./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 13:16:22,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:16:22,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:16:22,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:16:22,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:16:22,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:16:22,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:16:22,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:16:22,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:16:22,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:16:22,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:16:22,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:16:22,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:16:22,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:16:22,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:16:22,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:16:22,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:16:22,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:16:22,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:16:22,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:16:22,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:16:22,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:16:22,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:16:22,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:16:22,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:16:22,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:16:22,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:16:22,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:16:22,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:16:22,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:16:22,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:16:22,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:16:22,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:16:22,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:16:22,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:16:22,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:16:22,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:16:22,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:16:22,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:16:22,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:16:22,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:16:22,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 13:16:22,459 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:16:22,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:16:22,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:16:22,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:16:22,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:16:22,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:16:22,461 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:16:22,461 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:16:22,462 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:16:22,462 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:16:22,462 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:16:22,462 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:16:22,462 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:16:22,462 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:16:22,463 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:16:22,463 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:16:22,463 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:16:22,463 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:16:22,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:16:22,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:16:22,464 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 13:16:22,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:16:22,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:16:22,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:16:22,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:16:22,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:16:22,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:16:22,466 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 13:16:22,466 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:16:22,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:16:22,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:16:22,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:16:22,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:16:22,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:16:22,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:16:22,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:16:22,467 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:16:22,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:16:22,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:16:22,468 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:16:22,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:16:22,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:16:22,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:16:22,469 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_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-12-14 13:16:22,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:16:22,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:16:22,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:16:22,673 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:16:22,673 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:16:22,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-12-14 13:16:25,261 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:16:25,478 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:16:25,478 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-12-14 13:16:25,492 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/data/4b279dbcf/40fa8d9ae2fa419fb832d365a89a8e8c/FLAGa3858baab [2022-12-14 13:16:25,853 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/data/4b279dbcf/40fa8d9ae2fa419fb832d365a89a8e8c [2022-12-14 13:16:25,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:16:25,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:16:25,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:16:25,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:16:25,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:16:25,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:16:25" (1/1) ... [2022-12-14 13:16:25,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b789f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:25, skipping insertion in model container [2022-12-14 13:16:25,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:16:25" (1/1) ... [2022-12-14 13:16:25,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:16:25,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:16:26,085 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_70b0b289-6065-490c-ad84-7992d03f53ac/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-12-14 13:16:26,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:16:26,159 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:16:26,180 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_70b0b289-6065-490c-ad84-7992d03f53ac/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-12-14 13:16:26,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:16:26,238 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:16:26,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26 WrapperNode [2022-12-14 13:16:26,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:16:26,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:16:26,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:16:26,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:16:26,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,283 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 399 [2022-12-14 13:16:26,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:16:26,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:16:26,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:16:26,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:16:26,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:16:26,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:16:26,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:16:26,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:16:26,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (1/1) ... [2022-12-14 13:16:26,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:16:26,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:16:26,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:16:26,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:16:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:16:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:16:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 13:16:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 13:16:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:16:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:16:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:16:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-14 13:16:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-14 13:16:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:16:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-14 13:16:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-14 13:16:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 13:16:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 13:16:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:16:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 13:16:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-14 13:16:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-14 13:16:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:16:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:16:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:16:26,522 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:16:26,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:16:29,024 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:16:29,091 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:16:29,091 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 13:16:29,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:16:29 BoogieIcfgContainer [2022-12-14 13:16:29,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:16:29,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:16:29,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:16:29,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:16:29,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:16:25" (1/3) ... [2022-12-14 13:16:29,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73956c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:16:29, skipping insertion in model container [2022-12-14 13:16:29,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:26" (2/3) ... [2022-12-14 13:16:29,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73956c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:16:29, skipping insertion in model container [2022-12-14 13:16:29,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:16:29" (3/3) ... [2022-12-14 13:16:29,101 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-12-14 13:16:29,118 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:16:29,118 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 13:16:29,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:16:29,173 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;@1ba47b52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:16:29,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 13:16:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 66 states have internal predecessors, (78), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-12-14 13:16:29,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 13:16:29,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:16:29,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 13:16:29,185 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 13:16:29,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:16:29,190 INFO L85 PathProgramCache]: Analyzing trace with hash 9508179, now seen corresponding path program 1 times [2022-12-14 13:16:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:16:29,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494098460] [2022-12-14 13:16:29,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:16:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:16:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:16:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:16:29,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:16:29,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494098460] [2022-12-14 13:16:29,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494098460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:16:29,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:16:29,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:16:29,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260355721] [2022-12-14 13:16:29,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:16:29,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:16:29,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:16:29,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:16:29,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:16:29,477 INFO L87 Difference]: Start difference. First operand has 104 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 66 states have internal predecessors, (78), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:16:31,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:16:31,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:16:31,596 INFO L93 Difference]: Finished difference Result 208 states and 289 transitions. [2022-12-14 13:16:31,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:16:31,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 13:16:31,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:16:31,602 INFO L225 Difference]: With dead ends: 208 [2022-12-14 13:16:31,602 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 13:16:31,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:16:31,607 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 4 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:16:31,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 246 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 13:16:31,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 13:16:31,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2022-12-14 13:16:31,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:16:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2022-12-14 13:16:31,628 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 4 [2022-12-14 13:16:31,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:16:31,628 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-12-14 13:16:31,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:16:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-14 13:16:31,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 13:16:31,628 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:16:31,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 13:16:31,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:16:31,629 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 13:16:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:16:31,629 INFO L85 PathProgramCache]: Analyzing trace with hash 9507520, now seen corresponding path program 1 times [2022-12-14 13:16:31,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:16:31,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358858252] [2022-12-14 13:16:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:16:31,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:16:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:16:31,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:16:31,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:16:31,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358858252] [2022-12-14 13:16:31,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358858252] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:16:31,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:16:31,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:16:31,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725719264] [2022-12-14 13:16:31,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:16:31,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:16:31,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:16:31,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:16:31,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:16:31,773 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) 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) [2022-12-14 13:16:31,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:16:31,831 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-12-14 13:16:31,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:16:31,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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 [2022-12-14 13:16:31,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:16:31,832 INFO L225 Difference]: With dead ends: 16 [2022-12-14 13:16:31,832 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 13:16:31,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:16:31,833 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:16:31,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 19 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:16:31,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 13:16:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 13:16:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:16:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 13:16:31,835 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 4 [2022-12-14 13:16:31,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:16:31,835 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 13:16:31,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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) [2022-12-14 13:16:31,835 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 13:16:31,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 13:16:31,836 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:16:31,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:16:31,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:16:31,836 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 13:16:31,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:16:31,836 INFO L85 PathProgramCache]: Analyzing trace with hash -229175748, now seen corresponding path program 1 times [2022-12-14 13:16:31,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:16:31,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884043569] [2022-12-14 13:16:31,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:16:31,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:16:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:16:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:16:31,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:16:31,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884043569] [2022-12-14 13:16:31,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884043569] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:16:31,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73128927] [2022-12-14 13:16:31,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:16:31,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:16:31,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:16:31,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:16:31,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:16:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:16:32,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 13:16:32,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:16:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:16:32,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:16:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:16:32,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73128927] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:16:32,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1321447887] [2022-12-14 13:16:32,184 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-12-14 13:16:32,184 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:16:32,187 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:16:32,191 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:16:32,191 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:16:32,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:32,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:32,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:32,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:32,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:32,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,390 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-12-14 13:16:33,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 321 [2022-12-14 13:16:33,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 99 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 98 [2022-12-14 13:16:33,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:33,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:33,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:33,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:33,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-12-14 13:16:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-12-14 13:16:34,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 112 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 330 [2022-12-14 13:16:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-12-14 13:16:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-12-14 13:16:34,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 133 [2022-12-14 13:16:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 146 [2022-12-14 13:16:34,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:34,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 133 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 366 [2022-12-14 13:16:36,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,438 INFO L217 Elim1Store]: Index analysis took 133 ms [2022-12-14 13:16:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:36,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:36,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:36,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:36,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:36,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:37,351 INFO L321 Elim1Store]: treesize reduction 1938, result has 10.5 percent of original size [2022-12-14 13:16:37,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 107 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 107 case distinctions, treesize of input 2044 treesize of output 1876 [2022-12-14 13:16:37,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:37,635 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-12-14 13:16:37,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2014 treesize of output 1967 [2022-12-14 13:16:37,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:37,819 INFO L321 Elim1Store]: treesize reduction 204, result has 17.4 percent of original size [2022-12-14 13:16:37,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 2020 treesize of output 2000 [2022-12-14 13:16:37,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:37,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:38,021 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-12-14 13:16:38,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2006 treesize of output 1959 [2022-12-14 13:16:38,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:38,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:16:38,189 INFO L321 Elim1Store]: treesize reduction 152, result has 22.1 percent of original size [2022-12-14 13:16:38,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 43 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 1999 treesize of output 1979 [2022-12-14 13:16:45,351 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-12-14 13:16:45,352 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-12-14 13:16:45,397 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:16:45,397 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:16:45,449 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:16:45,449 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:16:45,749 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:16:45,749 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:16:45,803 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:16:45,803 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:16:45,835 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-12-14 13:16:45,836 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-12-14 13:16:45,959 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:16:49,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1321447887] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:16:49,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 13:16:49,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 13 [2022-12-14 13:16:49,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056850758] [2022-12-14 13:16:49,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:16:49,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 13:16:49,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:16:49,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 13:16:49,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-12-14 13:16:49,014 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:16:56,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:16:56,761 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-12-14 13:16:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:16:56,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 13:16:56,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:16:56,762 INFO L225 Difference]: With dead ends: 27 [2022-12-14 13:16:56,763 INFO L226 Difference]: Without dead ends: 23 [2022-12-14 13:16:56,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-12-14 13:16:56,764 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:16:56,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:16:56,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-14 13:16:56,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-12-14 13:16:56,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:16:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-12-14 13:16:56,772 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 7 [2022-12-14 13:16:56,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:16:56,772 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-12-14 13:16:56,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:16:56,772 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 13:16:56,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 13:16:56,773 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:16:56,773 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-12-14 13:16:56,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:16:56,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:16:56,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 13:16:56,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:16:56,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2146976529, now seen corresponding path program 1 times [2022-12-14 13:16:56,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:16:56,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108362759] [2022-12-14 13:16:56,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:16:56,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:16:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:16:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:16:57,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:16:57,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108362759] [2022-12-14 13:16:57,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108362759] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:16:57,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135615836] [2022-12-14 13:16:57,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:16:57,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:16:57,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:16:57,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:16:57,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 13:16:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:16:57,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 13:16:57,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:16:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:16:57,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:16:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:16:57,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135615836] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:16:57,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [299665837] [2022-12-14 13:16:57,303 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 13:16:57,303 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:16:57,303 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:16:57,304 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:16:57,304 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:16:57,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:57,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:57,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:57,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:57,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:57,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,346 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-12-14 13:16:58,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 321 [2022-12-14 13:16:58,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:58,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 99 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 98 [2022-12-14 13:16:58,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 13:16:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 112 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 330 [2022-12-14 13:16:58,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-12-14 13:16:58,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-12-14 13:16:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-12-14 13:16:58,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:58,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-12-14 13:16:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 133 [2022-12-14 13:16:59,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 146 [2022-12-14 13:16:59,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:16:59,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 133 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 366 [2022-12-14 13:17:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:00,578 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-12-14 13:17:00,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2014 treesize of output 1967 [2022-12-14 13:17:00,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:00,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:00,868 INFO L321 Elim1Store]: treesize reduction 204, result has 17.4 percent of original size [2022-12-14 13:17:00,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 2020 treesize of output 2000 [2022-12-14 13:17:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:01,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:01,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:01,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:01,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:01,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:01,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:01,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:01,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:01,830 INFO L321 Elim1Store]: treesize reduction 1938, result has 10.5 percent of original size [2022-12-14 13:17:01,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 107 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 107 case distinctions, treesize of input 2036 treesize of output 1868 [2022-12-14 13:17:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:02,036 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-12-14 13:17:02,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2006 treesize of output 1959 [2022-12-14 13:17:02,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:02,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:02,190 INFO L321 Elim1Store]: treesize reduction 152, result has 22.1 percent of original size [2022-12-14 13:17:02,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 1999 treesize of output 1979 [2022-12-14 13:17:15,191 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:17:15,191 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:17:15,220 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:17:15,220 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:17:15,244 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-12-14 13:17:15,244 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-12-14 13:17:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,785 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-12-14 13:17:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:15,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:15,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:17:17,066 INFO L321 Elim1Store]: treesize reduction 2108, result has 8.5 percent of original size [2022-12-14 13:17:17,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 84 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 17 case distinctions, treesize of input 1090 treesize of output 1165 [2022-12-14 13:17:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,300 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 13:17:17,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1002 treesize of output 1010 [2022-12-14 13:17:17,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,479 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 13:17:17,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1009 treesize of output 1017 [2022-12-14 13:17:17,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,618 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 13:17:17,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1009 treesize of output 1017 [2022-12-14 13:17:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,783 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 13:17:17,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 996 treesize of output 1004 [2022-12-14 13:17:17,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,935 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 13:17:17,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-12-14 13:17:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:17:18,063 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 13:17:18,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-12-14 13:18:03,257 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-12-14 13:19:35,749 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-12-14 13:19:36,676 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-12-14 13:21:12,264 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-12-14 13:21:23,157 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:21:23,157 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:21:28,386 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-12-14 13:21:28,386 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-12-14 13:21:28,474 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:21:28,474 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:21:49,171 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:21:49,172 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:21:49,214 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:21:49,214 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:21:49,250 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-12-14 13:21:49,250 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-12-14 13:21:49,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:49,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:49,469 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-12-14 13:21:49,469 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-12-14 13:21:49,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:49,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:49,524 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-12-14 13:21:49,524 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 2 case distinctions, treesize of input 87 treesize of output 45 [2022-12-14 13:21:49,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:49,577 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-12-14 13:21:49,577 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 1 case distinctions, treesize of input 47 treesize of output 15 [2022-12-14 13:21:49,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:49,605 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-12-14 13:21:49,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2022-12-14 13:21:49,675 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:21:49,675 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:21:49,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:49,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:49,918 INFO L321 Elim1Store]: treesize reduction 267, result has 37.9 percent of original size [2022-12-14 13:21:49,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 200 [2022-12-14 13:21:50,720 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:21:50,720 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:21:52,788 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-12-14 13:21:52,788 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-12-14 13:21:52,839 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:21:52,839 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:21:52,884 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:21:52,884 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:21:53,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,068 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-12-14 13:21:53,068 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-12-14 13:21:53,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,110 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-12-14 13:21:53,110 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 2 case distinctions, treesize of input 87 treesize of output 45 [2022-12-14 13:21:53,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,173 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-12-14 13:21:53,173 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-12-14 13:21:53,247 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:21:53,247 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:21:53,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:21:53,445 INFO L321 Elim1Store]: treesize reduction 267, result has 37.9 percent of original size [2022-12-14 13:21:53,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 200 [2022-12-14 13:21:54,137 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:21:54,137 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:21:55,110 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-12-14 13:21:55,110 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-12-14 13:21:55,146 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:21:55,147 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:21:55,187 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:21:55,187 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:21:55,331 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-12-14 13:21:55,331 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-12-14 13:21:55,361 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-12-14 13:21:55,361 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-12-14 13:21:55,405 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-12-14 13:21:55,405 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 13:21:55,477 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:21:56,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [299665837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:21:56,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 13:21:56,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 13 [2022-12-14 13:21:56,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612176790] [2022-12-14 13:21:56,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:21:56,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 13:21:56,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:21:56,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 13:21:56,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-14 13:21:56,408 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:21:56,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:21:56,495 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-14 13:21:56,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:21:56,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 13:21:56,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:21:56,496 INFO L225 Difference]: With dead ends: 21 [2022-12-14 13:21:56,496 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 13:21:56,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-14 13:21:56,497 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:21:56,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:21:56,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 13:21:56,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 13:21:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:21:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 13:21:56,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-12-14 13:21:56,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:21:56,499 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 13:21:56,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:21:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 13:21:56,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 13:21:56,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-14 13:21:56,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-14 13:21:56,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-14 13:21:56,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-14 13:21:56,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-14 13:21:56,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-14 13:21:56,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-14 13:21:56,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-14 13:21:56,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 13:21:56,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:21:56,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 13:21:58,495 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5 7) the Hoare annotation is: true [2022-12-14 13:21:58,495 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-12-14 13:21:58,495 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 642 663) no Hoare annotation was computed. [2022-12-14 13:21:58,495 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 642 663) no Hoare annotation was computed. [2022-12-14 13:21:58,495 INFO L902 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: true [2022-12-14 13:21:58,495 INFO L899 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2022-12-14 13:21:58,495 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 660) no Hoare annotation was computed. [2022-12-14 13:21:58,495 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 642 663) the Hoare annotation is: true [2022-12-14 13:21:58,495 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2022-12-14 13:21:58,495 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 649) no Hoare annotation was computed. [2022-12-14 13:21:58,495 INFO L902 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 798 810) no Hoare annotation was computed. [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point L797(lines 797 810) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point L802(line 802) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point L802-1(line 802) no Hoare annotation was computed. [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 798 810) no Hoare annotation was computed. [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point L807(line 807) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point L807-1(lines 798 810) no Hoare annotation was computed. [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point L805(line 805) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 798 810) no Hoare annotation was computed. [2022-12-14 13:21:58,496 INFO L902 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: true [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point L803-1(lines 798 810) no Hoare annotation was computed. [2022-12-14 13:21:58,496 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 664 677) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 664 677) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point L887-1(line 887) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point L879-1(line 879) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-12-14 13:21:58,497 INFO L902 garLoopResultBuilder]: At program point L855(line 855) the Hoare annotation is: true [2022-12-14 13:21:58,497 INFO L899 garLoopResultBuilder]: For program point L855-1(line 855) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L902 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L902 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: true [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 869) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 869) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point L823-3(line 823) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point L823-4(line 823) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L895 garLoopResultBuilder]: At program point L823-5(lines 823 826) the Hoare annotation is: (and (<= 2 ~__THREAD_FINISHED~0) (<= |~#__CS_thread_lockedon~0.offset| 0) (<= |~#flag2~0.base| 8) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (<= 8 |~#flag2~0.base|) (<= 0 |~#flag1~0.offset|) (<= 0 |#NULL.base|) (<= 0 |~#__CS_thread_lockedon~0.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|) (<= 4 ~__CS_ret_FINISHED~0) (<= |ULTIMATE.start_main_~i~0#1| 3) (<= 0 |~#flag2~0.offset|) (<= 0 ~__CS_round~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (<= 0 |~#x~0.offset|) (<= 1 ~__THREAD_RUNNING~0) (<= ~__CS_ret_FINISHED~0 4) (<= 4 |~#__CS_thread_born_round~0.base|) (<= |~#__CS_thread_born_round~0.offset| 0) (<= 7 |~#flag1~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|) (<= |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 0) (<= |~#__CS_thread_status~0.offset| 0) (<= |#NULL.offset| 0) (<= |~#__CS_thread_born_round~0.base| 4) (<= ~__CS_ret~0 0) (<= 0 ~__CS_thread_index~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (<= ~__CS_round~0 0) (<= |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |~#x~0.base| 9) (<= ~__THREAD_FINISHED~0 2) (<= 0 ~__THREAD_UNUSED~0) (<= 0 |~#__CS_thread_status~0.offset|) (<= |~#flag1~0.base| 7) (<= 5 |~#__CS_thread_status~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|) (<= 2 ~__CS_ret_ERROR~0) (<= 0 |~#__CS_thread_born_round~0.offset|) (<= |~#flag2~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |~#__CS_thread_allocated~0.offset|) (<= |~#__CS_thread_lockedon~0.base| 6) (<= |~#__CS_thread_allocated~0.offset| 0) (<= |~#flag1~0.offset| 0) (<= 3 |~#__CS_thread_allocated~0.base|) (<= ~__THREAD_UNUSED~0 0) (<= |~#__CS_thread_status~0.base| 5) (<= 0 ~__CS_ret~0) (<= |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset| 0) (<= 9 |~#x~0.base|) (<= ~__THREAD_RUNNING~0 1) (<= 0 |ULTIMATE.start_main_~j~2#1|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset|) (<= ~__CS_ret_ERROR~0 2) (<= |~#x~0.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0) (<= 0 |#NULL.offset|) (<= |~#__CS_thread_allocated~0.base| 3) (<= 0 ~__CS_error~0) (<= ~__CS_ret_PREEMPTED~0 1) (<= ~__CS_error~0 0) (<= 0 |#StackHeapBarrier|) (<= 1 ~__CS_ret_PREEMPTED~0) (<= ~__CS_thread_index~0 0) (<= 6 |~#__CS_thread_lockedon~0.base|)) [2022-12-14 13:21:58,498 INFO L902 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-12-14 13:21:58,498 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2022-12-14 13:21:58,498 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L902 garLoopResultBuilder]: At program point L874(line 874) the Hoare annotation is: true [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L874-1(line 874) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 863) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L858-1(lines 858 863) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L883-1(line 883) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L902 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: true [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L902 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: true [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L902 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: true [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L902 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 857) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L885-1(line 885) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 857) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L819-3(line 819) no Hoare annotation was computed. [2022-12-14 13:21:58,499 INFO L899 garLoopResultBuilder]: For program point L819-4(line 819) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L895 garLoopResultBuilder]: At program point L819-5(lines 819 827) the Hoare annotation is: (and (<= 2 ~__THREAD_FINISHED~0) (<= |~#__CS_thread_lockedon~0.offset| 0) (<= |~#flag2~0.base| 8) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (<= 8 |~#flag2~0.base|) (<= 0 |~#flag1~0.offset|) (<= 0 |#NULL.base|) (<= 0 |~#__CS_thread_lockedon~0.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|) (<= 4 ~__CS_ret_FINISHED~0) (<= 0 |~#flag2~0.offset|) (<= 0 ~__CS_round~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (<= 0 |~#x~0.offset|) (<= 1 ~__THREAD_RUNNING~0) (<= ~__CS_ret_FINISHED~0 4) (<= 4 |~#__CS_thread_born_round~0.base|) (<= |~#__CS_thread_born_round~0.offset| 0) (<= 7 |~#flag1~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|) (<= |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 0) (<= |~#__CS_thread_status~0.offset| 0) (<= |#NULL.offset| 0) (<= |~#__CS_thread_born_round~0.base| 4) (<= ~__CS_ret~0 0) (<= 0 ~__CS_thread_index~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (<= ~__CS_round~0 0) (<= |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |~#x~0.base| 9) (<= ~__THREAD_FINISHED~0 2) (<= 0 ~__THREAD_UNUSED~0) (<= 0 |~#__CS_thread_status~0.offset|) (<= |~#flag1~0.base| 7) (<= 5 |~#__CS_thread_status~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|) (<= 2 ~__CS_ret_ERROR~0) (<= 0 |~#__CS_thread_born_round~0.offset|) (<= |~#flag2~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |~#__CS_thread_allocated~0.offset|) (<= |~#__CS_thread_lockedon~0.base| 6) (<= |~#__CS_thread_allocated~0.offset| 0) (<= |~#flag1~0.offset| 0) (<= 3 |~#__CS_thread_allocated~0.base|) (<= ~__THREAD_UNUSED~0 0) (<= |~#__CS_thread_status~0.base| 5) (<= 0 ~__CS_ret~0) (<= |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset| 0) (<= 9 |~#x~0.base|) (<= ~__THREAD_RUNNING~0 1) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset|) (<= ~__CS_ret_ERROR~0 2) (<= |~#x~0.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0) (<= 0 |#NULL.offset|) (<= |~#__CS_thread_allocated~0.base| 3) (<= 0 ~__CS_error~0) (<= ~__CS_ret_PREEMPTED~0 1) (<= ~__CS_error~0 0) (<= 0 |#StackHeapBarrier|) (<= 1 ~__CS_ret_PREEMPTED~0) (<= ~__CS_thread_index~0 0) (<= 6 |~#__CS_thread_lockedon~0.base|)) [2022-12-14 13:21:58,500 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point __CS_csEXIT(lines 562 568) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 562 568) the Hoare annotation is: true [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point L565(line 565) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-12-14 13:21:58,500 INFO L902 garLoopResultBuilder]: At program point L565-2(line 565) the Hoare annotation is: true [2022-12-14 13:21:58,500 INFO L899 garLoopResultBuilder]: For program point L565-3(line 565) no Hoare annotation was computed. [2022-12-14 13:21:58,502 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 13:21:58,504 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:21:58,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:21:58 BoogieIcfgContainer [2022-12-14 13:21:58,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:21:58,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:21:58,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:21:58,517 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:21:58,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:16:29" (3/4) ... [2022-12-14 13:21:58,519 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 13:21:58,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-12-14 13:21:58,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 13:21:58,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-12-14 13:21:58,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 13:21:58,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-12-14 13:21:58,529 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-12-14 13:21:58,530 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-14 13:21:58,530 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 13:21:58,530 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 13:21:58,531 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 13:21:58,572 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 13:21:58,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:21:58,572 INFO L158 Benchmark]: Toolchain (without parser) took 332712.06ms. Allocated memory was 117.4MB in the beginning and 434.1MB in the end (delta: 316.7MB). Free memory was 81.2MB in the beginning and 64.5MB in the end (delta: 16.7MB). Peak memory consumption was 334.8MB. Max. memory is 16.1GB. [2022-12-14 13:21:58,573 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:21:58,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.54ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 54.6MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 13:21:58,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.57ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 50.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 13:21:58,573 INFO L158 Benchmark]: Boogie Preprocessor took 33.32ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 47.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 13:21:58,573 INFO L158 Benchmark]: RCFGBuilder took 2776.66ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 47.0MB in the beginning and 58.0MB in the end (delta: -11.0MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-12-14 13:21:58,573 INFO L158 Benchmark]: TraceAbstraction took 329420.65ms. Allocated memory was 142.6MB in the beginning and 434.1MB in the end (delta: 291.5MB). Free memory was 56.9MB in the beginning and 71.9MB in the end (delta: -14.9MB). Peak memory consumption was 295.4MB. Max. memory is 16.1GB. [2022-12-14 13:21:58,573 INFO L158 Benchmark]: Witness Printer took 55.23ms. Allocated memory is still 434.1MB. Free memory was 71.9MB in the beginning and 64.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 13:21:58,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.54ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 54.6MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.57ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 50.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.32ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 47.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2776.66ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 47.0MB in the beginning and 58.0MB in the end (delta: -11.0MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 329420.65ms. Allocated memory was 142.6MB in the beginning and 434.1MB in the end (delta: 291.5MB). Free memory was 56.9MB in the beginning and 71.9MB in the end (delta: -14.9MB). Peak memory consumption was 295.4MB. Max. memory is 16.1GB. * Witness Printer took 55.23ms. Allocated memory is still 434.1MB. Free memory was 71.9MB in the beginning and 64.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: 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 6 procedures, 104 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 329.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 282 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 135 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 8 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 162 PreInvPairs, 190 NumberOfFragments, 461 HoareAnnotationTreeSize, 162 FomulaSimplifications, 420 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 41 FomulaSimplificationsInter, 2562 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 SizeOfPredicates, 2 NumberOfNonLiveVariables, 859 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 27/33 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: 311.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 10, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 61, TOOLS_POST_TIME: 107.4s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 61, TOOLS_QUANTIFIERELIM_TIME: 107.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 47.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 114, FLUID_YES_ANSWERS: 6, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 6, DOMAIN_ALPHA_TIME: 200.4s, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME: 3.9s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 307.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 307.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 99, DAG_COMPRESSION_RETAINED_NODES: 53, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2 <= __THREAD_FINISHED && __CS_thread_lockedon <= 0) && flag2 <= 8) && 0 <= __CS_cp_x) && 8 <= flag2) && 0 <= flag1) && 0 <= #NULL) && 0 <= __CS_thread_lockedon) && 0 <= __CS_cp___CS_thread_lockedon) && 0 <= __CS_cp_flag1) && 4 <= __CS_ret_FINISHED) && i <= 3) && 0 <= flag2) && 0 <= __CS_round) && 0 <= __CS_cp_flag1) && 0 <= __CS_cp___CS_thread_status) && 0 <= x) && 1 <= __THREAD_RUNNING) && __CS_ret_FINISHED <= 4) && 4 <= __CS_thread_born_round) && __CS_thread_born_round <= 0) && 7 <= flag1) && 0 <= __CS_cp_x) && __CS_cp_flag2 <= 0) && __CS_thread_status <= 0) && #NULL <= 0) && __CS_thread_born_round <= 4) && __CS_ret <= 0) && 0 <= __CS_thread_index) && 0 <= __CS_cp_flag2) && __CS_round <= 0) && __CS_cp_flag1 <= 0) && __CS_cp___CS_thread_status <= 0) && 0 <= i) && x <= 9) && __THREAD_FINISHED <= 2) && 0 <= __THREAD_UNUSED) && 0 <= __CS_thread_status) && flag1 <= 7) && 5 <= __CS_thread_status) && 0 <= __CS_cp___CS_thread_lockedon) && 2 <= __CS_ret_ERROR) && 0 <= __CS_thread_born_round) && flag2 <= 0) && #NULL <= 0) && 0 <= __CS_thread_allocated) && __CS_thread_lockedon <= 6) && __CS_thread_allocated <= 0) && flag1 <= 0) && 3 <= __CS_thread_allocated) && __THREAD_UNUSED <= 0) && __CS_thread_status <= 5) && 0 <= __CS_ret) && __CS_cp_x <= 0) && 9 <= x) && __THREAD_RUNNING <= 1) && 0 <= j) && 0 <= __CS_cp___CS_thread_status) && 0 <= __CS_cp_flag2) && __CS_ret_ERROR <= 2) && x <= 0) && __CS_cp___CS_thread_lockedon <= 0) && 0 <= #NULL) && __CS_thread_allocated <= 3) && 0 <= __CS_error) && __CS_ret_PREEMPTED <= 1) && __CS_error <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 1 <= __CS_ret_PREEMPTED) && __CS_thread_index <= 0) && 6 <= __CS_thread_lockedon - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2 <= __THREAD_FINISHED && __CS_thread_lockedon <= 0) && flag2 <= 8) && 0 <= __CS_cp_x) && 8 <= flag2) && 0 <= flag1) && 0 <= #NULL) && 0 <= __CS_thread_lockedon) && 0 <= __CS_cp___CS_thread_lockedon) && 0 <= __CS_cp_flag1) && 4 <= __CS_ret_FINISHED) && 0 <= flag2) && 0 <= __CS_round) && 0 <= __CS_cp_flag1) && 0 <= __CS_cp___CS_thread_status) && 0 <= x) && 1 <= __THREAD_RUNNING) && __CS_ret_FINISHED <= 4) && 4 <= __CS_thread_born_round) && __CS_thread_born_round <= 0) && 7 <= flag1) && 0 <= __CS_cp_x) && __CS_cp_flag2 <= 0) && __CS_thread_status <= 0) && #NULL <= 0) && __CS_thread_born_round <= 4) && __CS_ret <= 0) && 0 <= __CS_thread_index) && 0 <= __CS_cp_flag2) && __CS_round <= 0) && __CS_cp_flag1 <= 0) && __CS_cp___CS_thread_status <= 0) && 0 <= i) && x <= 9) && __THREAD_FINISHED <= 2) && 0 <= __THREAD_UNUSED) && 0 <= __CS_thread_status) && flag1 <= 7) && 5 <= __CS_thread_status) && 0 <= __CS_cp___CS_thread_lockedon) && 2 <= __CS_ret_ERROR) && 0 <= __CS_thread_born_round) && flag2 <= 0) && #NULL <= 0) && 0 <= __CS_thread_allocated) && __CS_thread_lockedon <= 6) && __CS_thread_allocated <= 0) && flag1 <= 0) && 3 <= __CS_thread_allocated) && __THREAD_UNUSED <= 0) && __CS_thread_status <= 5) && 0 <= __CS_ret) && __CS_cp_x <= 0) && 9 <= x) && __THREAD_RUNNING <= 1) && 0 <= __CS_cp___CS_thread_status) && 0 <= __CS_cp_flag2) && __CS_ret_ERROR <= 2) && x <= 0) && __CS_cp___CS_thread_lockedon <= 0) && 0 <= #NULL) && __CS_thread_allocated <= 3) && 0 <= __CS_error) && __CS_ret_PREEMPTED <= 1) && __CS_error <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 1 <= __CS_ret_PREEMPTED) && __CS_thread_index <= 0) && 6 <= __CS_thread_lockedon RESULT: Ultimate proved your program to be correct! [2022-12-14 13:21:58,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b0b289-6065-490c-ad84-7992d03f53ac/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE