./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba --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 19c4f50c1c30200713fbcdbec18b529659891db55faddca307b1d283ef9ba238 --- 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-b5237d8 [2022-11-22 00:12:09,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:12:09,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:12:09,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:12:09,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:12:09,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:12:09,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:12:09,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:12:09,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:12:09,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:12:09,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:12:09,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:12:09,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:12:09,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:12:09,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:12:09,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:12:09,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:12:09,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:12:09,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:12:09,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:12:09,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:12:09,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:12:09,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:12:09,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:12:09,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:12:09,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:12:09,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:12:09,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:12:09,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:12:09,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:12:09,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:12:09,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:12:09,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:12:09,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:12:09,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:12:09,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:12:09,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:12:09,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:12:09,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:12:09,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:12:09,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:12:09,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 00:12:09,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:12:09,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:12:09,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:12:09,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:12:09,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:12:09,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:12:09,657 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:12:09,657 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:12:09,657 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:12:09,657 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:12:09,658 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:12:09,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:12:09,659 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:12:09,659 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:12:09,659 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:12:09,660 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:12:09,660 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:12:09,660 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:12:09,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:12:09,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:12:09,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:12:09,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:12:09,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:12:09,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:12:09,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:12:09,662 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:12:09,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:12:09,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:12:09,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:12:09,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:12:09,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:12:09,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:12:09,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:12:09,665 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:12:09,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:12:09,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:12:09,665 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:12:09,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:12:09,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:12:09,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:12:09,666 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_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19c4f50c1c30200713fbcdbec18b529659891db55faddca307b1d283ef9ba238 [2022-11-22 00:12:09,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:12:10,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:12:10,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:12:10,039 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:12:10,040 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:12:10,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_15_good.i [2022-11-22 00:12:13,033 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:12:13,457 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:12:13,463 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_15_good.i [2022-11-22 00:12:13,496 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/data/707e2ff38/e288091b9f21487f9b10dfe5761c7303/FLAG1fe32a9f8 [2022-11-22 00:12:13,516 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/data/707e2ff38/e288091b9f21487f9b10dfe5761c7303 [2022-11-22 00:12:13,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:12:13,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:12:13,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:12:13,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:12:13,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:12:13,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:12:13" (1/1) ... [2022-11-22 00:12:13,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643aed4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:13, skipping insertion in model container [2022-11-22 00:12:13,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:12:13" (1/1) ... [2022-11-22 00:12:13,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:12:13,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:12:14,025 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:12:14,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:12:14,622 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:12:14,646 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:12:14,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:12:14,992 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:12:14,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14 WrapperNode [2022-11-22 00:12:14,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:12:14,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:12:14,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:12:14,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:12:15,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,082 INFO L138 Inliner]: procedures = 503, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 149 [2022-11-22 00:12:15,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:12:15,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:12:15,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:12:15,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:12:15,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,110 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:12:15,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:12:15,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:12:15,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:12:15,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (1/1) ... [2022-11-22 00:12:15,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:12:15,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:12:15,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:12:15,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:12:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-22 00:12:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-22 00:12:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 00:12:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 00:12:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:12:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:12:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:12:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 00:12:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:12:15,420 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:12:15,437 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:12:15,804 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:12:15,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:12:15,840 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:12:15,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:12:15 BoogieIcfgContainer [2022-11-22 00:12:15,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:12:15,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:12:15,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:12:15,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:12:15,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:12:13" (1/3) ... [2022-11-22 00:12:15,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ee4fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:12:15, skipping insertion in model container [2022-11-22 00:12:15,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:14" (2/3) ... [2022-11-22 00:12:15,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ee4fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:12:15, skipping insertion in model container [2022-11-22 00:12:15,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:12:15" (3/3) ... [2022-11-22 00:12:15,863 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_15_good.i [2022-11-22 00:12:15,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:12:15,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-22 00:12:15,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:12:15,969 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;@397ba9e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:12:15,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-22 00:12:15,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 64 states have internal predecessors, (71), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-22 00:12:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 00:12:15,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:15,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:15,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:15,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:15,989 INFO L85 PathProgramCache]: Analyzing trace with hash -461126305, now seen corresponding path program 1 times [2022-11-22 00:12:15,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:16,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083400208] [2022-11-22 00:12:16,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:16,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:16,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:16,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083400208] [2022-11-22 00:12:16,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083400208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:16,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:16,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:16,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760458748] [2022-11-22 00:12:16,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:16,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:16,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:16,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:16,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:16,428 INFO L87 Difference]: Start difference. First operand has 69 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 64 states have internal predecessors, (71), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:12:16,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:16,536 INFO L93 Difference]: Finished difference Result 179 states and 268 transitions. [2022-11-22 00:12:16,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:16,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-22 00:12:16,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:16,549 INFO L225 Difference]: With dead ends: 179 [2022-11-22 00:12:16,550 INFO L226 Difference]: Without dead ends: 109 [2022-11-22 00:12:16,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:16,557 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 53 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:16,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 189 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:12:16,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-22 00:12:16,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 67. [2022-11-22 00:12:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.6136363636363635) internal successors, (71), 63 states have internal predecessors, (71), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-22 00:12:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 97 transitions. [2022-11-22 00:12:16,607 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 97 transitions. Word has length 12 [2022-11-22 00:12:16,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:16,608 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 97 transitions. [2022-11-22 00:12:16,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:12:16,608 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2022-11-22 00:12:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 00:12:16,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:16,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:16,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:12:16,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:16,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:16,611 INFO L85 PathProgramCache]: Analyzing trace with hash 125962028, now seen corresponding path program 1 times [2022-11-22 00:12:16,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:16,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226703947] [2022-11-22 00:12:16,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:16,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:16,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:16,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226703947] [2022-11-22 00:12:16,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226703947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:16,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:16,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:16,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625190431] [2022-11-22 00:12:16,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:16,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:16,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:16,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:16,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:16,702 INFO L87 Difference]: Start difference. First operand 67 states and 97 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:12:16,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:16,732 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2022-11-22 00:12:16,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:16,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-22 00:12:16,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:16,734 INFO L225 Difference]: With dead ends: 113 [2022-11-22 00:12:16,734 INFO L226 Difference]: Without dead ends: 55 [2022-11-22 00:12:16,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:16,736 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 1 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:16,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 136 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:16,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-22 00:12:16,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-22 00:12:16,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 51 states have internal predecessors, (55), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-22 00:12:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2022-11-22 00:12:16,746 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 13 [2022-11-22 00:12:16,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:16,746 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2022-11-22 00:12:16,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:12:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2022-11-22 00:12:16,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 00:12:16,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:16,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:16,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:12:16,748 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:16,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:16,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1346827021, now seen corresponding path program 1 times [2022-11-22 00:12:16,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:16,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090920076] [2022-11-22 00:12:16,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:16,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:16,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:16,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090920076] [2022-11-22 00:12:16,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090920076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:16,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:16,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:16,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330500335] [2022-11-22 00:12:16,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:16,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:16,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:16,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:16,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:16,816 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:12:16,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:16,846 INFO L93 Difference]: Finished difference Result 99 states and 138 transitions. [2022-11-22 00:12:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:16,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-22 00:12:16,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:16,848 INFO L225 Difference]: With dead ends: 99 [2022-11-22 00:12:16,849 INFO L226 Difference]: Without dead ends: 55 [2022-11-22 00:12:16,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:16,851 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 3 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:16,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 128 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-22 00:12:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-22 00:12:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.5) internal successors, (54), 50 states have internal predecessors, (54), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-22 00:12:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 76 transitions. [2022-11-22 00:12:16,860 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 76 transitions. Word has length 16 [2022-11-22 00:12:16,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:16,861 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 76 transitions. [2022-11-22 00:12:16,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:12:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2022-11-22 00:12:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 00:12:16,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:16,863 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:16,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:12:16,863 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:16,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:16,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1669471638, now seen corresponding path program 1 times [2022-11-22 00:12:16,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:16,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55638443] [2022-11-22 00:12:16,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:16,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:16,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:12:16,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:16,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55638443] [2022-11-22 00:12:16,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55638443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:16,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:16,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:16,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884210954] [2022-11-22 00:12:16,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:16,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:16,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:16,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:16,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:16,917 INFO L87 Difference]: Start difference. First operand 55 states and 76 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:12:16,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:16,950 INFO L93 Difference]: Finished difference Result 99 states and 137 transitions. [2022-11-22 00:12:16,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:16,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-11-22 00:12:16,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:16,952 INFO L225 Difference]: With dead ends: 99 [2022-11-22 00:12:16,952 INFO L226 Difference]: Without dead ends: 54 [2022-11-22 00:12:16,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:16,954 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:16,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:16,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-22 00:12:16,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-22 00:12:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 49 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 00:12:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2022-11-22 00:12:16,962 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 73 transitions. Word has length 18 [2022-11-22 00:12:16,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:16,962 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 73 transitions. [2022-11-22 00:12:16,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:12:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2022-11-22 00:12:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 00:12:16,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:16,964 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:16,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:12:16,964 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:16,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:16,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1526614813, now seen corresponding path program 1 times [2022-11-22 00:12:16,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:16,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318605882] [2022-11-22 00:12:16,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:16,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:12:17,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:17,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318605882] [2022-11-22 00:12:17,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318605882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:17,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:17,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:17,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732696379] [2022-11-22 00:12:17,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:17,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:17,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:17,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:17,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,034 INFO L87 Difference]: Start difference. First operand 54 states and 73 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:12:17,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:17,088 INFO L93 Difference]: Finished difference Result 118 states and 160 transitions. [2022-11-22 00:12:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:17,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-22 00:12:17,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:17,097 INFO L225 Difference]: With dead ends: 118 [2022-11-22 00:12:17,097 INFO L226 Difference]: Without dead ends: 85 [2022-11-22 00:12:17,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,100 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 29 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:17,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:17,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-22 00:12:17,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 58. [2022-11-22 00:12:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.45) internal successors, (58), 53 states have internal predecessors, (58), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 00:12:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2022-11-22 00:12:17,121 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 21 [2022-11-22 00:12:17,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:17,128 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2022-11-22 00:12:17,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:12:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-22 00:12:17,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 00:12:17,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:17,131 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:17,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:12:17,131 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:17,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:17,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1795305240, now seen corresponding path program 1 times [2022-11-22 00:12:17,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:17,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036519652] [2022-11-22 00:12:17,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:17,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:12:17,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:17,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036519652] [2022-11-22 00:12:17,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036519652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:17,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:17,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:17,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830996156] [2022-11-22 00:12:17,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:17,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:17,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:17,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:17,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,226 INFO L87 Difference]: Start difference. First operand 58 states and 78 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:12:17,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:17,266 INFO L93 Difference]: Finished difference Result 89 states and 119 transitions. [2022-11-22 00:12:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:17,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-22 00:12:17,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:17,272 INFO L225 Difference]: With dead ends: 89 [2022-11-22 00:12:17,272 INFO L226 Difference]: Without dead ends: 47 [2022-11-22 00:12:17,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,274 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:17,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 103 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:17,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-22 00:12:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-22 00:12:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 42 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-22 00:12:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2022-11-22 00:12:17,282 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 22 [2022-11-22 00:12:17,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:17,282 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions. [2022-11-22 00:12:17,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:12:17,293 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2022-11-22 00:12:17,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 00:12:17,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:17,294 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:17,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:12:17,294 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:17,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:17,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1394536371, now seen corresponding path program 1 times [2022-11-22 00:12:17,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:17,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033681113] [2022-11-22 00:12:17,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:17,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:12:17,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:17,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033681113] [2022-11-22 00:12:17,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033681113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:17,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:17,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:17,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098247842] [2022-11-22 00:12:17,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:17,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:17,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:17,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:17,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,369 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:12:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:17,398 INFO L93 Difference]: Finished difference Result 75 states and 95 transitions. [2022-11-22 00:12:17,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:17,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-22 00:12:17,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:17,405 INFO L225 Difference]: With dead ends: 75 [2022-11-22 00:12:17,406 INFO L226 Difference]: Without dead ends: 45 [2022-11-22 00:12:17,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,408 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 3 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:17,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 90 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:17,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-22 00:12:17,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-22 00:12:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.28125) internal successors, (41), 39 states have internal predecessors, (41), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-22 00:12:17,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2022-11-22 00:12:17,415 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 25 [2022-11-22 00:12:17,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:17,415 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2022-11-22 00:12:17,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:12:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-11-22 00:12:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-22 00:12:17,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:17,417 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:17,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 00:12:17,417 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:17,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:17,418 INFO L85 PathProgramCache]: Analyzing trace with hash -224055581, now seen corresponding path program 1 times [2022-11-22 00:12:17,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:17,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734225932] [2022-11-22 00:12:17,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:17,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:12:17,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:17,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734225932] [2022-11-22 00:12:17,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734225932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:17,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:17,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:12:17,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257180875] [2022-11-22 00:12:17,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:17,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:17,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:17,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:17,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,490 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:12:17,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:17,521 INFO L93 Difference]: Finished difference Result 79 states and 97 transitions. [2022-11-22 00:12:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:17,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2022-11-22 00:12:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:17,523 INFO L225 Difference]: With dead ends: 79 [2022-11-22 00:12:17,523 INFO L226 Difference]: Without dead ends: 64 [2022-11-22 00:12:17,524 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 [2022-11-22 00:12:17,525 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 16 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:17,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 90 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:17,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-22 00:12:17,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 50. [2022-11-22 00:12:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 43 states have internal predecessors, (47), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-22 00:12:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2022-11-22 00:12:17,532 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 29 [2022-11-22 00:12:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:17,532 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2022-11-22 00:12:17,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:12:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-11-22 00:12:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-22 00:12:17,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:17,534 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:17,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 00:12:17,534 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:17,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:17,535 INFO L85 PathProgramCache]: Analyzing trace with hash -2024140449, now seen corresponding path program 1 times [2022-11-22 00:12:17,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:17,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733197304] [2022-11-22 00:12:17,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:17,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 00:12:17,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:17,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733197304] [2022-11-22 00:12:17,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733197304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:17,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:17,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:17,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77393190] [2022-11-22 00:12:17,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:17,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:17,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:17,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:17,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,577 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 00:12:17,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:17,594 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2022-11-22 00:12:17,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:17,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2022-11-22 00:12:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:17,596 INFO L225 Difference]: With dead ends: 68 [2022-11-22 00:12:17,596 INFO L226 Difference]: Without dead ends: 42 [2022-11-22 00:12:17,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,597 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:17,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:17,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-22 00:12:17,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-22 00:12:17,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.15625) internal successors, (37), 36 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 00:12:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2022-11-22 00:12:17,604 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 32 [2022-11-22 00:12:17,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:17,604 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2022-11-22 00:12:17,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 00:12:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-11-22 00:12:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 00:12:17,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:17,606 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:17,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 00:12:17,607 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:17,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:17,607 INFO L85 PathProgramCache]: Analyzing trace with hash 859924822, now seen corresponding path program 1 times [2022-11-22 00:12:17,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:17,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840628030] [2022-11-22 00:12:17,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:17,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:12:17,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:17,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840628030] [2022-11-22 00:12:17,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840628030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:17,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:17,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:17,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529017154] [2022-11-22 00:12:17,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:17,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:17,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:17,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:17,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,686 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:12:17,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:17,712 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2022-11-22 00:12:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:17,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2022-11-22 00:12:17,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:17,715 INFO L225 Difference]: With dead ends: 55 [2022-11-22 00:12:17,715 INFO L226 Difference]: Without dead ends: 40 [2022-11-22 00:12:17,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,717 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 4 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:17,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 67 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:17,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-22 00:12:17,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-22 00:12:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.096774193548387) internal successors, (34), 33 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:12:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-11-22 00:12:17,745 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 34 [2022-11-22 00:12:17,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:17,746 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-11-22 00:12:17,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:12:17,747 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-11-22 00:12:17,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-22 00:12:17,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:17,748 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:17,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 00:12:17,749 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:17,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:17,749 INFO L85 PathProgramCache]: Analyzing trace with hash 352711075, now seen corresponding path program 1 times [2022-11-22 00:12:17,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:17,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243095330] [2022-11-22 00:12:17,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:17,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:12:17,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:17,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243095330] [2022-11-22 00:12:17,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243095330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:17,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:17,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:12:17,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939203641] [2022-11-22 00:12:17,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:17,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:17,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:17,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:17,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,807 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 00:12:17,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:17,829 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2022-11-22 00:12:17,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:17,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2022-11-22 00:12:17,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:17,830 INFO L225 Difference]: With dead ends: 47 [2022-11-22 00:12:17,830 INFO L226 Difference]: Without dead ends: 40 [2022-11-22 00:12:17,831 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 [2022-11-22 00:12:17,831 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:17,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:17,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-22 00:12:17,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-22 00:12:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.064516129032258) internal successors, (33), 33 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:12:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-11-22 00:12:17,836 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 39 [2022-11-22 00:12:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:17,836 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-11-22 00:12:17,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 00:12:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-22 00:12:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-22 00:12:17,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:17,838 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:17,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 00:12:17,838 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:12:17,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:17,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1895539425, now seen corresponding path program 1 times [2022-11-22 00:12:17,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:17,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597434797] [2022-11-22 00:12:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:17,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:12:17,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:17,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597434797] [2022-11-22 00:12:17,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597434797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:17,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:17,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:17,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652060031] [2022-11-22 00:12:17,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:17,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:17,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:17,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:17,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,894 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 00:12:17,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:17,910 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2022-11-22 00:12:17,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:17,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-11-22 00:12:17,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:17,911 INFO L225 Difference]: With dead ends: 42 [2022-11-22 00:12:17,911 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:12:17,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:17,915 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:17,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:12:17,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:12:17,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:12:17,917 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) [2022-11-22 00:12:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:12:17,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-11-22 00:12:17,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:17,918 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:12:17,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 00:12:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:12:17,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:12:17,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-22 00:12:17,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-22 00:12:17,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-22 00:12:17,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-22 00:12:17,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-22 00:12:17,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-22 00:12:17,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-22 00:12:17,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-22 00:12:17,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 00:12:17,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 00:12:18,002 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-22 00:12:18,002 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-22 00:12:18,002 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-22 00:12:18,002 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-22 00:12:18,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-11-22 00:12:18,003 INFO L902 garLoopResultBuilder]: At program point L1662(line 1662) the Hoare annotation is: true [2022-11-22 00:12:18,003 INFO L895 garLoopResultBuilder]: At program point L1629(lines 1629 1641) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch97#1| [2022-11-22 00:12:18,003 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-11-22 00:12:18,003 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-22 00:12:18,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1661) no Hoare annotation was computed. [2022-11-22 00:12:18,004 INFO L899 garLoopResultBuilder]: For program point L1638(line 1638) no Hoare annotation was computed. [2022-11-22 00:12:18,004 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: false [2022-11-22 00:12:18,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-11-22 00:12:18,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 00:12:18,004 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-22 00:12:18,004 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: false [2022-11-22 00:12:18,005 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2022-11-22 00:12:18,005 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2022-11-22 00:12:18,005 INFO L899 garLoopResultBuilder]: For program point L1680-1(line 1680) no Hoare annotation was computed. [2022-11-22 00:12:18,005 INFO L895 garLoopResultBuilder]: At program point L1647(lines 1647 1655) the Hoare annotation is: (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) [2022-11-22 00:12:18,005 INFO L895 garLoopResultBuilder]: At program point L1639(line 1639) the Hoare annotation is: false [2022-11-22 00:12:18,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-11-22 00:12:18,006 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-11-22 00:12:18,006 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1609) no Hoare annotation was computed. [2022-11-22 00:12:18,006 INFO L902 garLoopResultBuilder]: At program point L1656(lines 1656 1668) the Hoare annotation is: true [2022-11-22 00:12:18,006 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: false [2022-11-22 00:12:18,006 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2022-11-22 00:12:18,007 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch95#1| [2022-11-22 00:12:18,007 INFO L899 garLoopResultBuilder]: For program point L1665(line 1665) no Hoare annotation was computed. [2022-11-22 00:12:18,007 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1636) no Hoare annotation was computed. [2022-11-22 00:12:18,007 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-22 00:12:18,007 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-22 00:12:18,007 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-22 00:12:18,008 INFO L902 garLoopResultBuilder]: At program point L1682(line 1682) the Hoare annotation is: true [2022-11-22 00:12:18,008 INFO L899 garLoopResultBuilder]: For program point L1649(line 1649) no Hoare annotation was computed. [2022-11-22 00:12:18,008 INFO L902 garLoopResultBuilder]: At program point L1682-1(line 1682) the Hoare annotation is: true [2022-11-22 00:12:18,008 INFO L902 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: true [2022-11-22 00:12:18,009 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1608) no Hoare annotation was computed. [2022-11-22 00:12:18,009 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1578) no Hoare annotation was computed. [2022-11-22 00:12:18,009 INFO L899 garLoopResultBuilder]: For program point L1658(line 1658) no Hoare annotation was computed. [2022-11-22 00:12:18,010 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: false [2022-11-22 00:12:18,010 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch93#1| [2022-11-22 00:12:18,010 INFO L899 garLoopResultBuilder]: For program point L1634(line 1634) no Hoare annotation was computed. [2022-11-22 00:12:18,010 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2022-11-22 00:12:18,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-11-22 00:12:18,010 INFO L899 garLoopResultBuilder]: For program point L1659(lines 1659 1663) no Hoare annotation was computed. [2022-11-22 00:12:18,011 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1560) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch92#1| (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-22 00:12:18,011 INFO L895 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch97#1| [2022-11-22 00:12:18,011 INFO L899 garLoopResultBuilder]: For program point L1602(line 1602) no Hoare annotation was computed. [2022-11-22 00:12:18,011 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1577) no Hoare annotation was computed. [2022-11-22 00:12:18,011 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-11-22 00:12:18,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 00:12:18,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-11-22 00:12:18,015 INFO L895 garLoopResultBuilder]: At program point L1561(lines 1561 1580) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch93#1| [2022-11-22 00:12:18,016 INFO L899 garLoopResultBuilder]: For program point L1652(line 1652) no Hoare annotation was computed. [2022-11-22 00:12:18,016 INFO L895 garLoopResultBuilder]: At program point L1586(lines 1586 1594) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch94#1| (<= 2147483647 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-22 00:12:18,016 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-11-22 00:12:18,016 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: false [2022-11-22 00:12:18,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-11-22 00:12:18,016 INFO L899 garLoopResultBuilder]: For program point L1661(line 1661) no Hoare annotation was computed. [2022-11-22 00:12:18,017 INFO L899 garLoopResultBuilder]: For program point L1661-1(line 1661) no Hoare annotation was computed. [2022-11-22 00:12:18,017 INFO L895 garLoopResultBuilder]: At program point L1595(lines 1595 1614) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch95#1| [2022-11-22 00:12:18,017 INFO L895 garLoopResultBuilder]: At program point L1653(line 1653) the Hoare annotation is: false [2022-11-22 00:12:18,017 INFO L895 garLoopResultBuilder]: At program point L1620(lines 1620 1628) the Hoare annotation is: (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-22 00:12:18,017 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-22 00:12:18,018 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: false [2022-11-22 00:12:18,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1661) no Hoare annotation was computed. [2022-11-22 00:12:18,018 INFO L899 garLoopResultBuilder]: For program point L1571(line 1571) no Hoare annotation was computed. [2022-11-22 00:12:18,018 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2022-11-22 00:12:18,021 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:18,024 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:12:18,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:12:18 BoogieIcfgContainer [2022-11-22 00:12:18,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:12:18,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:12:18,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:12:18,047 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:12:18,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:12:15" (3/4) ... [2022-11-22 00:12:18,051 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:12:18,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-22 00:12:18,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-22 00:12:18,065 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-22 00:12:18,065 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-22 00:12:18,065 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 00:12:18,066 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:12:18,066 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:12:18,124 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:12:18,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:12:18,126 INFO L158 Benchmark]: Toolchain (without parser) took 4604.98ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 78.7MB in the beginning and 96.0MB in the end (delta: -17.2MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-11-22 00:12:18,126 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:12:18,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1469.38ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 78.7MB in the beginning and 122.3MB in the end (delta: -43.6MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2022-11-22 00:12:18,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.03ms. Allocated memory is still 176.2MB. Free memory was 122.3MB in the beginning and 119.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:12:18,128 INFO L158 Benchmark]: Boogie Preprocessor took 31.45ms. Allocated memory is still 176.2MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:12:18,128 INFO L158 Benchmark]: RCFGBuilder took 727.43ms. Allocated memory is still 176.2MB. Free memory was 117.1MB in the beginning and 98.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 00:12:18,129 INFO L158 Benchmark]: TraceAbstraction took 2200.39ms. Allocated memory is still 176.2MB. Free memory was 98.3MB in the beginning and 100.2MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:12:18,129 INFO L158 Benchmark]: Witness Printer took 77.63ms. Allocated memory is still 176.2MB. Free memory was 100.2MB in the beginning and 96.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:12:18,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1469.38ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 78.7MB in the beginning and 122.3MB in the end (delta: -43.6MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.03ms. Allocated memory is still 176.2MB. Free memory was 122.3MB in the beginning and 119.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.45ms. Allocated memory is still 176.2MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 727.43ms. Allocated memory is still 176.2MB. Free memory was 117.1MB in the beginning and 98.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2200.39ms. Allocated memory is still 176.2MB. Free memory was 98.3MB in the beginning and 100.2MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.63ms. Allocated memory is still 176.2MB. Free memory was 100.2MB in the beginning and 96.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: 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 3 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 1257 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 595 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 662 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 83 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 102 PreInvPairs, 122 NumberOfFragments, 39 HoareAnnotationTreeSize, 102 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 44/44 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 8 specifications checked. All of them hold - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1629]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: aux-switch(6) { case 6: data = 0x7fffffff; break; default: printLine("Benign, fixed string"); break; }-aux && 2147483647 <= data - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: aux-switch(6) { case 6: data = 0x7fffffff; break; default: printLine("Benign, fixed string"); break; }-aux && 2147483647 <= data - InvariantResult [Line: 1620]: Loop Invariant Derived loop invariant: 2 == data - InvariantResult [Line: 1647]: Loop Invariant Derived loop invariant: data == 2 RESULT: Ultimate proved your program to be correct! [2022-11-22 00:12:18,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00591cc0-4f2b-49b1-922a-2978c0a96b60/bin/utaipan-g80aRyZoba/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