./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:20:24,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:20:24,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:20:24,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:20:24,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:20:24,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:20:24,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:20:24,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:20:24,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:20:24,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:20:24,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:20:24,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:20:24,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:20:24,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:20:24,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:20:24,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:20:24,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:20:24,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:20:24,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:20:24,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:20:24,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:20:24,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:20:24,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:20:24,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:20:24,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:20:24,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:20:24,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:20:24,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:20:24,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:20:24,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:20:24,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:20:24,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:20:24,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:20:24,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:20:24,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:20:24,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:20:24,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:20:24,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:20:24,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:20:24,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:20:24,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:20:24,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:20:24,491 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:20:24,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:20:24,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:20:24,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:20:24,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:20:24,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:20:24,495 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:20:24,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:20:24,496 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:20:24,496 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:20:24,497 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:20:24,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:20:24,498 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:20:24,499 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:20:24,499 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:20:24,499 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:20:24,500 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:20:24,500 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:20:24,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:20:24,501 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:20:24,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:20:24,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:20:24,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:20:24,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:20:24,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:20:24,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:20:24,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:20:24,504 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:20:24,504 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:20:24,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:20:24,505 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:20:24,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:20:24,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:20:24,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:20:24,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:20:24,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:20:24,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:20:24,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:20:24,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:20:24,509 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:20:24,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:20:24,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:20:24,510 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:20:24,511 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_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-26 00:20:24,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:20:24,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:20:24,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:20:24,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:20:24,906 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:20:24,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-26 00:20:28,276 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:20:28,591 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:20:28,592 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-26 00:20:28,622 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/data/470b0f30f/f9a2cc07888d4687b96c9708344aabb3/FLAG85bf0ab7a [2022-11-26 00:20:28,646 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/data/470b0f30f/f9a2cc07888d4687b96c9708344aabb3 [2022-11-26 00:20:28,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:20:28,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:20:28,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:20:28,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:20:28,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:20:28,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:20:28" (1/1) ... [2022-11-26 00:20:28,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad35d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:28, skipping insertion in model container [2022-11-26 00:20:28,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:20:28" (1/1) ... [2022-11-26 00:20:28,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:20:28,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:20:29,176 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_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-26 00:20:29,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:20:29,369 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:20:29,427 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_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-26 00:20:29,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:20:29,540 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:20:29,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29 WrapperNode [2022-11-26 00:20:29,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:20:29,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:20:29,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:20:29,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:20:29,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,636 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 399 [2022-11-26 00:20:29,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:20:29,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:20:29,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:20:29,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:20:29,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,692 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:20:29,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:20:29,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:20:29,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:20:29,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (1/1) ... [2022-11-26 00:20:29,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:20:29,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:29,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:20:29,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:20:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:20:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:20:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:20:29,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:20:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:20:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:20:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:20:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-26 00:20:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-26 00:20:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:20:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-26 00:20:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-26 00:20:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-26 00:20:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-26 00:20:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:20:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:20:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-26 00:20:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-26 00:20:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:20:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:20:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:20:30,181 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:20:30,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:20:33,238 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:20:33,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:20:33,364 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:20:33,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:20:33 BoogieIcfgContainer [2022-11-26 00:20:33,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:20:33,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:20:33,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:20:33,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:20:33,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:20:28" (1/3) ... [2022-11-26 00:20:33,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248c1bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:20:33, skipping insertion in model container [2022-11-26 00:20:33,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:29" (2/3) ... [2022-11-26 00:20:33,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248c1bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:20:33, skipping insertion in model container [2022-11-26 00:20:33,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:20:33" (3/3) ... [2022-11-26 00:20:33,382 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-11-26 00:20:33,405 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:20:33,405 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-26 00:20:33,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:20:33,491 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;@3f97e343, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:20:33,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-26 00:20:33,498 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) [2022-11-26 00:20:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:20:33,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:33,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:20:33,508 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)] === [2022-11-26 00:20:33,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:33,522 INFO L85 PathProgramCache]: Analyzing trace with hash 9508179, now seen corresponding path program 1 times [2022-11-26 00:20:33,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:33,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193204990] [2022-11-26 00:20:33,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:33,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:34,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:34,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193204990] [2022-11-26 00:20:34,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193204990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:34,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:34,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:34,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590138512] [2022-11-26 00:20:34,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:34,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:34,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:34,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:34,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:34,164 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) [2022-11-26 00:20:36,228 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 [] [2022-11-26 00:20:36,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:36,405 INFO L93 Difference]: Finished difference Result 208 states and 289 transitions. [2022-11-26 00:20:36,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:20:36,408 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 [2022-11-26 00:20:36,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:36,416 INFO L225 Difference]: With dead ends: 208 [2022-11-26 00:20:36,416 INFO L226 Difference]: Without dead ends: 16 [2022-11-26 00:20:36,421 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 [2022-11-26 00:20:36,426 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, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:36,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 246 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:20:36,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-26 00:20:36,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2022-11-26 00:20:36,465 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) [2022-11-26 00:20:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2022-11-26 00:20:36,468 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 4 [2022-11-26 00:20:36,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:36,468 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-11-26 00:20:36,469 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) [2022-11-26 00:20:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-26 00:20:36,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:20:36,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:36,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:20:36,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:20:36,471 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)] === [2022-11-26 00:20:36,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:36,472 INFO L85 PathProgramCache]: Analyzing trace with hash 9507520, now seen corresponding path program 1 times [2022-11-26 00:20:36,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:36,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717676591] [2022-11-26 00:20:36,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:36,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:36,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:36,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717676591] [2022-11-26 00:20:36,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717676591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:36,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:36,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:36,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099965218] [2022-11-26 00:20:36,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:36,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:36,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:36,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:36,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:36,789 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) [2022-11-26 00:20:36,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:36,871 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-11-26 00:20:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:36,872 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 [2022-11-26 00:20:36,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:36,872 INFO L225 Difference]: With dead ends: 16 [2022-11-26 00:20:36,873 INFO L226 Difference]: Without dead ends: 14 [2022-11-26 00:20:36,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:36,875 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:36,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 19 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:20:36,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-26 00:20:36,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-26 00:20:36,879 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) [2022-11-26 00:20:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-26 00:20:36,880 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 4 [2022-11-26 00:20:36,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:36,880 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-26 00:20:36,880 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) [2022-11-26 00:20:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-26 00:20:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:20:36,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:36,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:36,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:20:36,882 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)] === [2022-11-26 00:20:36,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:36,883 INFO L85 PathProgramCache]: Analyzing trace with hash -229175748, now seen corresponding path program 1 times [2022-11-26 00:20:36,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:36,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296828588] [2022-11-26 00:20:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:36,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:37,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:37,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296828588] [2022-11-26 00:20:37,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296828588] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:20:37,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47618877] [2022-11-26 00:20:37,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:37,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:37,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:37,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:20:37,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:20:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:37,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:37,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:37,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:37,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47618877] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:37,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2091566978] [2022-11-26 00:20:37,618 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-26 00:20:37,619 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:20:37,626 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:20:37,632 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:20:37,633 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:20:37,997 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 [2022-11-26 00:20:38,075 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 [2022-11-26 00:20:38,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:38,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:38,314 INFO L217 Elim1Store]: Index analysis took 138 ms [2022-11-26 00:20:40,431 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-11-26 00:20:40,432 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 [2022-11-26 00:20:40,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:40,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:40,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:40,656 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 [2022-11-26 00:20:40,770 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 [2022-11-26 00:20:40,820 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 [2022-11-26 00:20:40,882 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 [2022-11-26 00:20:41,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,644 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 [2022-11-26 00:20:41,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,754 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 [2022-11-26 00:20:41,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,042 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 [2022-11-26 00:20:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,400 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 [2022-11-26 00:20:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,488 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 [2022-11-26 00:20:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:42,994 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 [2022-11-26 00:20:43,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,155 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 [2022-11-26 00:20:43,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:43,330 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 [2022-11-26 00:20:46,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,603 INFO L217 Elim1Store]: Index analysis took 266 ms [2022-11-26 00:20:46,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:46,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:46,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:46,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:46,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:46,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:46,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:46,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:48,532 INFO L321 Elim1Store]: treesize reduction 1938, result has 10.5 percent of original size [2022-11-26 00:20:48,534 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 [2022-11-26 00:20:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:48,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:48,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:48,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:48,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:49,122 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-26 00:20:49,124 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 [2022-11-26 00:20:49,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:49,492 INFO L321 Elim1Store]: treesize reduction 204, result has 17.4 percent of original size [2022-11-26 00:20:49,494 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 [2022-11-26 00:20:49,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:49,878 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-26 00:20:49,880 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 [2022-11-26 00:20:50,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:50,229 INFO L321 Elim1Store]: treesize reduction 152, result has 22.1 percent of original size [2022-11-26 00:20:50,230 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 [2022-11-26 00:20:59,568 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-26 00:20:59,569 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 [2022-11-26 00:20:59,649 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:20:59,649 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 [2022-11-26 00:20:59,732 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:20:59,732 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 [2022-11-26 00:21:00,099 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:21:00,103 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 [2022-11-26 00:21:00,177 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:21:00,178 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 [2022-11-26 00:21:00,228 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-26 00:21:00,229 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 [2022-11-26 00:21:00,428 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:21:05,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2091566978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:05,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:21:05,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 13 [2022-11-26 00:21:05,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493566344] [2022-11-26 00:21:05,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:05,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:21:05,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:05,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:21:05,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:21:05,920 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) [2022-11-26 00:21:18,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:18,523 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-11-26 00:21:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:21:18,524 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 [2022-11-26 00:21:18,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:18,525 INFO L225 Difference]: With dead ends: 27 [2022-11-26 00:21:18,525 INFO L226 Difference]: Without dead ends: 23 [2022-11-26 00:21:18,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:21:18,527 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:18,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:21:18,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-26 00:21:18,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-26 00:21:18,538 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) [2022-11-26 00:21:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-26 00:21:18,538 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 7 [2022-11-26 00:21:18,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:18,539 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-26 00:21:18,539 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) [2022-11-26 00:21:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-26 00:21:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:21:18,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:18,540 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-26 00:21:18,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:21:18,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:21:18,741 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)] === [2022-11-26 00:21:18,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:18,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2146976529, now seen corresponding path program 1 times [2022-11-26 00:21:18,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:18,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299391130] [2022-11-26 00:21:18,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:18,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:21:18,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:18,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299391130] [2022-11-26 00:21:18,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299391130] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:21:18,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371485201] [2022-11-26 00:21:18,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:18,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:21:18,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:21:18,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:21:18,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:21:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:19,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:21:19,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:21:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:21:19,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:21:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:21:19,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371485201] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:21:19,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1913526423] [2022-11-26 00:21:19,276 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:21:19,276 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:21:19,276 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:21:19,277 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:21:19,277 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:21:19,411 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 [2022-11-26 00:21:19,433 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 [2022-11-26 00:21:19,460 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 [2022-11-26 00:21:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:19,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,251 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-11-26 00:21:21,252 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 [2022-11-26 00:21:21,363 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 [2022-11-26 00:21:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,423 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 [2022-11-26 00:21:21,485 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 [2022-11-26 00:21:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,784 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 [2022-11-26 00:21:21,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:21,991 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 [2022-11-26 00:21:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,048 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 [2022-11-26 00:21:22,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,183 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 [2022-11-26 00:21:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,255 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 [2022-11-26 00:21:22,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,595 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 [2022-11-26 00:21:22,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,686 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 [2022-11-26 00:21:22,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:22,838 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 [2022-11-26 00:21:24,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:24,663 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-26 00:21:24,664 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 [2022-11-26 00:21:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:24,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:25,039 INFO L321 Elim1Store]: treesize reduction 204, result has 17.4 percent of original size [2022-11-26 00:21:25,040 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 [2022-11-26 00:21:25,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,368 INFO L217 Elim1Store]: Index analysis took 157 ms [2022-11-26 00:21:25,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:25,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:25,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:25,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:25,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:25,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:25,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:25,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:25,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:25,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:26,605 INFO L321 Elim1Store]: treesize reduction 1938, result has 10.5 percent of original size [2022-11-26 00:21:26,606 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 [2022-11-26 00:21:26,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:26,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:26,895 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-26 00:21:26,896 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 [2022-11-26 00:21:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:27,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:27,197 INFO L321 Elim1Store]: treesize reduction 152, result has 22.1 percent of original size [2022-11-26 00:21:27,198 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 [2022-11-26 00:21:41,376 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:21:41,376 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 [2022-11-26 00:21:41,443 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:21:41,443 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 [2022-11-26 00:21:41,502 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-26 00:21:41,502 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 [2022-11-26 00:21:42,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,296 INFO L217 Elim1Store]: Index analysis took 219 ms [2022-11-26 00:21:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:42,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:42,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:21:44,308 INFO L321 Elim1Store]: treesize reduction 2108, result has 8.5 percent of original size [2022-11-26 00:21:44,309 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 [2022-11-26 00:21:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,669 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 00:21:44,670 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 [2022-11-26 00:21:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:44,990 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 00:21:44,991 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 [2022-11-26 00:21:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,211 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 00:21:45,212 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 [2022-11-26 00:21:45,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,467 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 00:21:45,468 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 [2022-11-26 00:21:45,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,700 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 00:21:45,702 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 [2022-11-26 00:21:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:45,896 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 00:21:45,897 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 [2022-11-26 00:22:34,774 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-26 00:24:41,875 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-26 00:24:43,087 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-26 00:26:53,562 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-26 00:27:06,402 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:27:06,403 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 [2022-11-26 00:27:12,772 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-26 00:27:12,772 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 [2022-11-26 00:27:12,934 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:27:12,935 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 [2022-11-26 00:27:38,681 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:27:38,681 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 [2022-11-26 00:27:38,768 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:27:38,769 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 [2022-11-26 00:27:38,837 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-26 00:27:38,837 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 [2022-11-26 00:27:39,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:39,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:39,194 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-26 00:27:39,195 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 [2022-11-26 00:27:39,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:39,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:39,292 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-26 00:27:39,293 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 [2022-11-26 00:27:39,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:39,400 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-11-26 00:27:39,401 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 [2022-11-26 00:27:39,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:39,453 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-11-26 00:27:39,454 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 [2022-11-26 00:27:39,588 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:27:39,589 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 [2022-11-26 00:27:39,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:39,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:40,061 INFO L321 Elim1Store]: treesize reduction 267, result has 37.9 percent of original size [2022-11-26 00:27:40,061 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 [2022-11-26 00:27:41,460 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:27:41,461 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 [2022-11-26 00:27:44,432 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-26 00:27:44,433 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 [2022-11-26 00:27:44,521 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:27:44,522 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 [2022-11-26 00:27:44,612 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:27:44,613 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 [2022-11-26 00:27:44,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:44,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:44,959 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-26 00:27:44,960 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 [2022-11-26 00:27:45,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:45,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:45,077 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-26 00:27:45,078 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 [2022-11-26 00:27:45,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:45,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:45,214 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-26 00:27:45,214 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-11-26 00:27:45,330 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:27:45,330 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 [2022-11-26 00:27:45,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:45,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:27:45,741 INFO L321 Elim1Store]: treesize reduction 267, result has 37.9 percent of original size [2022-11-26 00:27:45,742 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 [2022-11-26 00:27:46,965 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:27:46,966 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 [2022-11-26 00:27:48,418 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-26 00:27:48,418 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 [2022-11-26 00:27:48,491 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:27:48,492 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 [2022-11-26 00:27:48,568 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:27:48,568 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 [2022-11-26 00:27:48,779 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-26 00:27:48,780 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 [2022-11-26 00:27:48,862 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-26 00:27:48,863 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 [2022-11-26 00:27:48,947 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 00:27:48,948 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 [2022-11-26 00:27:49,059 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:27:50,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1913526423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:50,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:27:50,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 13 [2022-11-26 00:27:50,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009256141] [2022-11-26 00:27:50,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:50,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:27:50,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:50,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:27:50,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:27:50,975 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) [2022-11-26 00:27:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:51,129 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-11-26 00:27:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:27:51,130 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 [2022-11-26 00:27:51,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:51,133 INFO L225 Difference]: With dead ends: 21 [2022-11-26 00:27:51,133 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:27:51,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:27:51,137 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 [2022-11-26 00:27:51,139 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] [2022-11-26 00:27:51,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:27:51,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:27:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:27:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:27:51,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-26 00:27:51,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:51,145 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:27:51,145 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) [2022-11-26 00:27:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:27:51,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:27:51,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-26 00:27:51,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-26 00:27:51,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-26 00:27:51,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-26 00:27:51,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-26 00:27:51,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-26 00:27:51,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-26 00:27:51,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-26 00:27:51,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:27:51,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:27:51,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:27:55,170 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-11-26 00:27:55,170 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-11-26 00:27:55,170 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 642 663) no Hoare annotation was computed. [2022-11-26 00:27:55,171 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_joinENTRY(lines 642 663) the Hoare annotation is: true [2022-11-26 00:27:55,171 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 642 663) no Hoare annotation was computed. [2022-11-26 00:27:55,171 INFO L902 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: true [2022-11-26 00:27:55,171 INFO L899 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2022-11-26 00:27:55,171 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 660) no Hoare annotation was computed. [2022-11-26 00:27:55,172 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2022-11-26 00:27:55,172 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 649) no Hoare annotation was computed. [2022-11-26 00:27:55,172 INFO L902 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: true [2022-11-26 00:27:55,172 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 798 810) no Hoare annotation was computed. [2022-11-26 00:27:55,172 INFO L902 garLoopResultBuilder]: At program point L797(lines 797 810) the Hoare annotation is: true [2022-11-26 00:27:55,173 INFO L902 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: true [2022-11-26 00:27:55,173 INFO L899 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2022-11-26 00:27:55,173 INFO L902 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: true [2022-11-26 00:27:55,173 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2022-11-26 00:27:55,173 INFO L902 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: true [2022-11-26 00:27:55,173 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-11-26 00:27:55,173 INFO L902 garLoopResultBuilder]: At program point L802(line 802) the Hoare annotation is: true [2022-11-26 00:27:55,173 INFO L899 garLoopResultBuilder]: For program point L802-1(line 802) no Hoare annotation was computed. [2022-11-26 00:27:55,174 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~$Pointer$ENTRY(line -1) the Hoare annotation is: true [2022-11-26 00:27:55,174 INFO L902 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: true [2022-11-26 00:27:55,174 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 798 810) no Hoare annotation was computed. [2022-11-26 00:27:55,174 INFO L902 garLoopResultBuilder]: At program point L807(line 807) the Hoare annotation is: true [2022-11-26 00:27:55,174 INFO L899 garLoopResultBuilder]: For program point L807-1(lines 798 810) no Hoare annotation was computed. [2022-11-26 00:27:55,175 INFO L902 garLoopResultBuilder]: At program point L805(line 805) the Hoare annotation is: true [2022-11-26 00:27:55,175 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 798 810) no Hoare annotation was computed. [2022-11-26 00:27:55,175 INFO L902 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: true [2022-11-26 00:27:55,175 INFO L899 garLoopResultBuilder]: For program point L803-1(lines 798 810) no Hoare annotation was computed. [2022-11-26 00:27:55,175 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:27:55,175 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 664 677) no Hoare annotation was computed. [2022-11-26 00:27:55,175 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_createENTRY(lines 664 677) the Hoare annotation is: true [2022-11-26 00:27:55,175 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-11-26 00:27:55,176 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-11-26 00:27:55,176 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-11-26 00:27:55,176 INFO L902 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: true [2022-11-26 00:27:55,176 INFO L899 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2022-11-26 00:27:55,176 INFO L902 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: true [2022-11-26 00:27:55,177 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-11-26 00:27:55,177 INFO L902 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2022-11-26 00:27:55,177 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-11-26 00:27:55,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-11-26 00:27:55,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:27:55,178 INFO L902 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: true [2022-11-26 00:27:55,178 INFO L902 garLoopResultBuilder]: At program point L887-1(line 887) the Hoare annotation is: true [2022-11-26 00:27:55,178 INFO L902 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: true [2022-11-26 00:27:55,178 INFO L899 garLoopResultBuilder]: For program point L879-1(line 879) no Hoare annotation was computed. [2022-11-26 00:27:55,178 INFO L902 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: true [2022-11-26 00:27:55,179 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2022-11-26 00:27:55,179 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-11-26 00:27:55,179 INFO L902 garLoopResultBuilder]: At program point L855(line 855) the Hoare annotation is: true [2022-11-26 00:27:55,179 INFO L899 garLoopResultBuilder]: For program point L855-1(line 855) no Hoare annotation was computed. [2022-11-26 00:27:55,179 INFO L902 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2022-11-26 00:27:55,180 INFO L899 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2022-11-26 00:27:55,180 INFO L902 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: true [2022-11-26 00:27:55,180 INFO L899 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-11-26 00:27:55,180 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 869) no Hoare annotation was computed. [2022-11-26 00:27:55,180 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 869) no Hoare annotation was computed. [2022-11-26 00:27:55,180 INFO L899 garLoopResultBuilder]: For program point L823-3(line 823) no Hoare annotation was computed. [2022-11-26 00:27:55,181 INFO L899 garLoopResultBuilder]: For program point L823-4(line 823) no Hoare annotation was computed. [2022-11-26 00:27:55,181 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|)) [2022-11-26 00:27:55,182 INFO L902 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2022-11-26 00:27:55,182 INFO L899 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2022-11-26 00:27:55,182 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2022-11-26 00:27:55,182 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-11-26 00:27:55,182 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2022-11-26 00:27:55,182 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2022-11-26 00:27:55,183 INFO L902 garLoopResultBuilder]: At program point L874(line 874) the Hoare annotation is: true [2022-11-26 00:27:55,183 INFO L899 garLoopResultBuilder]: For program point L874-1(line 874) no Hoare annotation was computed. [2022-11-26 00:27:55,183 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 863) no Hoare annotation was computed. [2022-11-26 00:27:55,183 INFO L899 garLoopResultBuilder]: For program point L858-1(lines 858 863) no Hoare annotation was computed. [2022-11-26 00:27:55,183 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2022-11-26 00:27:55,183 INFO L899 garLoopResultBuilder]: For program point L883-1(line 883) no Hoare annotation was computed. [2022-11-26 00:27:55,183 INFO L902 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: true [2022-11-26 00:27:55,183 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2022-11-26 00:27:55,184 INFO L902 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: true [2022-11-26 00:27:55,184 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2022-11-26 00:27:55,184 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:27:55,184 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-11-26 00:27:55,184 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2022-11-26 00:27:55,184 INFO L902 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: true [2022-11-26 00:27:55,184 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2022-11-26 00:27:55,184 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-11-26 00:27:55,185 INFO L902 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2022-11-26 00:27:55,185 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 857) no Hoare annotation was computed. [2022-11-26 00:27:55,185 INFO L899 garLoopResultBuilder]: For program point L885-1(line 885) no Hoare annotation was computed. [2022-11-26 00:27:55,185 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 857) no Hoare annotation was computed. [2022-11-26 00:27:55,185 INFO L899 garLoopResultBuilder]: For program point L819-3(line 819) no Hoare annotation was computed. [2022-11-26 00:27:55,185 INFO L899 garLoopResultBuilder]: For program point L819-4(line 819) no Hoare annotation was computed. [2022-11-26 00:27:55,186 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|)) [2022-11-26 00:27:55,186 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-11-26 00:27:55,186 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-11-26 00:27:55,187 INFO L899 garLoopResultBuilder]: For program point __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-26 00:27:55,187 INFO L899 garLoopResultBuilder]: For program point __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-26 00:27:55,187 INFO L899 garLoopResultBuilder]: For program point __CS_csEXIT(lines 562 568) no Hoare annotation was computed. [2022-11-26 00:27:55,187 INFO L899 garLoopResultBuilder]: For program point __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-26 00:27:55,187 INFO L899 garLoopResultBuilder]: For program point __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-26 00:27:55,187 INFO L902 garLoopResultBuilder]: At program point __CS_csENTRY(lines 562 568) the Hoare annotation is: true [2022-11-26 00:27:55,187 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-11-26 00:27:55,187 INFO L899 garLoopResultBuilder]: For program point L565(line 565) no Hoare annotation was computed. [2022-11-26 00:27:55,187 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-11-26 00:27:55,188 INFO L902 garLoopResultBuilder]: At program point L565-2(line 565) the Hoare annotation is: true [2022-11-26 00:27:55,188 INFO L899 garLoopResultBuilder]: For program point L565-3(line 565) no Hoare annotation was computed. [2022-11-26 00:27:55,191 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-26 00:27:55,194 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:27:55,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:27:55 BoogieIcfgContainer [2022-11-26 00:27:55,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:27:55,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:27:55,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:27:55,225 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:27:55,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:20:33" (3/4) ... [2022-11-26 00:27:55,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:27:55,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-26 00:27:55,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-26 00:27:55,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-26 00:27:55,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-26 00:27:55,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-26 00:27:55,249 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-26 00:27:55,250 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-26 00:27:55,251 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-26 00:27:55,252 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 00:27:55,253 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:27:55,341 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:27:55,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:27:55,342 INFO L158 Benchmark]: Toolchain (without parser) took 446689.70ms. Allocated memory was 144.7MB in the beginning and 507.5MB in the end (delta: 362.8MB). Free memory was 99.4MB in the beginning and 163.1MB in the end (delta: -63.7MB). Peak memory consumption was 300.3MB. Max. memory is 16.1GB. [2022-11-26 00:27:55,342 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:27:55,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 885.06ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 72.5MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:27:55,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.86ms. Allocated memory is still 144.7MB. Free memory was 72.5MB in the beginning and 68.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:27:55,343 INFO L158 Benchmark]: Boogie Preprocessor took 64.08ms. Allocated memory is still 144.7MB. Free memory was 68.7MB in the beginning and 65.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:27:55,344 INFO L158 Benchmark]: RCFGBuilder took 3664.61ms. Allocated memory is still 144.7MB. Free memory was 65.0MB in the beginning and 67.1MB in the end (delta: -2.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-11-26 00:27:55,344 INFO L158 Benchmark]: TraceAbstraction took 441854.15ms. Allocated memory was 144.7MB in the beginning and 507.5MB in the end (delta: 362.8MB). Free memory was 65.9MB in the beginning and 170.4MB in the end (delta: -104.6MB). Peak memory consumption was 339.9MB. Max. memory is 16.1GB. [2022-11-26 00:27:55,345 INFO L158 Benchmark]: Witness Printer took 116.57ms. Allocated memory is still 507.5MB. Free memory was 170.4MB in the beginning and 163.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-26 00:27:55,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 885.06ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 72.5MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.86ms. Allocated memory is still 144.7MB. Free memory was 72.5MB in the beginning and 68.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.08ms. Allocated memory is still 144.7MB. Free memory was 68.7MB in the beginning and 65.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3664.61ms. Allocated memory is still 144.7MB. Free memory was 65.0MB in the beginning and 67.1MB in the end (delta: -2.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 441854.15ms. Allocated memory was 144.7MB in the beginning and 507.5MB in the end (delta: 362.8MB). Free memory was 65.9MB in the beginning and 170.4MB in the end (delta: -104.6MB). Peak memory consumption was 339.9MB. Max. memory is 16.1GB. * Witness Printer took 116.57ms. Allocated memory is still 507.5MB. Free memory was 170.4MB in the beginning and 163.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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: 441.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 282 SdHoareTripleChecker+Invalid, 2.6s 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, 19.8s 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, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s 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: 412.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 10, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 61, TOOLS_POST_TIME: 133.8s, 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: 133.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 52.3s, 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: 273.4s, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME: 5.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.2s, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 404.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 404.1s, 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! [2022-11-26 00:27:55,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a521d7-7b43-41d0-b41a-e2c1e7fab3ad/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE