./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0 --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 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 --- 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-e04fb08 [2022-11-16 15:56:53,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:56:53,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:56:53,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:56:53,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:56:53,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:56:53,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:56:53,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:56:53,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:56:53,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:56:53,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:56:53,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:56:53,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:56:53,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:56:53,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:56:53,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:56:53,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:56:53,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:56:53,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:56:53,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:56:53,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:56:53,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:56:53,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:56:53,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:56:53,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:56:53,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:56:53,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:56:53,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:56:53,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:56:53,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:56:53,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:56:53,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:56:53,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:56:53,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:56:53,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:56:53,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:56:53,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:56:53,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:56:53,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:56:53,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:56:53,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:56:53,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-16 15:56:53,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:56:53,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:56:53,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:56:53,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:56:53,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:56:53,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:56:53,698 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:56:53,698 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:56:53,698 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:56:53,699 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:56:53,700 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:56:53,700 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:56:53,700 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:56:53,700 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:56:53,708 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:56:53,708 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:56:53,709 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:56:53,709 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:56:53,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:56:53,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 15:56:53,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:56:53,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:56:53,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 15:56:53,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:56:53,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 15:56:53,712 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 15:56:53,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 15:56:53,712 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:56:53,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 15:56:53,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:56:53,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:56:53,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:56:53,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:56:53,714 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:56:53,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:56:53,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 15:56:53,715 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:56:53,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:56:53,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 15:56:53,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:56:53,715 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_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 [2022-11-16 15:56:54,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:56:54,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:56:54,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:56:54,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:56:54,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:56:54,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/termination-restricted-15/b.10.c [2022-11-16 15:56:54,148 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/data/08e76eaf5/06e4ebf74c9246e0b74e95c79c451ce2/FLAG09d3d9888 [2022-11-16 15:56:54,690 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:56:54,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/sv-benchmarks/c/termination-restricted-15/b.10.c [2022-11-16 15:56:54,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/data/08e76eaf5/06e4ebf74c9246e0b74e95c79c451ce2/FLAG09d3d9888 [2022-11-16 15:56:55,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/data/08e76eaf5/06e4ebf74c9246e0b74e95c79c451ce2 [2022-11-16 15:56:55,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:56:55,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:56:55,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:56:55,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:56:55,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:56:55,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4f8b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55, skipping insertion in model container [2022-11-16 15:56:55,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:56:55,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:56:55,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:56:55,293 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 15:56:55,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:56:55,321 INFO L208 MainTranslator]: Completed translation [2022-11-16 15:56:55,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55 WrapperNode [2022-11-16 15:56:55,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:56:55,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 15:56:55,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 15:56:55,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 15:56:55,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,358 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2022-11-16 15:56:55,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 15:56:55,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 15:56:55,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 15:56:55,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 15:56:55,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,398 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 15:56:55,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 15:56:55,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 15:56:55,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 15:56:55,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (1/1) ... [2022-11-16 15:56:55,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:56:55,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:56:55,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 15:56:55,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 15:56:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 15:56:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 15:56:55,568 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 15:56:55,571 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 15:56:55,796 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 15:56:55,818 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 15:56:55,818 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 15:56:55,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:56:55 BoogieIcfgContainer [2022-11-16 15:56:55,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 15:56:55,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 15:56:55,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 15:56:55,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 15:56:55,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:56:55" (1/3) ... [2022-11-16 15:56:55,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3d5abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:56:55, skipping insertion in model container [2022-11-16 15:56:55,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:56:55" (2/3) ... [2022-11-16 15:56:55,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3d5abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:56:55, skipping insertion in model container [2022-11-16 15:56:55,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:56:55" (3/3) ... [2022-11-16 15:56:55,836 INFO L112 eAbstractionObserver]: Analyzing ICFG b.10.c [2022-11-16 15:56:55,871 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 15:56:55,885 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-16 15:56:55,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 15:56:56,020 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;@1f40727a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 15:56:56,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-16 15:56:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.7826086956521738) internal successors, (41), 33 states have internal predecessors, (41), 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) [2022-11-16 15:56:56,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 15:56:56,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:56,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 15:56:56,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:56,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:56,058 INFO L85 PathProgramCache]: Analyzing trace with hash 3284058, now seen corresponding path program 1 times [2022-11-16 15:56:56,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:56,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428775488] [2022-11-16 15:56:56,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:56,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:56,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:56,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428775488] [2022-11-16 15:56:56,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428775488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:56,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:56,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 15:56:56,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846416480] [2022-11-16 15:56:56,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:56,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:56:56,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:56,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:56:56,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:56:56,405 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.7826086956521738) internal successors, (41), 33 states have internal predecessors, (41), 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) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:56,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:56,583 INFO L93 Difference]: Finished difference Result 60 states and 74 transitions. [2022-11-16 15:56:56,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:56:56,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-16 15:56:56,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:56,604 INFO L225 Difference]: With dead ends: 60 [2022-11-16 15:56:56,605 INFO L226 Difference]: Without dead ends: 51 [2022-11-16 15:56:56,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:56:56,615 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 50 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:56,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 57 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 15:56:56,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-16 15:56:56,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2022-11-16 15:56:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.641025641025641) internal successors, (64), 46 states have internal predecessors, (64), 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) [2022-11-16 15:56:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 64 transitions. [2022-11-16 15:56:56,663 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 64 transitions. Word has length 4 [2022-11-16 15:56:56,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:56,664 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 64 transitions. [2022-11-16 15:56:56,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-11-16 15:56:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 15:56:56,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:56,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 15:56:56,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 15:56:56,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:56,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:56,670 INFO L85 PathProgramCache]: Analyzing trace with hash 101805842, now seen corresponding path program 1 times [2022-11-16 15:56:56,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:56,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261798718] [2022-11-16 15:56:56,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:56,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:56,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:56,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261798718] [2022-11-16 15:56:56,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261798718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:56,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:56,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 15:56:56,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335045726] [2022-11-16 15:56:56,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:56,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:56:56,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:56,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:56:56,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:56:56,712 INFO L87 Difference]: Start difference. First operand 47 states and 64 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-16 15:56:56,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:56,765 INFO L93 Difference]: Finished difference Result 47 states and 64 transitions. [2022-11-16 15:56:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:56:56,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 15:56:56,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:56,767 INFO L225 Difference]: With dead ends: 47 [2022-11-16 15:56:56,769 INFO L226 Difference]: Without dead ends: 44 [2022-11-16 15:56:56,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:56:56,771 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:56,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 17 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 15:56:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-16 15:56:56,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-16 15:56:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 43 states have internal predecessors, (60), 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) [2022-11-16 15:56:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2022-11-16 15:56:56,788 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 5 [2022-11-16 15:56:56,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:56,789 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2022-11-16 15:56:56,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-16 15:56:56,790 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-11-16 15:56:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 15:56:56,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:56,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:56,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 15:56:56,794 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:56,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:56,796 INFO L85 PathProgramCache]: Analyzing trace with hash -943103331, now seen corresponding path program 1 times [2022-11-16 15:56:56,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:56,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768767338] [2022-11-16 15:56:56,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:56,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:56,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:56,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768767338] [2022-11-16 15:56:56,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768767338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:56,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:56,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 15:56:56,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014743939] [2022-11-16 15:56:56,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:56,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:56:56,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:56,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:56:56,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:56:56,866 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:56,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:56,923 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-11-16 15:56:56,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:56:56,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-16 15:56:56,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:56,925 INFO L225 Difference]: With dead ends: 44 [2022-11-16 15:56:56,925 INFO L226 Difference]: Without dead ends: 43 [2022-11-16 15:56:56,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:56:56,927 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:56,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 15:56:56,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-16 15:56:56,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 26. [2022-11-16 15:56:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 25 states have internal predecessors, (32), 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) [2022-11-16 15:56:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2022-11-16 15:56:56,933 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 7 [2022-11-16 15:56:56,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:56,933 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-11-16 15:56:56,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-16 15:56:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 15:56:56,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:56,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:56,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 15:56:56,950 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:56,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:56,951 INFO L85 PathProgramCache]: Analyzing trace with hash 828518251, now seen corresponding path program 1 times [2022-11-16 15:56:56,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:56,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416999809] [2022-11-16 15:56:56,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:56,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:56,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:56,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416999809] [2022-11-16 15:56:56,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416999809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:56,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:56,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 15:56:56,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184457501] [2022-11-16 15:56:56,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:56,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:56:56,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:56,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:56:56,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:56:56,995 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-16 15:56:57,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:57,026 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2022-11-16 15:56:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 15:56:57,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 15:56:57,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:57,027 INFO L225 Difference]: With dead ends: 64 [2022-11-16 15:56:57,027 INFO L226 Difference]: Without dead ends: 39 [2022-11-16 15:56:57,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:56:57,029 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 23 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:57,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 75 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 15:56:57,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-16 15:56:57,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 28. [2022-11-16 15:56:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 27 states have internal predecessors, (34), 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) [2022-11-16 15:56:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2022-11-16 15:56:57,035 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 8 [2022-11-16 15:56:57,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:57,035 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-11-16 15:56:57,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-16 15:56:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-16 15:56:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 15:56:57,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:57,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:57,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 15:56:57,037 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:57,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:57,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1690502119, now seen corresponding path program 1 times [2022-11-16 15:56:57,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:57,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371852033] [2022-11-16 15:56:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:57,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:57,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:57,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371852033] [2022-11-16 15:56:57,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371852033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:57,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:57,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 15:56:57,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770163104] [2022-11-16 15:56:57,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:57,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 15:56:57,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:57,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 15:56:57,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:56:57,116 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-11-16 15:56:57,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:57,258 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions. [2022-11-16 15:56:57,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 15:56:57,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-16 15:56:57,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:57,259 INFO L225 Difference]: With dead ends: 75 [2022-11-16 15:56:57,260 INFO L226 Difference]: Without dead ends: 47 [2022-11-16 15:56:57,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 15:56:57,261 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 29 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:57,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 94 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 15:56:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-16 15:56:57,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2022-11-16 15:56:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 42 states have internal predecessors, (55), 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) [2022-11-16 15:56:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2022-11-16 15:56:57,268 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 10 [2022-11-16 15:56:57,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:57,268 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions. [2022-11-16 15:56:57,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-11-16 15:56:57,269 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-16 15:56:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 15:56:57,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:57,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:57,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 15:56:57,270 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:57,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:57,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1477459025, now seen corresponding path program 1 times [2022-11-16 15:56:57,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:57,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425841651] [2022-11-16 15:56:57,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:57,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:57,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:57,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425841651] [2022-11-16 15:56:57,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425841651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:57,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:57,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 15:56:57,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289634534] [2022-11-16 15:56:57,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:57,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 15:56:57,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:57,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 15:56:57,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:56:57,359 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-11-16 15:56:57,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:57,464 INFO L93 Difference]: Finished difference Result 84 states and 109 transitions. [2022-11-16 15:56:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 15:56:57,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-16 15:56:57,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:57,466 INFO L225 Difference]: With dead ends: 84 [2022-11-16 15:56:57,466 INFO L226 Difference]: Without dead ends: 83 [2022-11-16 15:56:57,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-16 15:56:57,467 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 85 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:57,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 25 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 15:56:57,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-16 15:56:57,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2022-11-16 15:56:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 80 states have internal predecessors, (107), 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) [2022-11-16 15:56:57,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 107 transitions. [2022-11-16 15:56:57,482 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 107 transitions. Word has length 10 [2022-11-16 15:56:57,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:57,483 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 107 transitions. [2022-11-16 15:56:57,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-11-16 15:56:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2022-11-16 15:56:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 15:56:57,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:57,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:57,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 15:56:57,485 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:57,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:57,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1443410554, now seen corresponding path program 1 times [2022-11-16 15:56:57,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:57,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073984629] [2022-11-16 15:56:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:57,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:57,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:57,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073984629] [2022-11-16 15:56:57,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073984629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:57,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:57,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:56:57,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781602199] [2022-11-16 15:56:57,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:57,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:56:57,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:57,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:56:57,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:56:57,544 INFO L87 Difference]: Start difference. First operand 81 states and 107 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:57,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:57,613 INFO L93 Difference]: Finished difference Result 124 states and 160 transitions. [2022-11-16 15:56:57,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:56:57,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-16 15:56:57,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:57,616 INFO L225 Difference]: With dead ends: 124 [2022-11-16 15:56:57,616 INFO L226 Difference]: Without dead ends: 123 [2022-11-16 15:56:57,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:56:57,617 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 60 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:57,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 29 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 15:56:57,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-11-16 15:56:57,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 115. [2022-11-16 15:56:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 114 states have internal predecessors, (146), 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) [2022-11-16 15:56:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 146 transitions. [2022-11-16 15:56:57,645 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 146 transitions. Word has length 11 [2022-11-16 15:56:57,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:57,645 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 146 transitions. [2022-11-16 15:56:57,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:57,646 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2022-11-16 15:56:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 15:56:57,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:57,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:57,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 15:56:57,650 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:57,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:57,651 INFO L85 PathProgramCache]: Analyzing trace with hash -132623901, now seen corresponding path program 1 times [2022-11-16 15:56:57,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:57,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581835706] [2022-11-16 15:56:57,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:57,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:57,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:57,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581835706] [2022-11-16 15:56:57,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581835706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:57,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:57,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 15:56:57,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911008699] [2022-11-16 15:56:57,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:57,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 15:56:57,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:57,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 15:56:57,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:56:57,743 INFO L87 Difference]: Start difference. First operand 115 states and 146 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-11-16 15:56:57,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:57,832 INFO L93 Difference]: Finished difference Result 117 states and 146 transitions. [2022-11-16 15:56:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 15:56:57,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-16 15:56:57,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:57,834 INFO L225 Difference]: With dead ends: 117 [2022-11-16 15:56:57,834 INFO L226 Difference]: Without dead ends: 115 [2022-11-16 15:56:57,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 15:56:57,835 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 57 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:57,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 35 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 15:56:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-16 15:56:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 82. [2022-11-16 15:56:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 79 states have (on average 1.2911392405063291) internal successors, (102), 81 states have internal predecessors, (102), 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) [2022-11-16 15:56:57,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2022-11-16 15:56:57,847 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 12 [2022-11-16 15:56:57,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:57,848 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions. [2022-11-16 15:56:57,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-11-16 15:56:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2022-11-16 15:56:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 15:56:57,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:57,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:57,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 15:56:57,849 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:57,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:57,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1849464619, now seen corresponding path program 1 times [2022-11-16 15:56:57,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:57,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445943785] [2022-11-16 15:56:57,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:57,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:57,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:57,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:57,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445943785] [2022-11-16 15:56:57,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445943785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:57,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:57,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 15:56:57,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704401956] [2022-11-16 15:56:57,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:57,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 15:56:57,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:57,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 15:56:57,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:56:57,936 INFO L87 Difference]: Start difference. First operand 82 states and 102 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-16 15:56:57,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:57,979 INFO L93 Difference]: Finished difference Result 172 states and 213 transitions. [2022-11-16 15:56:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 15:56:57,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-16 15:56:57,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:57,980 INFO L225 Difference]: With dead ends: 172 [2022-11-16 15:56:57,980 INFO L226 Difference]: Without dead ends: 79 [2022-11-16 15:56:57,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 15:56:57,982 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 9 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:57,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 99 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 15:56:57,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-16 15:56:58,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-16 15:56:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 76 states have (on average 1.2105263157894737) internal successors, (92), 78 states have internal predecessors, (92), 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) [2022-11-16 15:56:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2022-11-16 15:56:58,005 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 12 [2022-11-16 15:56:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:58,005 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2022-11-16 15:56:58,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-16 15:56:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2022-11-16 15:56:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 15:56:58,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:58,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:58,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 15:56:58,008 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:58,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:58,010 INFO L85 PathProgramCache]: Analyzing trace with hash 183626438, now seen corresponding path program 1 times [2022-11-16 15:56:58,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:58,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140578499] [2022-11-16 15:56:58,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:58,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:58,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:58,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140578499] [2022-11-16 15:56:58,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140578499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:58,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:58,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 15:56:58,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534021248] [2022-11-16 15:56:58,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:58,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 15:56:58,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:58,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 15:56:58,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-16 15:56:58,173 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:58,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:58,288 INFO L93 Difference]: Finished difference Result 104 states and 119 transitions. [2022-11-16 15:56:58,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 15:56:58,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-16 15:56:58,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:58,289 INFO L225 Difference]: With dead ends: 104 [2022-11-16 15:56:58,289 INFO L226 Difference]: Without dead ends: 103 [2022-11-16 15:56:58,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-16 15:56:58,291 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 50 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:58,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 37 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 15:56:58,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-16 15:56:58,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 62. [2022-11-16 15:56:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 61 states have internal predecessors, (73), 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) [2022-11-16 15:56:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2022-11-16 15:56:58,309 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 13 [2022-11-16 15:56:58,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:58,310 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2022-11-16 15:56:58,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2022-11-16 15:56:58,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 15:56:58,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:58,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:58,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 15:56:58,313 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:58,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:58,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1988484057, now seen corresponding path program 1 times [2022-11-16 15:56:58,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:58,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362006393] [2022-11-16 15:56:58,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:58,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:58,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:58,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362006393] [2022-11-16 15:56:58,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362006393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:58,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:58,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 15:56:58,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928678256] [2022-11-16 15:56:58,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:58,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:56:58,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:58,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:56:58,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:56:58,388 INFO L87 Difference]: Start difference. First operand 62 states and 73 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-11-16 15:56:58,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:58,428 INFO L93 Difference]: Finished difference Result 112 states and 131 transitions. [2022-11-16 15:56:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:56:58,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-16 15:56:58,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:58,429 INFO L225 Difference]: With dead ends: 112 [2022-11-16 15:56:58,430 INFO L226 Difference]: Without dead ends: 46 [2022-11-16 15:56:58,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:56:58,433 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 18 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:58,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 52 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 15:56:58,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-16 15:56:58,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2022-11-16 15:56:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 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) [2022-11-16 15:56:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-11-16 15:56:58,443 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 14 [2022-11-16 15:56:58,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:58,448 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-11-16 15:56:58,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-11-16 15:56:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-11-16 15:56:58,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 15:56:58,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:58,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:58,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 15:56:58,453 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 15:56:58,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:58,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1033532420, now seen corresponding path program 1 times [2022-11-16 15:56:58,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:58,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375834402] [2022-11-16 15:56:58,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:58,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:58,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:58,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375834402] [2022-11-16 15:56:58,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375834402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:58,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:58,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:56:58,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761001558] [2022-11-16 15:56:58,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:58,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:56:58,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:58,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:56:58,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:56:58,497 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-16 15:56:58,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:58,510 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-11-16 15:56:58,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:56:58,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-16 15:56:58,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:58,511 INFO L225 Difference]: With dead ends: 38 [2022-11-16 15:56:58,512 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 15:56:58,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:56:58,516 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:58,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 15:56:58,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 15:56:58,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 15:56:58,518 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) [2022-11-16 15:56:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 15:56:58,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-11-16 15:56:58,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:58,518 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 15:56:58,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-16 15:56:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 15:56:58,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 15:56:58,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-16 15:56:58,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-16 15:56:58,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-16 15:56:58,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-16 15:56:58,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-16 15:56:58,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-16 15:56:58,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-16 15:56:58,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-16 15:56:58,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-16 15:56:58,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-16 15:56:58,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 15:56:58,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 15:56:58,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,647 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 19) no Hoare annotation was computed. [2022-11-16 15:56:58,647 INFO L895 garLoopResultBuilder]: At program point L15-2(lines 11 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2022-11-16 15:56:58,648 INFO L899 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,648 INFO L899 garLoopResultBuilder]: For program point L11-2(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,648 INFO L899 garLoopResultBuilder]: For program point L11-3(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-16 15:56:58,648 INFO L899 garLoopResultBuilder]: For program point L11-5(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,649 INFO L899 garLoopResultBuilder]: For program point L11-6(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,649 INFO L899 garLoopResultBuilder]: For program point L11-8(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,649 INFO L899 garLoopResultBuilder]: For program point L11-9(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,649 INFO L899 garLoopResultBuilder]: For program point L11-10(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,649 INFO L899 garLoopResultBuilder]: For program point L11-12(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,650 INFO L899 garLoopResultBuilder]: For program point L11-13(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 15:56:58,650 INFO L899 garLoopResultBuilder]: For program point L11-14(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,650 INFO L899 garLoopResultBuilder]: For program point L11-15(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,650 INFO L899 garLoopResultBuilder]: For program point L11-16(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,651 INFO L899 garLoopResultBuilder]: For program point L11-18(lines 11 21) no Hoare annotation was computed. [2022-11-16 15:56:58,651 INFO L902 garLoopResultBuilder]: At program point L11-20(lines 11 21) the Hoare annotation is: true [2022-11-16 15:56:58,651 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-11-16 15:56:58,651 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2022-11-16 15:56:58,651 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 20) no Hoare annotation was computed. [2022-11-16 15:56:58,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2022-11-16 15:56:58,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 15:56:58,653 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,653 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-16 15:56:58,653 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-16 15:56:58,653 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2022-11-16 15:56:58,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-16 15:56:58,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-16 15:56:58,659 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:58,662 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 15:56:58,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:56:58 BoogieIcfgContainer [2022-11-16 15:56:58,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 15:56:58,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 15:56:58,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 15:56:58,685 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 15:56:58,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:56:55" (3/4) ... [2022-11-16 15:56:58,689 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 15:56:58,701 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 15:56:58,702 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 15:56:58,702 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 15:56:58,748 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 15:56:58,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 15:56:58,749 INFO L158 Benchmark]: Toolchain (without parser) took 3685.42ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 70.7MB in the beginning and 68.0MB in the end (delta: 2.6MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-16 15:56:58,749 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:56:58,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.30ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 89.3MB in the end (delta: -18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 15:56:58,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.35ms. Allocated memory is still 113.2MB. Free memory was 89.3MB in the beginning and 87.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 15:56:58,751 INFO L158 Benchmark]: Boogie Preprocessor took 44.65ms. Allocated memory is still 113.2MB. Free memory was 87.8MB in the beginning and 86.8MB in the end (delta: 939.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:56:58,752 INFO L158 Benchmark]: RCFGBuilder took 416.64ms. Allocated memory is still 113.2MB. Free memory was 86.8MB in the beginning and 75.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 15:56:58,753 INFO L158 Benchmark]: TraceAbstraction took 2860.78ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 74.6MB in the beginning and 70.1MB in the end (delta: 4.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-16 15:56:58,753 INFO L158 Benchmark]: Witness Printer took 63.54ms. Allocated memory is still 136.3MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 15:56:58,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.30ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 89.3MB in the end (delta: -18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.35ms. Allocated memory is still 113.2MB. Free memory was 89.3MB in the beginning and 87.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.65ms. Allocated memory is still 113.2MB. Free memory was 87.8MB in the beginning and 86.8MB in the end (delta: 939.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 416.64ms. Allocated memory is still 113.2MB. Free memory was 86.8MB in the beginning and 75.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2860.78ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 74.6MB in the beginning and 70.1MB in the end (delta: 4.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 63.54ms. Allocated memory is still 136.3MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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 1 procedures, 34 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 434 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 434 mSDsluCounter, 577 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 288 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 462 IncrementalHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 289 mSDtfsCounter, 462 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=7, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 128 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 18 HoareAnnotationTreeSize, 2 FomulaSimplifications, 72 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 2 FomulaSimplificationsInter, 280 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 345 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-16 15:56:58,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8e59e-32cb-4d71-976c-21d4acb72dfb/bin/utaipan-Xvt2sAort0/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