./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/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_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/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 64bit --witnessprinter.graph.data.programhash 88152d200f3735580ff1ef27f101a7fb92c16771960b094da1023d228a179c4c --- 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 [2022-11-25 23:18:56,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:18:56,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:18:56,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:18:56,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:18:56,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:18:56,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:18:56,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:18:56,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:18:56,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:18:56,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:18:56,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:18:56,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:18:56,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:18:56,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:18:56,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:18:56,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:18:56,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:18:56,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:18:56,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:18:56,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:18:56,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:18:56,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:18:56,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:18:56,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:18:56,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:18:56,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:18:56,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:18:56,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:18:56,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:18:56,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:18:56,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:18:56,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:18:56,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:18:56,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:18:56,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:18:56,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:18:56,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:18:56,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:18:56,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:18:56,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:18:56,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:18:56,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:18:56,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:18:56,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:18:56,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:18:56,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:18:56,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:18:56,481 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:18:56,481 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:18:56,485 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:18:56,485 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:18:56,487 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:18:56,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:18:56,487 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:18:56,487 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:18:56,488 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:18:56,488 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:18:56,488 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:18:56,488 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:18:56,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:18:56,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:18:56,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:18:56,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:18:56,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:18:56,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:18:56,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:18:56,491 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:18:56,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:18:56,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:18:56,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:18:56,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:18:56,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:18:56,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:56,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:18:56,493 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:18:56,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:18:56,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:18:56,494 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:18:56,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:18:56,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:18:56,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:18:56,495 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_3271f6b3-1700-467e-942c-ef78fc402d98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88152d200f3735580ff1ef27f101a7fb92c16771960b094da1023d228a179c4c [2022-11-25 23:18:56,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:18:56,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:18:56,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:18:56,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:18:56,937 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:18:56,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i [2022-11-25 23:19:00,650 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:19:01,169 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:19:01,178 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i [2022-11-25 23:19:01,224 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/data/5995551ee/5b24a66c9aa44760a6e23a65cc621c95/FLAG318d0e547 [2022-11-25 23:19:01,254 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/data/5995551ee/5b24a66c9aa44760a6e23a65cc621c95 [2022-11-25 23:19:01,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:19:01,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:19:01,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:19:01,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:19:01,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:19:01,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@927d45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01, skipping insertion in model container [2022-11-25 23:19:01,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:19:01,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:19:01,763 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:19:02,485 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:19:02,492 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:02,495 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:02,498 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:02,499 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:02,548 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:19:02,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:19:02,573 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:19:02,617 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:19:02,695 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:19:02,697 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:02,698 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:02,701 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:02,702 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:02,713 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:19:02,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:19:02,873 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:19:02,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02 WrapperNode [2022-11-25 23:19:02,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:19:02,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:19:02,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:19:02,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:19:02,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:02,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,002 INFO L138 Inliner]: procedures = 503, calls = 93, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2022-11-25 23:19:03,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:19:03,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:19:03,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:19:03,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:19:03,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:19:03,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:19:03,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:19:03,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:19:03,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (1/1) ... [2022-11-25 23:19:03,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:19:03,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:03,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:19:03,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:19:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:19:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:19:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:19:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:19:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-25 23:19:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-25 23:19:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:19:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:19:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:19:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:19:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:19:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:19:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2022-11-25 23:19:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2022-11-25 23:19:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:19:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:19:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:19:03,403 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:19:03,406 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:19:03,781 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:19:03,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:19:03,850 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:19:03,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:03 BoogieIcfgContainer [2022-11-25 23:19:03,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:19:03,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:19:03,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:19:03,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:19:03,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:19:01" (1/3) ... [2022-11-25 23:19:03,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54168190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:19:03, skipping insertion in model container [2022-11-25 23:19:03,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:02" (2/3) ... [2022-11-25 23:19:03,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54168190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:19:03, skipping insertion in model container [2022-11-25 23:19:03,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:03" (3/3) ... [2022-11-25 23:19:03,865 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i [2022-11-25 23:19:03,890 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:19:03,890 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 23:19:03,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:19:03,964 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;@5cdc033d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:19:03,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 23:19:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 49 states have internal predecessors, (49), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-25 23:19:03,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:19:03,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:03,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:03,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:04,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1062192177, now seen corresponding path program 1 times [2022-11-25 23:19:04,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:04,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561554736] [2022-11-25 23:19:04,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:04,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:04,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:04,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561554736] [2022-11-25 23:19:04,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561554736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:04,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:04,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:19:04,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055437507] [2022-11-25 23:19:04,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:04,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:19:04,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:04,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:19:04,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:19:04,933 INFO L87 Difference]: Start difference. First operand has 65 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 49 states have internal predecessors, (49), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 23:19:05,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:05,239 INFO L93 Difference]: Finished difference Result 65 states and 85 transitions. [2022-11-25 23:19:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:19:05,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2022-11-25 23:19:05,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:05,255 INFO L225 Difference]: With dead ends: 65 [2022-11-25 23:19:05,258 INFO L226 Difference]: Without dead ends: 59 [2022-11-25 23:19:05,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:19:05,267 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 7 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:05,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 307 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:19:05,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-25 23:19:05,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-25 23:19:05,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.375) internal successors, (44), 44 states have internal predecessors, (44), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 23:19:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2022-11-25 23:19:05,350 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 16 [2022-11-25 23:19:05,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:05,353 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-11-25 23:19:05,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 23:19:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-11-25 23:19:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:19:05,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:05,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:05,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:19:05,358 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:05,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:05,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1431780950, now seen corresponding path program 1 times [2022-11-25 23:19:05,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:05,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104111709] [2022-11-25 23:19:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:05,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:05,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:05,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104111709] [2022-11-25 23:19:05,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104111709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:05,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:05,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:05,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120430443] [2022-11-25 23:19:05,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:05,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:05,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:05,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:05,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:05,572 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 23:19:05,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:05,697 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2022-11-25 23:19:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:05,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17 [2022-11-25 23:19:05,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:05,700 INFO L225 Difference]: With dead ends: 59 [2022-11-25 23:19:05,706 INFO L226 Difference]: Without dead ends: 58 [2022-11-25 23:19:05,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:05,721 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:05,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:19:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-25 23:19:05,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-25 23:19:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.34375) internal successors, (43), 43 states have internal predecessors, (43), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 23:19:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-11-25 23:19:05,744 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 17 [2022-11-25 23:19:05,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:05,745 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-11-25 23:19:05,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 23:19:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-11-25 23:19:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 23:19:05,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:05,747 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:05,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:19:05,748 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)] === [2022-11-25 23:19:05,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:05,749 INFO L85 PathProgramCache]: Analyzing trace with hash 957688527, now seen corresponding path program 1 times [2022-11-25 23:19:05,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:05,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416276569] [2022-11-25 23:19:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:19:05,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:05,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416276569] [2022-11-25 23:19:05,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416276569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:05,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:05,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:19:05,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913011823] [2022-11-25 23:19:05,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:05,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:05,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:05,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:05,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:05,963 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:19:06,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:06,029 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2022-11-25 23:19:06,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:06,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2022-11-25 23:19:06,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:06,032 INFO L225 Difference]: With dead ends: 102 [2022-11-25 23:19:06,032 INFO L226 Difference]: Without dead ends: 57 [2022-11-25 23:19:06,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:06,037 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:06,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:06,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-25 23:19:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-25 23:19:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.3125) internal successors, (42), 42 states have internal predecessors, (42), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-25 23:19:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2022-11-25 23:19:06,052 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 29 [2022-11-25 23:19:06,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:06,052 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2022-11-25 23:19:06,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:19:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-11-25 23:19:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 23:19:06,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:06,055 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:06,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:19:06,056 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)] === [2022-11-25 23:19:06,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:06,057 INFO L85 PathProgramCache]: Analyzing trace with hash -49233498, now seen corresponding path program 1 times [2022-11-25 23:19:06,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:06,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880841238] [2022-11-25 23:19:06,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:06,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:19:06,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:06,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880841238] [2022-11-25 23:19:06,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880841238] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:06,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940847484] [2022-11-25 23:19:06,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:06,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:06,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:06,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:06,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:19:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:06,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:19:06,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:06,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:19:07,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-25 23:19:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:19:07,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:07,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:07,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-11-25 23:19:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:19:07,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940847484] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:07,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1459354832] [2022-11-25 23:19:07,259 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-25 23:19:07,259 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:19:07,264 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:19:07,271 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:19:07,271 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:19:07,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:07,737 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-25 23:19:07,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-25 23:19:07,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:07,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 23:19:07,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:07,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:07,976 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-25 23:19:07,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-25 23:19:08,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:08,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-25 23:19:08,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:08,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:08,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:09,151 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-25 23:19:09,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-25 23:19:09,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:09,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:09,238 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:19:09,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-11-25 23:19:09,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:09,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:09,296 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:19:09,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-25 23:19:09,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:09,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:10,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:10,110 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-25 23:19:10,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 453 treesize of output 451 [2022-11-25 23:19:10,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:10,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:13,337 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-11-25 23:19:13,408 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 103 for LOIs [2022-11-25 23:19:13,440 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 141 for LOIs [2022-11-25 23:19:13,600 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:19:24,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1459354832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:24,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:19:24,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [6, 6, 5] total 31 [2022-11-25 23:19:24,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129309642] [2022-11-25 23:19:24,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:24,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-25 23:19:24,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:24,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-25 23:19:24,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2022-11-25 23:19:24,870 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 23:19:28,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:28,769 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2022-11-25 23:19:28,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 23:19:28,772 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 30 [2022-11-25 23:19:28,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:28,774 INFO L225 Difference]: With dead ends: 136 [2022-11-25 23:19:28,774 INFO L226 Difference]: Without dead ends: 103 [2022-11-25 23:19:28,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=186, Invalid=1004, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 23:19:28,776 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 82 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:28,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 266 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:19:28,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-25 23:19:28,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 80. [2022-11-25 23:19:28,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 56 states have internal predecessors, (56), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-25 23:19:28,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2022-11-25 23:19:28,811 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 30 [2022-11-25 23:19:28,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:28,811 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2022-11-25 23:19:28,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 23:19:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2022-11-25 23:19:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 23:19:28,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:28,814 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:28,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:29,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:29,021 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:29,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:29,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1253322765, now seen corresponding path program 1 times [2022-11-25 23:19:29,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:29,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884534524] [2022-11-25 23:19:29,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:19:29,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:29,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884534524] [2022-11-25 23:19:29,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884534524] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:29,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381211598] [2022-11-25 23:19:29,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:29,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:29,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:29,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:29,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:19:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:29,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:19:29,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:29,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:19:29,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-25 23:19:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:19:29,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:29,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:29,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-11-25 23:19:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:19:29,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381211598] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:29,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1809075187] [2022-11-25 23:19:29,855 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-25 23:19:29,855 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:19:29,857 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:19:29,858 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:19:29,858 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:19:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:30,102 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-25 23:19:30,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-25 23:19:30,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:30,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:30,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 23:19:30,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:30,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2022-11-25 23:19:30,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:30,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-25 23:19:30,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:30,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:30,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:30,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:30,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2022-11-25 23:19:30,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:30,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:30,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:30,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:31,109 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-25 23:19:31,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-25 23:19:31,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:31,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:31,167 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:19:31,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 40 [2022-11-25 23:19:31,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:31,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:31,214 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:19:31,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-25 23:19:31,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:31,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:31,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:31,784 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-25 23:19:31,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 446 treesize of output 448 [2022-11-25 23:19:32,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:35,603 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-11-25 23:19:35,667 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 104 for LOIs [2022-11-25 23:19:35,694 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 103 for LOIs [2022-11-25 23:19:35,724 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 77 for LOIs [2022-11-25 23:19:35,734 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:19:42,674 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1324#(and (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~result~0#1| 2147483647)) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~result~0#1| 2147483647) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) |ULTIMATE.start_goodB2G2_#t~mem103#1|) (= ~globalArgv~0.base 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (<= 0 |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (not (<= 0 (+ 2147483649 |ULTIMATE.start_goodB2G2_#t~mem103#1|))) (= ~globalTrue~0 1))' at error location [2022-11-25 23:19:42,675 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:19:42,675 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:19:42,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2022-11-25 23:19:42,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173485526] [2022-11-25 23:19:42,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:19:42,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 23:19:42,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:42,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 23:19:42,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1095, Unknown=0, NotChecked=0, Total=1260 [2022-11-25 23:19:42,679 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 13 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-25 23:19:44,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:19:45,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:45,092 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2022-11-25 23:19:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:19:45,093 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) Word has length 32 [2022-11-25 23:19:45,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:45,095 INFO L225 Difference]: With dead ends: 82 [2022-11-25 23:19:45,095 INFO L226 Difference]: Without dead ends: 81 [2022-11-25 23:19:45,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 63 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=186, Invalid=1296, Unknown=0, NotChecked=0, Total=1482 [2022-11-25 23:19:45,097 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 61 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:45,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 367 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 259 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 23:19:45,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-25 23:19:45,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-25 23:19:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 56 states have internal predecessors, (56), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-25 23:19:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2022-11-25 23:19:45,128 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 32 [2022-11-25 23:19:45,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:45,129 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2022-11-25 23:19:45,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-25 23:19:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2022-11-25 23:19:45,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 23:19:45,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:45,131 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:45,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:45,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:45,338 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:45,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:45,339 INFO L85 PathProgramCache]: Analyzing trace with hash -198299954, now seen corresponding path program 1 times [2022-11-25 23:19:45,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:45,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570503999] [2022-11-25 23:19:45,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:45,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:19:45,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:45,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570503999] [2022-11-25 23:19:45,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570503999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:45,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:45,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:45,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495414108] [2022-11-25 23:19:45,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:45,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:45,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:45,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:45,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:45,435 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-25 23:19:45,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:45,512 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2022-11-25 23:19:45,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:45,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33 [2022-11-25 23:19:45,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:45,514 INFO L225 Difference]: With dead ends: 81 [2022-11-25 23:19:45,515 INFO L226 Difference]: Without dead ends: 80 [2022-11-25 23:19:45,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:45,516 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:45,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:45,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-25 23:19:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-25 23:19:45,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 55 states have internal predecessors, (55), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-25 23:19:45,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2022-11-25 23:19:45,578 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 33 [2022-11-25 23:19:45,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:45,580 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2022-11-25 23:19:45,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-25 23:19:45,580 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2022-11-25 23:19:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 23:19:45,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:45,587 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:45,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:19:45,587 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:45,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:45,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1425065978, now seen corresponding path program 1 times [2022-11-25 23:19:45,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:45,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682209327] [2022-11-25 23:19:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:45,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 23:19:45,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:45,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682209327] [2022-11-25 23:19:45,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682209327] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:45,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244592912] [2022-11-25 23:19:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:45,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:45,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:45,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:45,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:19:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:45,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:19:45,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:19:45,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:45,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244592912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:45,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:19:45,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 23:19:45,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734881318] [2022-11-25 23:19:45,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:45,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:45,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:45,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:45,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:45,886 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:19:45,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:45,952 INFO L93 Difference]: Finished difference Result 97 states and 115 transitions. [2022-11-25 23:19:45,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:45,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 42 [2022-11-25 23:19:45,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:45,954 INFO L225 Difference]: With dead ends: 97 [2022-11-25 23:19:45,954 INFO L226 Difference]: Without dead ends: 96 [2022-11-25 23:19:45,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:45,958 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 10 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:45,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 116 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:45,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-25 23:19:46,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 84. [2022-11-25 23:19:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 57 states have internal predecessors, (59), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 17 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-25 23:19:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 99 transitions. [2022-11-25 23:19:46,016 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 99 transitions. Word has length 42 [2022-11-25 23:19:46,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:46,016 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 99 transitions. [2022-11-25 23:19:46,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:19:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2022-11-25 23:19:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 23:19:46,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:46,025 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:46,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:46,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:46,233 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:46,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:46,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1227372232, now seen corresponding path program 1 times [2022-11-25 23:19:46,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:46,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695742753] [2022-11-25 23:19:46,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:46,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 23:19:46,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:46,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695742753] [2022-11-25 23:19:46,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695742753] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:46,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649123834] [2022-11-25 23:19:46,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:46,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:46,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:46,355 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:46,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:19:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:46,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:19:46,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:19:46,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:46,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649123834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:46,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:19:46,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 23:19:46,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315221030] [2022-11-25 23:19:46,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:46,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:46,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:46,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:46,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:46,561 INFO L87 Difference]: Start difference. First operand 84 states and 99 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:19:46,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:46,630 INFO L93 Difference]: Finished difference Result 94 states and 110 transitions. [2022-11-25 23:19:46,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:46,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-25 23:19:46,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:46,633 INFO L225 Difference]: With dead ends: 94 [2022-11-25 23:19:46,633 INFO L226 Difference]: Without dead ends: 93 [2022-11-25 23:19:46,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:46,636 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 11 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:46,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 105 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:46,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-25 23:19:46,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 83. [2022-11-25 23:19:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.183673469387755) internal successors, (58), 56 states have internal predecessors, (58), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 17 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-25 23:19:46,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 98 transitions. [2022-11-25 23:19:46,677 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 98 transitions. Word has length 43 [2022-11-25 23:19:46,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:46,678 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 98 transitions. [2022-11-25 23:19:46,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:19:46,679 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2022-11-25 23:19:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 23:19:46,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:46,682 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:46,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:46,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:46,889 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:46,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:46,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1347706002, now seen corresponding path program 1 times [2022-11-25 23:19:46,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:46,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964855424] [2022-11-25 23:19:46,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:46,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:47,000 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 23:19:47,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:47,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964855424] [2022-11-25 23:19:47,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964855424] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:47,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478671077] [2022-11-25 23:19:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:47,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:47,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:47,003 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:47,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:19:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:47,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:19:47,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-25 23:19:47,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:47,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478671077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:47,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:19:47,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 23:19:47,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000190254] [2022-11-25 23:19:47,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:47,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:47,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:47,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:47,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:47,234 INFO L87 Difference]: Start difference. First operand 83 states and 98 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:19:47,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:47,296 INFO L93 Difference]: Finished difference Result 83 states and 98 transitions. [2022-11-25 23:19:47,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:47,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 45 [2022-11-25 23:19:47,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:47,304 INFO L225 Difference]: With dead ends: 83 [2022-11-25 23:19:47,304 INFO L226 Difference]: Without dead ends: 82 [2022-11-25 23:19:47,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:47,307 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:47,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 94 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:47,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-25 23:19:47,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2022-11-25 23:19:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 53 states have internal predecessors, (53), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-25 23:19:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2022-11-25 23:19:47,343 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 45 [2022-11-25 23:19:47,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:47,343 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2022-11-25 23:19:47,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:19:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2022-11-25 23:19:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 23:19:47,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:47,347 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:47,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-25 23:19:47,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 23:19:47,554 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:47,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:47,554 INFO L85 PathProgramCache]: Analyzing trace with hash 576549138, now seen corresponding path program 1 times [2022-11-25 23:19:47,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:47,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681343554] [2022-11-25 23:19:47,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:47,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 23:19:47,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:47,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681343554] [2022-11-25 23:19:47,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681343554] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:47,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721240567] [2022-11-25 23:19:47,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:47,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:47,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:47,647 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:47,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:19:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:47,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:19:47,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-25 23:19:47,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:47,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721240567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:47,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:19:47,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-25 23:19:47,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796680795] [2022-11-25 23:19:47,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:47,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:47,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:47,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:47,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:19:47,864 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:19:47,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:47,940 INFO L93 Difference]: Finished difference Result 107 states and 123 transitions. [2022-11-25 23:19:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:47,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-25 23:19:47,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:47,942 INFO L225 Difference]: With dead ends: 107 [2022-11-25 23:19:47,943 INFO L226 Difference]: Without dead ends: 78 [2022-11-25 23:19:47,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:19:47,944 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:47,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:47,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-25 23:19:47,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-25 23:19:47,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 52 states have internal predecessors, (52), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-25 23:19:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 90 transitions. [2022-11-25 23:19:47,973 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 90 transitions. Word has length 52 [2022-11-25 23:19:47,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:47,974 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 90 transitions. [2022-11-25 23:19:47,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:19:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2022-11-25 23:19:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-25 23:19:47,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:47,976 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:47,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:48,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 23:19:48,186 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:48,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:48,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1381517718, now seen corresponding path program 1 times [2022-11-25 23:19:48,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:48,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121202097] [2022-11-25 23:19:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:48,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-25 23:19:48,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:48,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121202097] [2022-11-25 23:19:48,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121202097] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:48,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980125581] [2022-11-25 23:19:48,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:48,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:48,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:48,295 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:48,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:19:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:48,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:19:48,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 23:19:48,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:48,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980125581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:48,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:19:48,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-25 23:19:48,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266436248] [2022-11-25 23:19:48,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:48,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:48,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:48,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:48,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:19:48,501 INFO L87 Difference]: Start difference. First operand 78 states and 90 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 23:19:48,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:48,577 INFO L93 Difference]: Finished difference Result 90 states and 102 transitions. [2022-11-25 23:19:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:48,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 54 [2022-11-25 23:19:48,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:48,579 INFO L225 Difference]: With dead ends: 90 [2022-11-25 23:19:48,580 INFO L226 Difference]: Without dead ends: 78 [2022-11-25 23:19:48,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:19:48,581 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:48,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:48,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-25 23:19:48,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-25 23:19:48,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 46 states have (on average 1.108695652173913) internal successors, (51), 51 states have internal predecessors, (51), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-25 23:19:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2022-11-25 23:19:48,608 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 54 [2022-11-25 23:19:48,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:48,609 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2022-11-25 23:19:48,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 23:19:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2022-11-25 23:19:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-25 23:19:48,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:48,611 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:48,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:48,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:48,825 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:19:48,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:48,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1745003268, now seen corresponding path program 1 times [2022-11-25 23:19:48,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:48,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034102265] [2022-11-25 23:19:48,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:48,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-25 23:19:49,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:49,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034102265] [2022-11-25 23:19:49,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034102265] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:49,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343981627] [2022-11-25 23:19:49,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:49,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:49,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:49,027 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:49,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:19:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:49,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:49,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-25 23:19:49,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-25 23:19:49,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343981627] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:49,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1120924444] [2022-11-25 23:19:49,358 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2022-11-25 23:19:49,358 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:19:49,360 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:19:49,360 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:19:49,360 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:19:49,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:49,600 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-25 23:19:49,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-25 23:19:49,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:49,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 23:19:49,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:49,772 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-25 23:19:49,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-25 23:19:49,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:49,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:49,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-25 23:19:50,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:50,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:50,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,424 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:19:50,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-11-25 23:19:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,648 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-25 23:19:50,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-25 23:19:50,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,708 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:19:50,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-25 23:19:51,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:51,205 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-25 23:19:51,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 453 treesize of output 451 [2022-11-25 23:19:51,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:51,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:19:54,230 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-11-25 23:19:54,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 460 treesize of output 478 [2022-11-25 23:20:01,607 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-11-25 23:20:01,663 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 160 for LOIs [2022-11-25 23:20:01,784 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 28 for LOIs [2022-11-25 23:20:01,787 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 64 for LOIs [2022-11-25 23:20:01,800 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:20:23,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1120924444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:23,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:20:23,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 37 [2022-11-25 23:20:23,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509244748] [2022-11-25 23:20:23,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:23,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-25 23:20:23,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:23,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-25 23:20:23,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1246, Unknown=0, NotChecked=0, Total=1406 [2022-11-25 23:20:23,317 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 31 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 23:20:26,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:26,816 INFO L93 Difference]: Finished difference Result 122 states and 140 transitions. [2022-11-25 23:20:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-25 23:20:26,816 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 59 [2022-11-25 23:20:26,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:26,818 INFO L225 Difference]: With dead ends: 122 [2022-11-25 23:20:26,818 INFO L226 Difference]: Without dead ends: 76 [2022-11-25 23:20:26,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 135 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=160, Invalid=1246, Unknown=0, NotChecked=0, Total=1406 [2022-11-25 23:20:26,819 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 46 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:26,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 311 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 23:20:26,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-25 23:20:26,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2022-11-25 23:20:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 49 states have internal predecessors, (49), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-25 23:20:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2022-11-25 23:20:26,839 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 59 [2022-11-25 23:20:26,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:26,840 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2022-11-25 23:20:26,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 23:20:26,840 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2022-11-25 23:20:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 23:20:26,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:26,842 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:26,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:20:27,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:27,043 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:20:27,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:27,043 INFO L85 PathProgramCache]: Analyzing trace with hash 318025167, now seen corresponding path program 1 times [2022-11-25 23:20:27,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:27,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093889137] [2022-11-25 23:20:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:27,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:20:27,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:27,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093889137] [2022-11-25 23:20:27,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093889137] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:20:27,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184001129] [2022-11-25 23:20:27,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:27,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:27,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:27,212 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:20:27,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 23:20:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:27,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:20:27,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:20:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:20:27,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:20:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:20:27,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184001129] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:20:27,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [843099607] [2022-11-25 23:20:27,563 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-11-25 23:20:27,563 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:20:27,565 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:20:27,565 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:20:27,566 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:20:27,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:27,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 23:20:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:27,813 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-25 23:20:27,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-25 23:20:27,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:27,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2022-11-25 23:20:27,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:27,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:28,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:28,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-25 23:20:28,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:28,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:28,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:28,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2022-11-25 23:20:28,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:28,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:28,701 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-25 23:20:28,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-25 23:20:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:28,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:28,766 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:20:28,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 40 [2022-11-25 23:20:28,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:28,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:28,814 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:20:28,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-25 23:20:28,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:28,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:29,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:29,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:20:29,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:29,356 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-25 23:20:29,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 446 treesize of output 448 [2022-11-25 23:20:31,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:20:33,767 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-11-25 23:20:33,823 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 145 for LOIs [2022-11-25 23:20:33,912 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 138 for LOIs [2022-11-25 23:20:33,975 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 121 for LOIs [2022-11-25 23:20:34,043 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:20:48,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [843099607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:48,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:20:48,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 39 [2022-11-25 23:20:48,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539025992] [2022-11-25 23:20:48,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:48,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-25 23:20:48,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:48,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-25 23:20:48,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1385, Unknown=0, NotChecked=0, Total=1560 [2022-11-25 23:20:48,631 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 23:21:01,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:01,507 INFO L93 Difference]: Finished difference Result 127 states and 140 transitions. [2022-11-25 23:21:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-25 23:21:01,508 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 61 [2022-11-25 23:21:01,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:01,509 INFO L225 Difference]: With dead ends: 127 [2022-11-25 23:21:01,509 INFO L226 Difference]: Without dead ends: 79 [2022-11-25 23:21:01,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 137 SyntacticMatches, 10 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1027 ImplicationChecksByTransitivity, 23.2s TimeCoverageRelationStatistics Valid=321, Invalid=2759, Unknown=0, NotChecked=0, Total=3080 [2022-11-25 23:21:01,512 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 59 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:01,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 340 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 23:21:01,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-25 23:21:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2022-11-25 23:21:01,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 50 states have internal predecessors, (50), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-25 23:21:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2022-11-25 23:21:01,538 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 61 [2022-11-25 23:21:01,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:01,538 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2022-11-25 23:21:01,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 23:21:01,539 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2022-11-25 23:21:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 23:21:01,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:01,540 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:01,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-25 23:21:01,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 23:21:01,746 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:21:01,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:01,746 INFO L85 PathProgramCache]: Analyzing trace with hash -180111025, now seen corresponding path program 1 times [2022-11-25 23:21:01,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:01,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380417175] [2022-11-25 23:21:01,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:01,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:21:01,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:21:01,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380417175] [2022-11-25 23:21:01,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380417175] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:21:01,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371992413] [2022-11-25 23:21:01,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:01,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:21:01,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:21:01,940 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:21:01,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 23:21:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:02,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:21:02,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:21:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:21:02,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:21:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:21:02,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371992413] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:21:02,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [594487287] [2022-11-25 23:21:02,278 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-11-25 23:21:02,278 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:21:02,279 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:21:02,279 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:21:02,279 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:21:02,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:02,482 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-25 23:21:02,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-25 23:21:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:02,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 23:21:02,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:02,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:02,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:02,667 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-25 23:21:02,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-25 23:21:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:02,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-25 23:21:02,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:02,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:03,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:03,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:03,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:03,409 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-25 23:21:03,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-25 23:21:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:03,468 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:21:03,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-11-25 23:21:03,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:03,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:03,512 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:21:03,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-25 23:21:03,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:03,960 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 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:03,966 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 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:03,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:21:04,024 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-25 23:21:04,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 453 treesize of output 451 [2022-11-25 23:21:05,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:05,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:21:05,817 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-25 23:21:05,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 477 treesize of output 463 [2022-11-25 23:21:06,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:21:07,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:21:08,493 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-11-25 23:21:08,542 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 28 for LOIs [2022-11-25 23:21:08,545 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 135 for LOIs [2022-11-25 23:21:08,604 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 141 for LOIs [2022-11-25 23:21:08,695 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:21:20,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [594487287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:20,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:21:20,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 39 [2022-11-25 23:21:20,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237913899] [2022-11-25 23:21:20,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:20,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-25 23:21:20,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:21:20,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-25 23:21:20,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1369, Unknown=0, NotChecked=0, Total=1560 [2022-11-25 23:21:20,482 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand has 33 states, 21 states have (on average 1.380952380952381) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 23:21:26,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:26,441 INFO L93 Difference]: Finished difference Result 114 states and 130 transitions. [2022-11-25 23:21:26,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-25 23:21:26,442 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 21 states have (on average 1.380952380952381) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 61 [2022-11-25 23:21:26,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:26,442 INFO L225 Difference]: With dead ends: 114 [2022-11-25 23:21:26,442 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:21:26,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 141 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=294, Invalid=2358, Unknown=0, NotChecked=0, Total=2652 [2022-11-25 23:21:26,445 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 45 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:26,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 63 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-25 23:21:26,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:21:26,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:21:26,446 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) [2022-11-25 23:21:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:21:26,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2022-11-25 23:21:26,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:26,447 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:21:26,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 21 states have (on average 1.380952380952381) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 23:21:26,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:21:26,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:21:26,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-25 23:21:26,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-25 23:21:26,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-25 23:21:26,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-25 23:21:26,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-25 23:21:26,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-25 23:21:26,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-25 23:21:26,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-25 23:21:26,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 23:21:26,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:21:26,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:21:34,228 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:21:34,229 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:21:34,229 INFO L902 garLoopResultBuilder]: At program point globalReturnsFalseENTRY(lines 1514 1517) the Hoare annotation is: true [2022-11-25 23:21:34,229 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2022-11-25 23:21:34,229 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:21:34,230 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:21:34,230 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-25 23:21:34,230 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2022-11-25 23:21:34,231 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~globalArgv~0.offset 0) (= |ULTIMATE.start_goodG2B1_~result~2#1| |ULTIMATE.start_goodG2B1_~data~2#1|) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= |ULTIMATE.start_goodG2B2_~data~3#1| 0) (= 3 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:21:34,231 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (<= 0 |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:21:34,232 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2022-11-25 23:21:34,232 INFO L895 garLoopResultBuilder]: At program point L1621-4(lines 1621 1624) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~globalArgv~0.offset 0) (= |ULTIMATE.start_goodG2B1_~result~2#1| |ULTIMATE.start_goodG2B1_~data~2#1|) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= 3 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:21:34,233 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2022-11-25 23:21:34,233 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~globalArgv~0.offset 0) (= |ULTIMATE.start_goodG2B1_~result~2#1| |ULTIMATE.start_goodG2B1_~data~2#1|) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= 3 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:21:34,233 INFO L902 garLoopResultBuilder]: At program point L1646-1(line 1646) the Hoare annotation is: true [2022-11-25 23:21:34,233 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-11-25 23:21:34,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-25 23:21:34,234 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2022-11-25 23:21:34,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:21:34,234 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-25 23:21:34,234 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-11-25 23:21:34,235 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-11-25 23:21:34,235 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1572) no Hoare annotation was computed. [2022-11-25 23:21:34,235 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-25 23:21:34,235 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-25 23:21:34,235 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1582 1594) no Hoare annotation was computed. [2022-11-25 23:21:34,235 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1582 1594) no Hoare annotation was computed. [2022-11-25 23:21:34,236 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (<= 0 (+ 2147483647 .cse0)) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1) (= |ULTIMATE.start_goodB2G1_~result~0#1| .cse0))) [2022-11-25 23:21:34,236 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-25 23:21:34,237 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2022-11-25 23:21:34,237 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 1608 1615) no Hoare annotation was computed. [2022-11-25 23:21:34,237 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:21:34,237 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2022-11-25 23:21:34,238 INFO L899 garLoopResultBuilder]: For program point L1600-2(lines 1600 1607) no Hoare annotation was computed. [2022-11-25 23:21:34,238 INFO L895 garLoopResultBuilder]: At program point L1600-3(lines 1600 1607) the Hoare annotation is: (and (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:21:34,238 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-11-25 23:21:34,238 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 2147483647 .cse0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= ~GLOBAL_CONST_TRUE~0 1) (= (select |#length| 6) 18) (<= ~globalArgv~0.offset 0) (<= .cse0 2147483647) (= (select (select |#memory_int| 1) 0) 0) (<= ~globalFalse~0 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (<= |#NULL.offset| 0) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (<= 1 ~GLOBAL_CONST_TRUE~0) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (<= 0 ~globalFalse~0) (<= 0 ~globalArgv~0.base) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (<= ~globalArgv~0.base 0) (= (select |#length| 1) 1) (<= 0 ~globalArgv~0.offset) (= (select |#valid| 2) 1) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (<= 0 |#NULL.offset|) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-25 23:21:34,239 INFO L899 garLoopResultBuilder]: For program point L1625-1(lines 1625 1632) no Hoare annotation was computed. [2022-11-25 23:21:34,239 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2022-11-25 23:21:34,239 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2022-11-25 23:21:34,239 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-25 23:21:34,239 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:21:34,240 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-25 23:21:34,240 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= 0 (+ .cse0 2147483648)) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1))) [2022-11-25 23:21:34,240 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2022-11-25 23:21:34,240 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:21:34,241 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-25 23:21:34,241 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-11-25 23:21:34,241 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-11-25 23:21:34,241 INFO L895 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:21:34,241 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2022-11-25 23:21:34,241 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-11-25 23:21:34,242 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:21:34,242 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2022-11-25 23:21:34,242 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2022-11-25 23:21:34,243 INFO L895 garLoopResultBuilder]: At program point L1578-4(lines 1578 1581) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 0 (+ .cse0 2147483648)) (= (select |#length| 6) 18) (<= .cse0 2147483647) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-25 23:21:34,243 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (<= 2147483647 .cse0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1))) [2022-11-25 23:21:34,243 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1556 1572) no Hoare annotation was computed. [2022-11-25 23:21:34,244 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-25 23:21:34,244 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2022-11-25 23:21:34,244 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2022-11-25 23:21:34,244 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2022-11-25 23:21:34,244 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-11-25 23:21:34,244 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueENTRY(lines 1510 1513) the Hoare annotation is: true [2022-11-25 23:21:34,244 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2022-11-25 23:21:34,247 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:34,250 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:21:34,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:21:34 BoogieIcfgContainer [2022-11-25 23:21:34,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:21:34,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:21:34,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:21:34,262 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:21:34,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:03" (3/4) ... [2022-11-25 23:21:34,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:21:34,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:21:34,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2022-11-25 23:21:34,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:21:34,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-11-25 23:21:34,279 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-25 23:21:34,279 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 23:21:34,280 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 23:21:34,280 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:21:34,334 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:21:34,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:21:34,335 INFO L158 Benchmark]: Toolchain (without parser) took 153071.39ms. Allocated memory was 167.8MB in the beginning and 627.0MB in the end (delta: 459.3MB). Free memory was 138.1MB in the beginning and 567.9MB in the end (delta: -429.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-11-25 23:21:34,335 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:21:34,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1607.68ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 74.3MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-25 23:21:34,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.16ms. Allocated memory is still 167.8MB. Free memory was 74.3MB in the beginning and 71.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:21:34,336 INFO L158 Benchmark]: Boogie Preprocessor took 73.27ms. Allocated memory is still 167.8MB. Free memory was 71.1MB in the beginning and 69.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:21:34,336 INFO L158 Benchmark]: RCFGBuilder took 776.35ms. Allocated memory is still 167.8MB. Free memory was 69.2MB in the beginning and 126.3MB in the end (delta: -57.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-25 23:21:34,337 INFO L158 Benchmark]: TraceAbstraction took 150404.91ms. Allocated memory was 167.8MB in the beginning and 627.0MB in the end (delta: 459.3MB). Free memory was 125.2MB in the beginning and 572.0MB in the end (delta: -446.8MB). Peak memory consumption was 374.4MB. Max. memory is 16.1GB. [2022-11-25 23:21:34,337 INFO L158 Benchmark]: Witness Printer took 72.43ms. Allocated memory is still 627.0MB. Free memory was 572.0MB in the beginning and 567.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:21:34,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1607.68ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 74.3MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.16ms. Allocated memory is still 167.8MB. Free memory was 74.3MB in the beginning and 71.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.27ms. Allocated memory is still 167.8MB. Free memory was 71.1MB in the beginning and 69.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 776.35ms. Allocated memory is still 167.8MB. Free memory was 69.2MB in the beginning and 126.3MB in the end (delta: -57.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 150404.91ms. Allocated memory was 167.8MB in the beginning and 627.0MB in the end (delta: 459.3MB). Free memory was 125.2MB in the beginning and 572.0MB in the end (delta: -446.8MB). Peak memory consumption was 374.4MB. Max. memory is 16.1GB. * Witness Printer took 72.43ms. Allocated memory is still 627.0MB. Free memory was 572.0MB in the beginning and 567.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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 5 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 150.3s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 29.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 384 SdHoareTripleChecker+Valid, 15.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 2798 SdHoareTripleChecker+Invalid, 14.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2029 mSDsCounter, 136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5670 IncrementalHoareTripleChecker+Invalid, 5807 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 136 mSolverCounterUnsat, 769 mSDtfsCounter, 5670 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1046 GetRequests, 775 SyntacticMatches, 31 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3356 ImplicationChecksByTransitivity, 80.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=7, InterpolantAutomatonStates: 177, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 51 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 94 PreInvPairs, 122 NumberOfFragments, 1796 HoareAnnotationTreeSize, 94 FomulaSimplifications, 662 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 23 FomulaSimplificationsInter, 25841 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1053 NumberOfCodeBlocks, 1053 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1267 ConstructedInterpolants, 4 QuantifiedInterpolants, 1834 SizeOfPredicates, 25 NumberOfNonLiveVariables, 2650 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 29 InterpolantComputations, 9 PerfectInterpolantSequences, 591/614 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: 31.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 19, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 184, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 115, TOOLS_POST_TIME: 12.1s, TOOLS_POST_CALL_APPLICATIONS: 126, TOOLS_POST_CALL_TIME: 12.0s, TOOLS_POST_RETURN_APPLICATIONS: 84, TOOLS_POST_RETURN_TIME: 4.6s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 325, TOOLS_QUANTIFIERELIM_TIME: 28.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 451, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 111, DOMAIN_JOIN_TIME: 2.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 184, DOMAIN_ISBOTTOM_TIME: 0.5s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 84, CALL_SUMMARIZER_CACHE_MISSES: 15, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 4989, DAG_COMPRESSION_RETAINED_NODES: 463, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 23:21:34,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3271f6b3-1700-467e-942c-ef78fc402d98/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