 379 states and 458 transitions. Second operand has 25 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:35:00,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:35:00,810 INFO L93 Difference]: Finished difference Result 626 states and 781 transitions. [2022-11-20 20:35:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 20:35:00,810 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-20 20:35:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:35:00,813 INFO L225 Difference]: With dead ends: 626 [2022-11-20 20:35:00,813 INFO L226 Difference]: Without dead ends: 603 [2022-11-20 20:35:00,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 91 SyntacticMatches, 14 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1228 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=607, Invalid=2699, Unknown=0, NotChecked=0, Total=3306 [2022-11-20 20:35:00,815 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 372 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:35:00,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 213 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 20:35:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2022-11-20 20:35:00,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 459. [2022-11-20 20:35:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 402 states have (on average 1.1940298507462686) internal successors, (480), 419 states have internal predecessors, (480), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-20 20:35:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 556 transitions. [2022-11-20 20:35:00,874 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 556 transitions. Word has length 45 [2022-11-20 20:35:00,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:35:00,874 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 556 transitions. [2022-11-20 20:35:00,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:35:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 556 transitions. [2022-11-20 20:35:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 20:35:00,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:35:00,876 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:35:00,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 20:35:01,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 20:35:01,082 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:35:01,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:35:01,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1010004994, now seen corresponding path program 1 times [2022-11-20 20:35:01,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:35:01,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756667496] [2022-11-20 20:35:01,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:35:01,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:35:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:35:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:35:01,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:35:01,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756667496] [2022-11-20 20:35:01,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756667496] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:35:01,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75305246] [2022-11-20 20:35:01,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:35:01,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:35:01,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:35:01,170 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:35:01,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 20:35:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:35:01,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:35:01,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:35:01,268 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:35:01,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:35:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:35:01,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75305246] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:35:01,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [105600820] [2022-11-20 20:35:01,315 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-20 20:35:01,315 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:35:01,316 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:35:01,316 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:35:01,316 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:35:01,379 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-20 20:35:01,380 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 [2022-11-20 20:35:01,429 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:35:01,429 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 [2022-11-20 20:35:01,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-20 20:35:01,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2022-11-20 20:35:01,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-20 20:35:02,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:35:02,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:35:02,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:02,209 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-20 20:35:02,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 38 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 661 treesize of output 639 [2022-11-20 20:35:03,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:03,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 105 [2022-11-20 20:35:03,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:03,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-20 20:35:03,758 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:03,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:03,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:03,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-20 20:35:03,977 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:03,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:04,341 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-20 20:35:04,343 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:35:07,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [105600820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:35:07,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:35:07,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [5, 5, 5] total 36 [2022-11-20 20:35:07,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794096630] [2022-11-20 20:35:07,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:35:07,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-20 20:35:07,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:35:07,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-20 20:35:07,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1105, Unknown=0, NotChecked=0, Total=1332 [2022-11-20 20:35:07,992 INFO L87 Difference]: Start difference. First operand 459 states and 556 transitions. Second operand has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:35:19,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:35:19,859 INFO L93 Difference]: Finished difference Result 697 states and 851 transitions. [2022-11-20 20:35:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-20 20:35:19,859 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-20 20:35:19,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:35:19,861 INFO L225 Difference]: With dead ends: 697 [2022-11-20 20:35:19,861 INFO L226 Difference]: Without dead ends: 674 [2022-11-20 20:35:19,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 95 SyntacticMatches, 8 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1411 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=737, Invalid=3553, Unknown=0, NotChecked=0, Total=4290 [2022-11-20 20:35:19,864 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 301 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:35:19,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 120 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 20:35:19,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-11-20 20:35:19,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 421. [2022-11-20 20:35:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 368 states have (on average 1.1657608695652173) internal successors, (429), 385 states have internal predecessors, (429), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-20 20:35:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 497 transitions. [2022-11-20 20:35:19,932 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 497 transitions. Word has length 45 [2022-11-20 20:35:19,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:35:19,932 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 497 transitions. [2022-11-20 20:35:19,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:35:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 497 transitions. [2022-11-20 20:35:19,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 20:35:19,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:35:19,934 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:35:19,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 20:35:20,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 20:35:20,140 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:35:20,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:35:20,140 INFO L85 PathProgramCache]: Analyzing trace with hash -801635193, now seen corresponding path program 1 times [2022-11-20 20:35:20,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:35:20,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588699742] [2022-11-20 20:35:20,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:35:20,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:35:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:35:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-20 20:35:20,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:35:20,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588699742] [2022-11-20 20:35:20,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588699742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:35:20,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:35:20,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:35:20,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250131060] [2022-11-20 20:35:20,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:35:20,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:35:20,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:35:20,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:35:20,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:35:20,210 INFO L87 Difference]: Start difference. First operand 421 states and 497 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 20:35:20,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:35:20,335 INFO L93 Difference]: Finished difference Result 421 states and 497 transitions. [2022-11-20 20:35:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:35:20,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-11-20 20:35:20,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:35:20,337 INFO L225 Difference]: With dead ends: 421 [2022-11-20 20:35:20,337 INFO L226 Difference]: Without dead ends: 408 [2022-11-20 20:35:20,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:35:20,338 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 32 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:35:20,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 52 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:35:20,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-11-20 20:35:20,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 376. [2022-11-20 20:35:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 338 states have (on average 1.1272189349112427) internal successors, (381), 342 states have internal predecessors, (381), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-20 20:35:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 445 transitions. [2022-11-20 20:35:20,401 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 445 transitions. Word has length 69 [2022-11-20 20:35:20,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:35:20,402 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 445 transitions. [2022-11-20 20:35:20,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 20:35:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 445 transitions. [2022-11-20 20:35:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 20:35:20,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:35:20,403 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:35:20,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 20:35:20,404 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:35:20,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:35:20,404 INFO L85 PathProgramCache]: Analyzing trace with hash 356811433, now seen corresponding path program 1 times [2022-11-20 20:35:20,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:35:20,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293313531] [2022-11-20 20:35:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:35:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:35:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:35:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-20 20:35:20,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:35:20,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293313531] [2022-11-20 20:35:20,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293313531] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:35:20,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785021177] [2022-11-20 20:35:20,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:35:20,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:35:20,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:35:20,532 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:35:20,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 20:35:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:35:20,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:35:20,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:35:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-20 20:35:20,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:35:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-20 20:35:20,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785021177] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:35:20,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [814233719] [2022-11-20 20:35:20,711 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-20 20:35:20,712 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:35:20,712 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:35:20,712 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:35:20,712 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:35:20,803 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:35:20,803 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 [2022-11-20 20:35:20,816 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 [2022-11-20 20:35:20,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-20 20:35:21,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-20 20:35:21,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-11-20 20:35:22,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:35:22,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:35:22,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:22,338 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-20 20:35:22,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 641 treesize of output 623 [2022-11-20 20:35:23,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:23,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-20 20:35:23,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:23,951 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 56 treesize of output 37 [2022-11-20 20:35:24,002 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:24,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:24,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:24,092 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 56 treesize of output 37 [2022-11-20 20:35:24,148 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:24,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:24,225 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:24,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 80 treesize of output 67 [2022-11-20 20:35:24,298 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:24,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 91 [2022-11-20 20:35:24,386 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:24,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 106 [2022-11-20 20:35:24,777 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:24,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 419 treesize of output 334 [2022-11-20 20:35:25,193 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:25,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 497 treesize of output 370 [2022-11-20 20:35:25,580 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:25,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 521 treesize of output 388 [2022-11-20 20:35:25,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:25,753 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 56 treesize of output 37 [2022-11-20 20:35:25,806 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:25,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:25,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:25,913 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 56 treesize of output 37 [2022-11-20 20:35:25,975 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:25,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:26,080 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:26,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 80 treesize of output 67 [2022-11-20 20:35:26,154 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:26,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 91 [2022-11-20 20:35:26,228 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:26,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 106 [2022-11-20 20:35:26,646 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:26,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 419 treesize of output 334 [2022-11-20 20:35:27,039 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:27,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 497 treesize of output 370 [2022-11-20 20:35:27,429 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:27,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 521 treesize of output 388 [2022-11-20 20:35:27,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:27,610 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 56 treesize of output 37 [2022-11-20 20:35:27,661 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:27,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:27,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:27,889 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 56 treesize of output 37 [2022-11-20 20:35:27,959 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:27,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:28,154 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-20 20:35:28,156 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:35:31,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [814233719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:35:31,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:35:31,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-20 20:35:31,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943533404] [2022-11-20 20:35:31,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:35:31,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-20 20:35:31,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:35:31,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-20 20:35:31,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=967, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 20:35:31,151 INFO L87 Difference]: Start difference. First operand 376 states and 445 transitions. Second operand has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:35:40,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:35:40,498 INFO L93 Difference]: Finished difference Result 821 states and 969 transitions. [2022-11-20 20:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-20 20:35:40,499 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 78 [2022-11-20 20:35:40,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:35:40,503 INFO L225 Difference]: With dead ends: 821 [2022-11-20 20:35:40,503 INFO L226 Difference]: Without dead ends: 810 [2022-11-20 20:35:40,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 190 SyntacticMatches, 14 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2022-11-20 20:35:40,505 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 413 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:35:40,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 81 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 20:35:40,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-11-20 20:35:40,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 564. [2022-11-20 20:35:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 507 states have (on average 1.1282051282051282) internal successors, (572), 511 states have internal predecessors, (572), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-20 20:35:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 674 transitions. [2022-11-20 20:35:40,590 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 674 transitions. Word has length 78 [2022-11-20 20:35:40,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:35:40,591 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 674 transitions. [2022-11-20 20:35:40,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:35:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 674 transitions. [2022-11-20 20:35:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 20:35:40,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:35:40,593 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:35:40,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 20:35:40,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 20:35:40,794 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-20 20:35:40,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:35:40,795 INFO L85 PathProgramCache]: Analyzing trace with hash -643078669, now seen corresponding path program 1 times [2022-11-20 20:35:40,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:35:40,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091293715] [2022-11-20 20:35:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:35:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:35:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:35:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 20:35:40,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:35:40,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091293715] [2022-11-20 20:35:40,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091293715] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:35:40,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583299302] [2022-11-20 20:35:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:35:40,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:35:40,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:35:40,911 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:35:40,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 20:35:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:35:41,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:35:41,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:35:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 20:35:41,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:35:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 20:35:41,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583299302] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:35:41,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1386853413] [2022-11-20 20:35:41,075 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-20 20:35:41,075 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:35:41,076 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:35:41,076 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:35:41,076 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:35:41,212 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:35:41,212 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 [2022-11-20 20:35:41,232 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 [2022-11-20 20:35:41,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-11-20 20:35:41,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-20 20:35:41,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-11-20 20:35:41,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:42,530 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-11-20 20:35:42,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 416 treesize of output 430 [2022-11-20 20:35:43,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,242 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 20:35:43,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 43 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 508 treesize of output 480 [2022-11-20 20:35:43,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:35:43,472 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 20:35:43,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 44 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 508 treesize of output 480 [2022-11-20 20:35:43,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:43,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:43,697 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 56 treesize of output 37 [2022-11-20 20:35:43,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-20 20:35:43,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:43,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:43,998 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 56 treesize of output 37 [2022-11-20 20:35:44,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-20 20:35:44,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:44,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-20 20:35:44,399 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:44,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:44,444 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:44,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:44,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:44,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 226 [2022-11-20 20:35:45,246 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:45,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-20 20:35:45,306 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:45,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-20 20:35:45,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:45,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 226 [2022-11-20 20:35:45,901 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:45,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-20 20:35:45,970 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:45,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-20 20:35:46,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:46,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-20 20:35:46,206 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:46,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:46,240 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:46,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-11-20 20:35:46,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:46,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 226 [2022-11-20 20:35:46,995 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:46,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-20 20:35:47,056 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:35:47,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332 treesize of output 262 [2022-11-20 20:35:47,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:47,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:47,253 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 56 treesize of output 37 [2022-11-20 20:35:47,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 37 [2022-11-20 20:35:47,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 20:35:47,702 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-20 20:35:47,703 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:35:50,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1386853413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:35:50,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:35:50,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [5, 5, 5] total 35 [2022-11-20 20:35:50,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744956671] [2022-11-20 20:35:50,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:35:50,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-20 20:35:50,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:35:50,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-20 20:35:50,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1026, Unknown=0, NotChecked=0, Total=1260 [2022-11-20 20:35:50,798 INFO L87 Difference]: Start difference. First operand 564 states and 674 transitions. Second operand has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:36:00,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:36:00,739 INFO L93 Difference]: Finished difference Result 623 states and 753 transitions. [2022-11-20 20:36:00,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-20 20:36:00,739 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 78 [2022-11-20 20:36:00,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:36:00,740 INFO L225 Difference]: With dead ends: 623 [2022-11-20 20:36:00,740 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:36:00,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 182 SyntacticMatches, 21 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=796, Invalid=3364, Unknown=0, NotChecked=0, Total=4160 [2022-11-20 20:36:00,743 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 244 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:36:00,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 13 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 20:36:00,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:36:00,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:36:00,744 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) [2022-11-20 20:36:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:36:00,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-11-20 20:36:00,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:36:00,745 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:36:00,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:36:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:36:00,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:36:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-20 20:36:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-20 20:36:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-20 20:36:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-20 20:36:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-20 20:36:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-20 20:36:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-20 20:36:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-20 20:36:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-20 20:36:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-20 20:36:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-20 20:36:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-20 20:36:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-20 20:36:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-20 20:36:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-20 20:36:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-20 20:36:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-20 20:36:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-20 20:36:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-20 20:36:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-20 20:36:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-20 20:36:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-20 20:36:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-20 20:36:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-20 20:36:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-20 20:36:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-20 20:36:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-20 20:36:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-20 20:36:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-20 20:36:00,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-20 20:36:00,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 20:36:00,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 20:36:00,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 20:36:14,617 WARN L233 SmtUtils]: Spent 12.77s on a formula simplification. DAG size of input: 292 DAG size of output: 289 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 20:36:24,504 INFO L902 garLoopResultBuilder]: At program point ReadFromPortENTRY(lines 12 16) the Hoare annotation is: true [2022-11-20 20:36:24,505 INFO L899 garLoopResultBuilder]: For program point ReadFromPortEXIT(lines 12 16) no Hoare annotation was computed. [2022-11-20 20:36:24,505 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-20 20:36:24,505 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-20 20:36:24,505 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-20 20:36:24,505 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-20 20:36:24,506 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-20 20:36:24,506 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 67) no Hoare annotation was computed. [2022-11-20 20:36:24,506 INFO L899 garLoopResultBuilder]: For program point L69-3(line 69) no Hoare annotation was computed. [2022-11-20 20:36:24,506 INFO L899 garLoopResultBuilder]: For program point L69-4(line 69) no Hoare annotation was computed. [2022-11-20 20:36:24,506 INFO L899 garLoopResultBuilder]: For program point L36-4(lines 36 67) no Hoare annotation was computed. [2022-11-20 20:36:24,512 INFO L895 garLoopResultBuilder]: At program point L69-5(lines 69 72) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse35 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse35 2))) (.cse5 (= (select .cse35 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse35 3))) (.cse10 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse13 (= (select .cse35 4) 46)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse15 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse17 (= (select |#valid| 1) 1)) (.cse18 (= (select .cse35 6) 0)) (.cse19 (= 112 (select .cse35 0))) (.cse20 (<= ~SIZE~0 99999)) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse34 0) 48)) (.cse25 (= 110 (select .cse35 1))) (.cse26 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse27 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse28 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse29 (= (select .cse34 1) 0)) (.cse30 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse31 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse32 (< 0 |#StackHeapBarrier|)) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2022-11-20 20:36:24,513 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-20 20:36:24,513 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2022-11-20 20:36:24,513 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2022-11-20 20:36:24,513 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 20:36:24,513 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-20 20:36:24,514 INFO L895 garLoopResultBuilder]: At program point L36-7(lines 36 67) the Hoare annotation is: (let ((.cse31 (select |#memory_int| 1)) (.cse32 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse32 2))) (.cse5 (= (select .cse32 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse32 3))) (.cse10 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse13 (= (select .cse32 4) 46)) (.cse14 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse15 (= (select |#valid| 1) 1)) (.cse16 (= (select .cse32 6) 0)) (.cse17 (= 112 (select .cse32 0))) (.cse18 (<= ~SIZE~0 99999)) (.cse19 (= (select |#valid| 0) 0)) (.cse20 (= (select |#valid| 2) 1)) (.cse21 (= |#NULL.offset| 0)) (.cse22 (= (select .cse31 0) 48)) (.cse23 (= 110 (select .cse32 1))) (.cse24 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse25 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse26 (= (select .cse31 1) 0)) (.cse28 (< 0 |#StackHeapBarrier|)) (.cse29 (= |#NULL.base| 0))) (or (let ((.cse27 (= (let ((.cse30 (mod ~SIZE~0 3))) (ite (and (< ~SIZE~0 0) (not (= .cse30 0))) (+ .cse30 (- 3)) .cse30)) 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= |ULTIMATE.start_main_~i~0#1| 1) .cse11 .cse12 .cse13 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| (ite .cse27 1 0)) .cse27 .cse28 .cse29)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse12 .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse15 (<= |ULTIMATE.start_main_~i~0#1| 715827883) .cse16 .cse17 .cse18 .cse19 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse26 (= ~SIZE~0 (* (div ~SIZE~0 3) 3)) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse28 .cse29)))) [2022-11-20 20:36:24,514 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-11-20 20:36:24,514 INFO L899 garLoopResultBuilder]: For program point L36-8(lines 36 67) no Hoare annotation was computed. [2022-11-20 20:36:24,515 INFO L899 garLoopResultBuilder]: For program point L61-2(line 61) no Hoare annotation was computed. [2022-11-20 20:36:24,515 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-11-20 20:36:24,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-20 20:36:24,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-20 20:36:24,515 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-20 20:36:24,515 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-20 20:36:24,515 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-20 20:36:24,516 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-20 20:36:24,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-20 20:36:24,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-20 20:36:24,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-20 20:36:24,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-20 20:36:24,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-20 20:36:24,517 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse30 (select |#memory_int| 1)) (.cse31 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse31 2))) (.cse5 (= (select .cse31 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (= 51 (select .cse31 3))) (.cse9 (= 2 (select |#length| 1))) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse12 (= (select .cse31 4) 46)) (.cse13 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse14 (= (select |#valid| 1) 1)) (.cse15 (= (select .cse31 6) 0)) (.cse16 (= 112 (select .cse31 0))) (.cse17 (<= ~SIZE~0 99999)) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (= (select |#valid| 2) 1)) (.cse20 (= |#NULL.offset| 0)) (.cse21 (= (select .cse30 0) 48)) (.cse22 (= 110 (select .cse31 1))) (.cse23 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse24 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse25 (= (select .cse30 1) 0)) (.cse27 (< 0 |#StackHeapBarrier|)) (.cse28 (= |#NULL.base| 0))) (or (let ((.cse26 (= (let ((.cse29 (mod ~SIZE~0 3))) (ite (and (< ~SIZE~0 0) (not (= .cse29 0))) (+ .cse29 (- 3)) .cse29)) 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 2 ~SIZE~0) .cse8 .cse9 (= |ULTIMATE.start_main_~i~0#1| 1) .cse10 .cse11 .cse12 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| (ite .cse26 1 0)) .cse26 .cse27 .cse28)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse11 .cse12 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 1 ~SIZE~0) .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse14 .cse15 .cse16 .cse17 .cse18 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= |ULTIMATE.start_main_~i~0#1| 715827882) .cse25 (= ~SIZE~0 (* (div ~SIZE~0 3) 3)) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse27 .cse28)))) [2022-11-20 20:36:24,517 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-20 20:36:24,517 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-20 20:36:24,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-20 20:36:24,517 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-20 20:36:24,517 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2022-11-20 20:36:24,518 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2022-11-20 20:36:24,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-20 20:36:24,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-20 20:36:24,518 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 46) no Hoare annotation was computed. [2022-11-20 20:36:24,518 INFO L895 garLoopResultBuilder]: At program point L39-2(lines 39 46) the Hoare annotation is: (let ((.cse38 (select |#memory_int| 1)) (.cse39 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse39 2))) (.cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (= (select .cse39 5) 99)) (.cse7 (= ~MAX~0 100000)) (.cse8 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse10 (<= 2 ~SIZE~0)) (.cse11 (= 51 (select .cse39 3))) (.cse12 (= 2 (select |#length| 1))) (.cse13 (= (select |#valid| 3) 1)) (.cse14 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse15 (= (select .cse39 4) 46)) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse19 (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (- 12) (* |ULTIMATE.start_main_~i~0#1| 12)))) (.cse17 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse18 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (= (select .cse39 6) 0)) (.cse22 (= 112 (select .cse39 0))) (.cse23 (<= ~SIZE~0 99999)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (= (select |#valid| 2) 1)) (.cse26 (= |#NULL.offset| 0)) (.cse27 (= (select .cse38 0) 48)) (.cse28 (= 110 (select .cse39 1))) (.cse29 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse30 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (.cse31 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse32 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse9 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse33 (= (select .cse38 1) 0)) (.cse34 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse35 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse36 (< 0 |#StackHeapBarrier|)) (.cse37 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= .cse19 2147483647) .cse20 .cse21 .cse22 .cse23 .cse24 (not (= .cse19 |ULTIMATE.start_main_~DEFAULTVAL~0#1|)) .cse25 .cse26 .cse27 (<= 0 (+ .cse19 2147483648)) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 .cse13 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse14 .cse15 .cse16 (= .cse19 |ULTIMATE.start_main_~value~0#1|) .cse17 .cse18 .cse20 .cse21 .cse22 .cse23 .cse24 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (not .cse9) .cse33 .cse34 .cse35 .cse36 .cse37)))) [2022-11-20 20:36:24,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-20 20:36:24,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-20 20:36:24,519 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-11-20 20:36:24,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-20 20:36:24,519 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-20 20:36:24,519 INFO L899 garLoopResultBuilder]: For program point L65-1(line 65) no Hoare annotation was computed. [2022-11-20 20:36:24,519 INFO L899 garLoopResultBuilder]: For program point L65-2(line 65) no Hoare annotation was computed. [2022-11-20 20:36:24,519 INFO L899 garLoopResultBuilder]: For program point L65-3(line 65) no Hoare annotation was computed. [2022-11-20 20:36:24,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-20 20:36:24,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-20 20:36:24,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-20 20:36:24,520 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 56) no Hoare annotation was computed. [2022-11-20 20:36:24,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-20 20:36:24,521 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 56) the Hoare annotation is: (let ((.cse45 (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) (.cse46 (* |ULTIMATE.start_main_~i~0#1| 12))) (let ((.cse42 (select |#memory_int| 1)) (.cse44 (select .cse45 (+ |ULTIMATE.start_main_~a~0#1.offset| (- 12) .cse46))) (.cse43 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse43 2))) (.cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (= (select .cse43 5) 99)) (.cse7 (= ~MAX~0 100000)) (.cse8 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse10 (= 51 (select .cse43 3))) (.cse11 (= 2 (select |#length| 1))) (.cse12 (= (select |#valid| 3) 1)) (.cse13 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse14 (= (select .cse43 4) 46)) (.cse15 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse16 (< 1 ~SIZE~0)) (.cse17 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse18 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse25 (select .cse45 (+ |ULTIMATE.start_main_~a~0#1.offset| .cse46 (- 8)))) (.cse19 (<= .cse44 2147483647)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (= (select .cse43 6) 0)) (.cse22 (= 112 (select .cse43 0))) (.cse23 (<= ~SIZE~0 99999)) (.cse24 (= (select |#valid| 0) 0)) (.cse26 (not (= .cse44 |ULTIMATE.start_main_~DEFAULTVAL~0#1|))) (.cse27 (= (select |#valid| 2) 1)) (.cse28 (= |#NULL.offset| 0)) (.cse29 (= (select .cse42 0) 48)) (.cse30 (<= 0 (+ .cse44 2147483648))) (.cse31 (= 110 (select .cse43 1))) (.cse32 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse33 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse34 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse35 (<= |ULTIMATE.start_main_~i~0#1| 715827882)) (.cse9 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse36 (= (select .cse42 1) 0)) (.cse37 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse38 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse39 (< 0 |#StackHeapBarrier|)) (.cse40 (= |#NULL.base| 0)) (.cse41 (<= 0 (+ 715827881 |ULTIMATE.start_main_~i~0#1|)))) (or (and .cse0 .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 |ULTIMATE.start_main_~FIXEDVAL~0#1|) .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (= .cse25 |ULTIMATE.start_main_~value~0#1|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 (not .cse9) .cse36 .cse37 .cse38 .cse39 .cse40 .cse41))))) [2022-11-20 20:36:24,521 INFO L895 garLoopResultBuilder]: At program point L74(lines 22 75) the Hoare annotation is: (or (not (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (<= ~MAX~0 100000)) [2022-11-20 20:36:24,521 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-20 20:36:24,521 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-20 20:36:24,521 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-20 20:36:24,521 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-20 20:36:24,521 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-20 20:36:24,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 20:36:24,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-20 20:36:24,522 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-20 20:36:24,522 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 73) no Hoare annotation was computed. [2022-11-20 20:36:24,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-20 20:36:24,522 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 73) no Hoare annotation was computed. [2022-11-20 20:36:24,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-20 20:36:24,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-20 20:36:24,523 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-20 20:36:24,523 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-20 20:36:24,523 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed. [2022-11-20 20:36:24,523 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-20 20:36:24,523 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-20 20:36:24,523 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-11-20 20:36:24,524 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-11-20 20:36:24,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-20 20:36:24,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-20 20:36:24,528 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:36:24,530 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:36:24,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:36:24 BoogieIcfgContainer [2022-11-20 20:36:24,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:36:24,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:36:24,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:36:24,571 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:36:24,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:33:26" (3/4) ... [2022-11-20 20:36:24,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:36:24,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ReadFromPort [2022-11-20 20:36:24,585 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-20 20:36:24,585 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 20:36:24,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 20:36:24,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:36:24,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:36:24,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && \old(cond) == cond) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \old(cond) == (if (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0 then 1 else 0)) && (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && value <= 2147483647) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && i <= 715827883) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && 0 <= 2147483648 + value) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-20 20:36:24,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && i == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-20 20:36:24,629 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:36:24,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:36:24,638 INFO L158 Benchmark]: Toolchain (without parser) took 179326.13ms. Allocated memory was 155.2MB in the beginning and 645.9MB in the end (delta: 490.7MB). Free memory was 117.5MB in the beginning and 583.1MB in the end (delta: -465.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-11-20 20:36:24,639 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:36:24,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.17ms. Allocated memory is still 155.2MB. Free memory was 117.0MB in the beginning and 106.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 20:36:24,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.92ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:36:24,642 INFO L158 Benchmark]: Boogie Preprocessor took 32.78ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 103.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:36:24,642 INFO L158 Benchmark]: RCFGBuilder took 541.32ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 84.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 20:36:24,642 INFO L158 Benchmark]: TraceAbstraction took 178308.80ms. Allocated memory was 155.2MB in the beginning and 645.9MB in the end (delta: 490.7MB). Free memory was 84.0MB in the beginning and 587.3MB in the end (delta: -503.3MB). Peak memory consumption was 358.3MB. Max. memory is 16.1GB. [2022-11-20 20:36:24,643 INFO L158 Benchmark]: Witness Printer took 62.15ms. Allocated memory is still 645.9MB. Free memory was 587.3MB in the beginning and 583.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:36:24,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.17ms. Allocated memory is still 155.2MB. Free memory was 117.0MB in the beginning and 106.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.92ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.78ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 103.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.32ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 84.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 178308.80ms. Allocated memory was 155.2MB in the beginning and 645.9MB in the end (delta: 490.7MB). Free memory was 84.0MB in the beginning and 587.3MB in the end (delta: -503.3MB). Peak memory consumption was 358.3MB. Max. memory is 16.1GB. * Witness Printer took 62.15ms. Allocated memory is still 645.9MB. Free memory was 587.3MB in the beginning and 583.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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 - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: 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 - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: 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 2 procedures, 81 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 178.2s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 74.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3148 SdHoareTripleChecker+Valid, 11.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3117 mSDsluCounter, 1499 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 942 mSDsCounter, 1009 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7231 IncrementalHoareTripleChecker+Invalid, 8240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1009 mSolverCounterUnsat, 557 mSDtfsCounter, 7231 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1551 GetRequests, 971 SyntacticMatches, 98 SemanticMatches, 482 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9928 ImplicationChecksByTransitivity, 89.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=564occurred in iteration=13, InterpolantAutomatonStates: 250, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1098 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 74 PreInvPairs, 156 NumberOfFragments, 2001 HoareAnnotationTreeSize, 74 FomulaSimplifications, 18187 FormulaSimplificationTreeSizeReduction, 14.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 278171 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1005 NumberOfCodeBlocks, 1005 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1411 ConstructedInterpolants, 0 QuantifiedInterpolants, 2043 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1680 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 32 InterpolantComputations, 5 PerfectInterpolantSequences, 572/641 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: 38.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 15, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 424, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 1226, TOOLS_POST_TIME: 14.1s, TOOLS_POST_CALL_APPLICATIONS: 283, TOOLS_POST_CALL_TIME: 18.2s, TOOLS_POST_RETURN_APPLICATIONS: 262, TOOLS_POST_RETURN_TIME: 2.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1771, TOOLS_QUANTIFIERELIM_TIME: 34.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1959, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 239, DOMAIN_JOIN_TIME: 2.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 31, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 51, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 424, DOMAIN_ISBOTTOM_TIME: 0.7s, LOOP_SUMMARIZER_APPLICATIONS: 20, LOOP_SUMMARIZER_CACHE_MISSES: 20, LOOP_SUMMARIZER_OVERALL_TIME: 32.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 32.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 51, CALL_SUMMARIZER_APPLICATIONS: 262, CALL_SUMMARIZER_CACHE_MISSES: 7, 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: 0.2s, DAG_COMPRESSION_PROCESSED_NODES: 16327, DAG_COMPRESSION_RETAINED_NODES: 1106, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: !(SIZE == SIZE / 3 * 3) || MAX <= 100000 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && i == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && \old(cond) == cond) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \old(cond) == (if (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0 then 1 else 0)) && (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && value <= 2147483647) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && i <= 715827883) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && 0 <= 2147483648 + value) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-20 20:36:24,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f6248b-86e4-4794-aa23-53a55d300c4b/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE