./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS --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 fc83cc3a8494e0af091735c8106bea1410f38e97d23242a4859bffcacf6cc37f --- 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-8393723 [2022-11-19 08:23:11,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:23:11,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:23:11,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:23:11,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:23:11,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:23:11,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:23:11,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:23:11,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:23:11,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:23:11,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:23:11,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:23:11,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:23:11,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:23:11,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:23:11,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:23:11,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:23:11,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:23:11,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:23:11,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:23:11,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:23:11,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:23:11,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:23:11,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:23:11,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:23:11,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:23:11,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:23:11,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:23:11,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:23:11,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:23:11,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:23:11,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:23:11,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:23:11,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:23:11,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:23:11,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:23:11,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:23:11,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:23:11,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:23:11,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:23:11,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:23:11,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-19 08:23:11,619 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:23:11,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:23:11,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:23:11,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:23:11,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:23:11,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:23:11,622 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:23:11,622 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:23:11,622 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:23:11,623 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:23:11,624 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:23:11,624 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:23:11,625 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:23:11,625 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:23:11,625 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:23:11,625 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:23:11,626 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:23:11,626 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:23:11,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:23:11,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:23:11,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:23:11,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:23:11,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:23:11,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:23:11,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:23:11,629 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:23:11,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:23:11,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:23:11,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:23:11,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:23:11,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:23:11,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:23:11,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:23:11,632 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:23:11,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:23:11,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:23:11,633 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:23:11,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:23:11,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:23:11,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:23:11,634 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_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc83cc3a8494e0af091735c8106bea1410f38e97d23242a4859bffcacf6cc37f [2022-11-19 08:23:11,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:23:11,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:23:11,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:23:11,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:23:11,994 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:23:11,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i [2022-11-19 08:23:12,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/data/4d3dd2305/c11d37659cac4287bdb831da997eaaca/FLAG3aa3af5ac [2022-11-19 08:23:12,785 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:23:12,787 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i [2022-11-19 08:23:12,819 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/data/4d3dd2305/c11d37659cac4287bdb831da997eaaca/FLAG3aa3af5ac [2022-11-19 08:23:12,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/data/4d3dd2305/c11d37659cac4287bdb831da997eaaca [2022-11-19 08:23:12,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:23:12,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:23:12,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:23:12,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:23:12,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:23:12,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:23:12" (1/1) ... [2022-11-19 08:23:12,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ddd87d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:12, skipping insertion in model container [2022-11-19 08:23:12,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:23:12" (1/1) ... [2022-11-19 08:23:12,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:23:13,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:23:13,461 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 08:23:13,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:23:13,998 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:23:14,020 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 08:23:14,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:23:14,191 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:23:14,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14 WrapperNode [2022-11-19 08:23:14,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:23:14,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:23:14,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:23:14,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:23:14,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,312 INFO L138 Inliner]: procedures = 505, calls = 89, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2022-11-19 08:23:14,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:23:14,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:23:14,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:23:14,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:23:14,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:23:14,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:23:14,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:23:14,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:23:14,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (1/1) ... [2022-11-19 08:23:14,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:23:14,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:14,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:23:14,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:23:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-19 08:23:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-19 08:23:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-19 08:23:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-19 08:23:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:23:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:23:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:23:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:23:14,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:23:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-19 08:23:14,474 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-19 08:23:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:23:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-11-19 08:23:14,475 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-11-19 08:23:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-19 08:23:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:23:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:23:14,620 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:23:14,648 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:23:15,005 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:23:15,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:23:15,109 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:23:15,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:23:15 BoogieIcfgContainer [2022-11-19 08:23:15,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:23:15,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:23:15,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:23:15,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:23:15,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:23:12" (1/3) ... [2022-11-19 08:23:15,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3b4a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:23:15, skipping insertion in model container [2022-11-19 08:23:15,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:14" (2/3) ... [2022-11-19 08:23:15,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3b4a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:23:15, skipping insertion in model container [2022-11-19 08:23:15,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:23:15" (3/3) ... [2022-11-19 08:23:15,121 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_08_good.i [2022-11-19 08:23:15,142 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:23:15,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 08:23:15,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:23:15,224 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;@7290b8d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:23:15,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 08:23:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 49 states have internal predecessors, (49), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-19 08:23:15,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 08:23:15,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:15,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:15,238 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)] === [2022-11-19 08:23:15,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash -100248846, now seen corresponding path program 1 times [2022-11-19 08:23:15,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:15,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037155475] [2022-11-19 08:23:15,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:15,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:23:15,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:15,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037155475] [2022-11-19 08:23:15,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037155475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:15,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:23:15,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:23:15,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584269381] [2022-11-19 08:23:15,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:15,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:23:15,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:16,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:23:16,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:23:16,020 INFO L87 Difference]: Start difference. First operand has 65 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 49 states have internal predecessors, (49), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 08:23:16,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:16,202 INFO L93 Difference]: Finished difference Result 65 states and 85 transitions. [2022-11-19 08:23:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:23:16,205 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2022-11-19 08:23:16,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:16,222 INFO L225 Difference]: With dead ends: 65 [2022-11-19 08:23:16,222 INFO L226 Difference]: Without dead ends: 59 [2022-11-19 08:23:16,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:23:16,232 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:16,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 308 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:23:16,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-19 08:23:16,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-19 08:23:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.375) internal successors, (44), 44 states have internal predecessors, (44), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 08:23:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2022-11-19 08:23:16,281 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 16 [2022-11-19 08:23:16,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:16,283 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-11-19 08:23:16,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 08:23:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-11-19 08:23:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:23:16,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:16,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:16,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:23:16,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:23:16,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:16,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1187253139, now seen corresponding path program 1 times [2022-11-19 08:23:16,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:16,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219144936] [2022-11-19 08:23:16,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:16,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:23:16,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:16,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219144936] [2022-11-19 08:23:16,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219144936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:16,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:23:16,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:23:16,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317495643] [2022-11-19 08:23:16,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:16,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:23:16,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:16,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:23:16,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:23:16,497 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 08:23:16,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:16,575 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2022-11-19 08:23:16,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:23:16,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17 [2022-11-19 08:23:16,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:16,582 INFO L225 Difference]: With dead ends: 59 [2022-11-19 08:23:16,582 INFO L226 Difference]: Without dead ends: 58 [2022-11-19 08:23:16,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:23:16,584 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:16,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:23:16,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-19 08:23:16,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-19 08:23:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.34375) internal successors, (43), 43 states have internal predecessors, (43), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 08:23:16,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-11-19 08:23:16,595 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 17 [2022-11-19 08:23:16,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:16,599 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-11-19 08:23:16,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 08:23:16,600 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-11-19 08:23:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 08:23:16,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:16,602 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:16,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:23:16,602 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)] === [2022-11-19 08:23:16,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:16,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1727325188, now seen corresponding path program 1 times [2022-11-19 08:23:16,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:16,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940403970] [2022-11-19 08:23:16,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:16,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-19 08:23:16,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:16,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940403970] [2022-11-19 08:23:16,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940403970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:16,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:23:16,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:23:16,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811962404] [2022-11-19 08:23:16,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:16,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:23:16,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:16,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:23:16,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:23:16,716 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:23:16,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:16,767 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2022-11-19 08:23:16,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:23:16,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2022-11-19 08:23:16,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:16,772 INFO L225 Difference]: With dead ends: 102 [2022-11-19 08:23:16,772 INFO L226 Difference]: Without dead ends: 57 [2022-11-19 08:23:16,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:23:16,777 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:16,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:23:16,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-19 08:23:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-19 08:23:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.3125) internal successors, (42), 42 states have internal predecessors, (42), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-19 08:23:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2022-11-19 08:23:16,786 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 29 [2022-11-19 08:23:16,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:16,790 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2022-11-19 08:23:16,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:23:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-11-19 08:23:16,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 08:23:16,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:16,794 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:16,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:23:16,794 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)] === [2022-11-19 08:23:16,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:16,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1685585665, now seen corresponding path program 1 times [2022-11-19 08:23:16,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:16,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090293048] [2022-11-19 08:23:16,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:16,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 08:23:17,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:17,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090293048] [2022-11-19 08:23:17,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090293048] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:17,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062906874] [2022-11-19 08:23:17,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:17,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:17,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:17,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:17,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:23:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:17,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:23:17,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:17,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:23:17,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 08:23:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:23:17,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:23:17,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:23:17,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-11-19 08:23:17,764 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 08:23:17,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062906874] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:23:17,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1760611535] [2022-11-19 08:23:17,788 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-19 08:23:17,789 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:23:17,793 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:23:17,798 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:23:17,799 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:23:18,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:18,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:18,155 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-19 08:23:18,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-19 08:23:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:18,333 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-19 08:23:18,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-19 08:23:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:18,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 08:23:18,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:18,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:18,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:18,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-19 08:23:19,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:19,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:19,331 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-19 08:23:19,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-19 08:23:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:19,413 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:23:19,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-19 08:23:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:19,463 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:23:19,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-19 08:23:19,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:19,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:20,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:23:20,115 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-19 08:23:20,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-19 08:23:20,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:20,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:22,950 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-19 08:23:23,012 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 103 for LOIs [2022-11-19 08:23:23,037 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 142 for LOIs [2022-11-19 08:23:23,138 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:23:31,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1760611535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:31,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:23:31,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [6, 6, 5] total 31 [2022-11-19 08:23:31,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691801430] [2022-11-19 08:23:31,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:31,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-19 08:23:31,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:31,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-19 08:23:31,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2022-11-19 08:23:31,345 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 08:23:32,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:32,136 INFO L93 Difference]: Finished difference Result 128 states and 157 transitions. [2022-11-19 08:23:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-19 08:23:32,137 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 30 [2022-11-19 08:23:32,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:32,138 INFO L225 Difference]: With dead ends: 128 [2022-11-19 08:23:32,138 INFO L226 Difference]: Without dead ends: 95 [2022-11-19 08:23:32,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2022-11-19 08:23:32,140 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 96 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 147 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:32,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 288 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 333 Invalid, 0 Unknown, 147 Unchecked, 0.7s Time] [2022-11-19 08:23:32,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-19 08:23:32,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 70. [2022-11-19 08:23:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 50 states have internal predecessors, (52), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-19 08:23:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2022-11-19 08:23:32,164 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 30 [2022-11-19 08:23:32,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:32,165 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-19 08:23:32,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 08:23:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2022-11-19 08:23:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-19 08:23:32,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:32,167 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:32,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:23:32,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:32,374 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)] === [2022-11-19 08:23:32,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:32,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1351844501, now seen corresponding path program 1 times [2022-11-19 08:23:32,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:32,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889535865] [2022-11-19 08:23:32,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:32,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 08:23:32,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:32,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889535865] [2022-11-19 08:23:32,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889535865] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:32,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549122903] [2022-11-19 08:23:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:32,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:32,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:32,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:32,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:23:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:32,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:23:32,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:32,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:23:32,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 08:23:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:23:32,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:23:32,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:23:32,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-11-19 08:23:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 08:23:33,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549122903] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:23:33,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1721828655] [2022-11-19 08:23:33,013 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-19 08:23:33,013 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:23:33,014 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:23:33,014 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:23:33,014 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:23:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:33,211 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-19 08:23:33,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-19 08:23:33,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:33,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2022-11-19 08:23:33,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:33,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:33,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 08:23:33,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:33,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:33,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:33,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:33,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-19 08:23:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:33,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:33,972 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-19 08:23:33,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-19 08:23:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:34,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:34,053 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:23:34,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-19 08:23:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:34,100 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:23:34,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-19 08:23:34,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:34,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:34,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:23:34,641 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-19 08:23:34,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 448 treesize of output 450 [2022-11-19 08:23:35,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:35,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:37,238 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-19 08:23:37,290 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 109 for LOIs [2022-11-19 08:23:37,315 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 103 for LOIs [2022-11-19 08:23:37,339 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 77 for LOIs [2022-11-19 08:23:37,347 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:23:43,677 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1290#(and (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~result~0#1| 2147483648)) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) |ULTIMATE.start_goodB2G2_#t~mem101#1|) (<= |ULTIMATE.start_goodB2G1_~result~0#1| 2147483646) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (not (<= |ULTIMATE.start_goodB2G2_#t~mem101#1| 2147483648)) (= ~globalArgv~0.base 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (<= 0 |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))' at error location [2022-11-19 08:23:43,677 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:23:43,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:23:43,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2022-11-19 08:23:43,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789742034] [2022-11-19 08:23:43,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:23:43,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 08:23:43,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:43,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 08:23:43,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1095, Unknown=0, NotChecked=0, Total=1260 [2022-11-19 08:23:43,680 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand has 13 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 08:23:43,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:43,850 INFO L93 Difference]: Finished difference Result 91 states and 113 transitions. [2022-11-19 08:23:43,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:23:43,851 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) Word has length 32 [2022-11-19 08:23:43,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:43,852 INFO L225 Difference]: With dead ends: 91 [2022-11-19 08:23:43,853 INFO L226 Difference]: Without dead ends: 90 [2022-11-19 08:23:43,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 63 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=184, Invalid=1298, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:23:43,854 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 41 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:43,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 367 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 46 Unchecked, 0.1s Time] [2022-11-19 08:23:43,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-19 08:23:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2022-11-19 08:23:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 50 states have (on average 1.28) internal successors, (64), 60 states have internal predecessors, (64), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-19 08:23:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-11-19 08:23:43,880 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 32 [2022-11-19 08:23:43,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:43,881 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-11-19 08:23:43,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 08:23:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-11-19 08:23:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 08:23:43,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:43,882 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:43,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:23:44,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:44,095 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:23:44,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:44,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1042493526, now seen corresponding path program 1 times [2022-11-19 08:23:44,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:44,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704057109] [2022-11-19 08:23:44,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:44,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 08:23:44,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:44,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704057109] [2022-11-19 08:23:44,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704057109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:44,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:23:44,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:23:44,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038207687] [2022-11-19 08:23:44,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:44,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:23:44,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:44,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:23:44,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:23:44,195 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 08:23:44,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:44,263 INFO L93 Difference]: Finished difference Result 84 states and 108 transitions. [2022-11-19 08:23:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:23:44,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33 [2022-11-19 08:23:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:44,268 INFO L225 Difference]: With dead ends: 84 [2022-11-19 08:23:44,268 INFO L226 Difference]: Without dead ends: 83 [2022-11-19 08:23:44,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:23:44,270 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:44,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:23:44,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-19 08:23:44,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2022-11-19 08:23:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 56 states have internal predecessors, (59), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-19 08:23:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-11-19 08:23:44,319 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 33 [2022-11-19 08:23:44,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:44,320 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-11-19 08:23:44,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 08:23:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-19 08:23:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-19 08:23:44,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:44,325 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:44,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:23:44,325 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)] === [2022-11-19 08:23:44,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:44,326 INFO L85 PathProgramCache]: Analyzing trace with hash -709762138, now seen corresponding path program 1 times [2022-11-19 08:23:44,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:44,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370953481] [2022-11-19 08:23:44,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:44,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 08:23:44,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:44,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370953481] [2022-11-19 08:23:44,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370953481] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:44,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087880894] [2022-11-19 08:23:44,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:44,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:44,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:44,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:44,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:23:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:44,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:23:44,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 08:23:44,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:23:44,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087880894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:44,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:23:44,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 08:23:44,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618155758] [2022-11-19 08:23:44,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:44,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:23:44,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:44,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:23:44,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:23:44,564 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 08:23:44,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:44,625 INFO L93 Difference]: Finished difference Result 105 states and 139 transitions. [2022-11-19 08:23:44,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:23:44,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 42 [2022-11-19 08:23:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:44,630 INFO L225 Difference]: With dead ends: 105 [2022-11-19 08:23:44,630 INFO L226 Difference]: Without dead ends: 104 [2022-11-19 08:23:44,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:23:44,632 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 11 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:44,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 116 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:23:44,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-19 08:23:44,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 88. [2022-11-19 08:23:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 60 states have internal predecessors, (67), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 08:23:44,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 115 transitions. [2022-11-19 08:23:44,681 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 115 transitions. Word has length 42 [2022-11-19 08:23:44,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:44,681 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 115 transitions. [2022-11-19 08:23:44,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 08:23:44,682 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2022-11-19 08:23:44,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 08:23:44,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:44,688 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:44,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:23:44,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:44,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:23:44,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash -527789672, now seen corresponding path program 1 times [2022-11-19 08:23:44,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:44,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17015525] [2022-11-19 08:23:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 08:23:44,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:44,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17015525] [2022-11-19 08:23:44,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17015525] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:44,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040644183] [2022-11-19 08:23:44,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:44,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:44,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:44,987 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:45,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:23:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:45,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:23:45,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 08:23:45,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:23:45,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040644183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:45,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:23:45,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 08:23:45,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418505257] [2022-11-19 08:23:45,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:45,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:23:45,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:45,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:23:45,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:23:45,133 INFO L87 Difference]: Start difference. First operand 88 states and 115 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 08:23:45,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:45,186 INFO L93 Difference]: Finished difference Result 88 states and 115 transitions. [2022-11-19 08:23:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:23:45,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-19 08:23:45,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:45,188 INFO L225 Difference]: With dead ends: 88 [2022-11-19 08:23:45,188 INFO L226 Difference]: Without dead ends: 87 [2022-11-19 08:23:45,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:23:45,189 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 12 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:45,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 94 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:23:45,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-19 08:23:45,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-11-19 08:23:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 59 states have internal predecessors, (65), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 08:23:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2022-11-19 08:23:45,217 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 43 [2022-11-19 08:23:45,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:45,220 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2022-11-19 08:23:45,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 08:23:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2022-11-19 08:23:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 08:23:45,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:45,226 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:45,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:23:45,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:45,440 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)] === [2022-11-19 08:23:45,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:45,441 INFO L85 PathProgramCache]: Analyzing trace with hash 814889462, now seen corresponding path program 1 times [2022-11-19 08:23:45,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:45,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305870237] [2022-11-19 08:23:45,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:45,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:45,536 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 08:23:45,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:45,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305870237] [2022-11-19 08:23:45,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305870237] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:45,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465002487] [2022-11-19 08:23:45,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:45,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:45,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:45,538 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:45,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:23:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:45,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:23:45,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 08:23:45,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:23:45,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465002487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:45,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:23:45,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 08:23:45,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262219711] [2022-11-19 08:23:45,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:45,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:23:45,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:45,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:23:45,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:23:45,693 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 08:23:45,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:45,742 INFO L93 Difference]: Finished difference Result 87 states and 113 transitions. [2022-11-19 08:23:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:23:45,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 45 [2022-11-19 08:23:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:45,744 INFO L225 Difference]: With dead ends: 87 [2022-11-19 08:23:45,744 INFO L226 Difference]: Without dead ends: 86 [2022-11-19 08:23:45,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:23:45,745 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 10 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 94 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 [2022-11-19 08:23:45,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 94 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:23:45,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-19 08:23:45,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2022-11-19 08:23:45,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 54 states have internal predecessors, (55), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-19 08:23:45,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2022-11-19 08:23:45,767 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 45 [2022-11-19 08:23:45,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:45,768 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2022-11-19 08:23:45,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 08:23:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2022-11-19 08:23:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 08:23:45,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:45,769 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:45,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:23:45,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:45,975 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)] === [2022-11-19 08:23:45,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:45,976 INFO L85 PathProgramCache]: Analyzing trace with hash -333887745, now seen corresponding path program 1 times [2022-11-19 08:23:45,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:45,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921625] [2022-11-19 08:23:45,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:46,064 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-19 08:23:46,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:46,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921625] [2022-11-19 08:23:46,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921625] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:46,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202986300] [2022-11-19 08:23:46,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:46,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:46,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:46,066 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:46,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:23:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:46,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:23:46,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 08:23:46,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:23:46,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202986300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:46,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:23:46,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-19 08:23:46,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548782051] [2022-11-19 08:23:46,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:46,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:23:46,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:46,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:23:46,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:23:46,232 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:23:46,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:46,290 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2022-11-19 08:23:46,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:23:46,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-19 08:23:46,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:46,292 INFO L225 Difference]: With dead ends: 96 [2022-11-19 08:23:46,292 INFO L226 Difference]: Without dead ends: 65 [2022-11-19 08:23:46,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:23:46,293 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:46,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:23:46,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-19 08:23:46,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 59. [2022-11-19 08:23:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 40 states have internal predecessors, (40), 15 states have call successors, (15), 7 states have call predecessors, (15), 7 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-19 08:23:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions. [2022-11-19 08:23:46,310 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 52 [2022-11-19 08:23:46,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:46,310 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions. [2022-11-19 08:23:46,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:23:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2022-11-19 08:23:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 08:23:46,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:46,311 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:46,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 08:23:46,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 08:23:46,515 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)] === [2022-11-19 08:23:46,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:46,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1905314172, now seen corresponding path program 1 times [2022-11-19 08:23:46,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:46,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643348199] [2022-11-19 08:23:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:46,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:23:46,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:46,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643348199] [2022-11-19 08:23:46,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643348199] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:46,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216930724] [2022-11-19 08:23:46,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:46,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:46,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:46,588 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:46,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 08:23:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:46,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:23:46,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-19 08:23:46,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:23:46,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216930724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:46,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:23:46,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-19 08:23:46,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481941187] [2022-11-19 08:23:46,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:46,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:23:46,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:46,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:23:46,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:23:46,750 INFO L87 Difference]: Start difference. First operand 59 states and 70 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 08:23:46,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:46,805 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2022-11-19 08:23:46,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:23:46,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 54 [2022-11-19 08:23:46,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:46,807 INFO L225 Difference]: With dead ends: 71 [2022-11-19 08:23:46,807 INFO L226 Difference]: Without dead ends: 59 [2022-11-19 08:23:46,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:23:46,808 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:46,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:23:46,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-19 08:23:46,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-19 08:23:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 39 states have internal predecessors, (39), 15 states have call successors, (15), 7 states have call predecessors, (15), 7 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-19 08:23:46,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2022-11-19 08:23:46,823 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 54 [2022-11-19 08:23:46,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:46,824 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2022-11-19 08:23:46,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 08:23:46,824 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2022-11-19 08:23:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-19 08:23:46,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:46,828 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:46,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 08:23:47,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-19 08:23:47,031 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)] === [2022-11-19 08:23:47,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:47,032 INFO L85 PathProgramCache]: Analyzing trace with hash -839620571, now seen corresponding path program 1 times [2022-11-19 08:23:47,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:47,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506215599] [2022-11-19 08:23:47,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:47,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:23:47,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:47,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506215599] [2022-11-19 08:23:47,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506215599] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:23:47,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382880060] [2022-11-19 08:23:47,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:47,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:23:47,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:47,138 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:23:47,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-19 08:23:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:47,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:23:47,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:23:47,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:23:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:23:47,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382880060] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:23:47,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [753132055] [2022-11-19 08:23:47,407 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2022-11-19 08:23:47,407 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:23:47,408 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:23:47,408 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:23:47,408 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:23:47,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:47,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 08:23:47,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:47,601 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-19 08:23:47,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-19 08:23:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:47,722 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-19 08:23:47,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-19 08:23:47,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:47,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-19 08:23:47,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:48,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:48,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:48,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:48,351 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-19 08:23:48,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-19 08:23:48,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:48,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:48,403 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:23:48,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-19 08:23:48,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:48,439 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:23:48,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-19 08:23:48,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:48,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:48,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:23:48,943 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-19 08:23:48,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-19 08:23:49,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:23:51,423 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-11-19 08:23:51,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 472 treesize of output 490 [2022-11-19 08:23:57,407 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-19 08:23:57,464 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 163 for LOIs [2022-11-19 08:23:57,574 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 28 for LOIs [2022-11-19 08:23:57,577 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 64 for LOIs [2022-11-19 08:23:57,587 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:24:17,145 WARN L233 SmtUtils]: Spent 11.00s on a formula simplification. DAG size of input: 182 DAG size of output: 124 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:24:23,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [753132055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:24:23,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:24:23,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 38 [2022-11-19 08:24:23,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987268003] [2022-11-19 08:24:23,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:24:23,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-19 08:24:23,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:24:23,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-19 08:24:23,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1311, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:24:23,259 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 31 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:24:23,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:24:23,707 INFO L93 Difference]: Finished difference Result 97 states and 111 transitions. [2022-11-19 08:24:23,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-19 08:24:23,708 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 59 [2022-11-19 08:24:23,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:24:23,709 INFO L225 Difference]: With dead ends: 97 [2022-11-19 08:24:23,709 INFO L226 Difference]: Without dead ends: 96 [2022-11-19 08:24:23,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 132 SyntacticMatches, 10 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=171, Invalid=1311, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:24:23,712 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 32 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 370 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:24:23,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 232 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 172 Invalid, 0 Unknown, 370 Unchecked, 0.4s Time] [2022-11-19 08:24:23,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-19 08:24:23,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2022-11-19 08:24:23,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 57 states have (on average 1.105263157894737) internal successors, (63), 60 states have internal predecessors, (63), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2022-11-19 08:24:23,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 109 transitions. [2022-11-19 08:24:23,734 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 109 transitions. Word has length 59 [2022-11-19 08:24:23,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:24:23,735 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 109 transitions. [2022-11-19 08:24:23,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:24:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2022-11-19 08:24:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-19 08:24:23,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:24:23,737 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:24:23,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-19 08:24:23,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:24:23,952 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:24:23,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:24:23,952 INFO L85 PathProgramCache]: Analyzing trace with hash -258433777, now seen corresponding path program 1 times [2022-11-19 08:24:23,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:24:23,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921627553] [2022-11-19 08:24:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:24:23,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:24:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:24:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:24:24,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:24:24,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921627553] [2022-11-19 08:24:24,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921627553] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:24:24,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512887392] [2022-11-19 08:24:24,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:24:24,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:24:24,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:24:24,066 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:24:24,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-19 08:24:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:24:24,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:24:24,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:24:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:24:24,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:24:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:24:24,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512887392] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:24:24,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1576075814] [2022-11-19 08:24:24,381 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-19 08:24:24,381 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:24:24,382 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:24:24,383 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:24:24,383 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:24:24,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:24,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 08:24:24,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:24,576 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-19 08:24:24,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-19 08:24:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:24,702 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-19 08:24:24,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-19 08:24:24,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:24:24,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:24:24,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:24,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-19 08:24:24,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:24:24,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:24:25,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:24:25,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:24:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,251 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:24:25,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-19 08:24:25,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,417 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-19 08:24:25,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-19 08:24:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:24:25,468 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:24:25,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-19 08:24:25,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:24:25,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:24:25,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:24:25,873 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-19 08:24:25,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-19 08:24:28,090 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-11-19 08:24:28,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 472 treesize of output 490 [2022-11-19 08:24:34,016 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-19 08:24:34,075 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 163 for LOIs [2022-11-19 08:24:34,170 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 28 for LOIs [2022-11-19 08:24:34,172 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 64 for LOIs [2022-11-19 08:24:34,182 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:25:05,624 WARN L233 SmtUtils]: Spent 16.94s on a formula simplification. DAG size of input: 181 DAG size of output: 124 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:25:12,636 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 192 DAG size of output: 129 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:25:30,577 WARN L233 SmtUtils]: Spent 16.99s on a formula simplification. DAG size of input: 193 DAG size of output: 128 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:25:31,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1576075814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:25:31,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:25:31,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 38 [2022-11-19 08:25:31,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951096431] [2022-11-19 08:25:31,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:25:31,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-19 08:25:31,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:25:31,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-19 08:25:31,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1309, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:25:31,278 INFO L87 Difference]: Start difference. First operand 94 states and 109 transitions. Second operand has 31 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:25:32,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:25:32,177 INFO L93 Difference]: Finished difference Result 121 states and 138 transitions. [2022-11-19 08:25:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-19 08:25:32,177 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 60 [2022-11-19 08:25:32,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:25:32,179 INFO L225 Difference]: With dead ends: 121 [2022-11-19 08:25:32,179 INFO L226 Difference]: Without dead ends: 104 [2022-11-19 08:25:32,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 136 SyntacticMatches, 9 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 57.1s TimeCoverageRelationStatistics Valid=173, Invalid=1309, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:25:32,180 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 48 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 577 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:25:32,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 336 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 456 Invalid, 0 Unknown, 577 Unchecked, 0.8s Time] [2022-11-19 08:25:32,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-19 08:25:32,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-19 08:25:32,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 63 states have (on average 1.0952380952380953) internal successors, (69), 65 states have internal predecessors, (69), 24 states have call successors, (24), 15 states have call predecessors, (24), 15 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 08:25:32,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2022-11-19 08:25:32,201 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 60 [2022-11-19 08:25:32,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:25:32,202 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2022-11-19 08:25:32,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:25:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2022-11-19 08:25:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 08:25:32,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:25:32,203 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:25:32,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-19 08:25:32,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-19 08:25:32,404 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:25:32,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:25:32,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1686652421, now seen corresponding path program 1 times [2022-11-19 08:25:32,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:25:32,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470201964] [2022-11-19 08:25:32,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:32,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:25:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:25:32,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:25:32,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470201964] [2022-11-19 08:25:32,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470201964] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:25:32,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777209993] [2022-11-19 08:25:32,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:32,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:25:32,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:25:32,518 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:25:32,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-19 08:25:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:32,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:25:32,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:25:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:25:32,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:25:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:25:32,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777209993] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:25:32,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [810012531] [2022-11-19 08:25:32,793 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-11-19 08:25:32,794 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:25:32,794 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:25:32,794 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:25:32,794 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:25:32,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,959 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-19 08:25:32,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-19 08:25:32,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:32,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 08:25:32,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:32,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,095 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-19 08:25:33,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-19 08:25:33,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-19 08:25:33,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:33,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:33,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,543 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:25:33,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-19 08:25:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,728 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-19 08:25:33,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-19 08:25:33,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:33,777 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:25:33,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-19 08:25:33,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:33,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:34,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:34,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:34,230 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-19 08:25:34,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 448 treesize of output 450 [2022-11-19 08:25:34,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:35,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:25:36,226 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-19 08:25:36,278 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 149 for LOIs [2022-11-19 08:25:36,334 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 139 for LOIs [2022-11-19 08:25:36,380 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 123 for LOIs [2022-11-19 08:25:36,430 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:25:45,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [810012531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:25:45,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:25:45,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 40 [2022-11-19 08:25:45,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029282261] [2022-11-19 08:25:45,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:25:45,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-19 08:25:45,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:25:45,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-19 08:25:45,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1454, Unknown=0, NotChecked=0, Total=1640 [2022-11-19 08:25:45,932 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:25:47,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:25:47,983 INFO L93 Difference]: Finished difference Result 156 states and 175 transitions. [2022-11-19 08:25:47,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-19 08:25:47,984 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 61 [2022-11-19 08:25:47,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:25:47,985 INFO L225 Difference]: With dead ends: 156 [2022-11-19 08:25:47,985 INFO L226 Difference]: Without dead ends: 140 [2022-11-19 08:25:47,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 142 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=207, Invalid=1685, Unknown=0, NotChecked=0, Total=1892 [2022-11-19 08:25:47,986 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 77 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1076 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:25:47,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 545 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 514 Invalid, 0 Unknown, 1076 Unchecked, 0.9s Time] [2022-11-19 08:25:47,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-19 08:25:48,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 79. [2022-11-19 08:25:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 49 states have internal predecessors, (50), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-19 08:25:48,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2022-11-19 08:25:48,013 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 61 [2022-11-19 08:25:48,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:25:48,013 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2022-11-19 08:25:48,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:25:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-11-19 08:25:48,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-19 08:25:48,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:25:48,014 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:25:48,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-19 08:25:48,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-19 08:25:48,219 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:25:48,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:25:48,220 INFO L85 PathProgramCache]: Analyzing trace with hash 557504943, now seen corresponding path program 1 times [2022-11-19 08:25:48,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:25:48,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81736482] [2022-11-19 08:25:48,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:48,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:25:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-19 08:25:48,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:25:48,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81736482] [2022-11-19 08:25:48,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81736482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:25:48,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:25:48,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:25:48,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694436517] [2022-11-19 08:25:48,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:25:48,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:25:48,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:25:48,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:25:48,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:25:48,301 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 08:25:48,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:25:48,358 INFO L93 Difference]: Finished difference Result 99 states and 105 transitions. [2022-11-19 08:25:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:25:48,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 62 [2022-11-19 08:25:48,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:25:48,360 INFO L225 Difference]: With dead ends: 99 [2022-11-19 08:25:48,360 INFO L226 Difference]: Without dead ends: 67 [2022-11-19 08:25:48,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:25:48,364 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:25:48,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:25:48,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-19 08:25:48,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-19 08:25:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 40 states have (on average 1.05) internal successors, (42), 42 states have internal predecessors, (42), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-19 08:25:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2022-11-19 08:25:48,386 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 62 [2022-11-19 08:25:48,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:25:48,386 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2022-11-19 08:25:48,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 08:25:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2022-11-19 08:25:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 08:25:48,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:25:48,393 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:25:48,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-19 08:25:48,394 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:25:48,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:25:48,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1828494149, now seen corresponding path program 1 times [2022-11-19 08:25:48,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:25:48,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457555435] [2022-11-19 08:25:48,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:48,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:25:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:25:48,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:25:48,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457555435] [2022-11-19 08:25:48,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457555435] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:25:48,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293776861] [2022-11-19 08:25:48,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:48,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:25:48,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:25:48,511 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:25:48,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-19 08:25:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:48,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:25:48,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:25:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:25:48,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:25:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:25:48,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293776861] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:25:48,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1124957445] [2022-11-19 08:25:48,775 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-11-19 08:25:48,775 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:25:48,776 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:25:48,776 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:25:48,776 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:25:48,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:48,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:48,943 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-19 08:25:48,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-19 08:25:48,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:48,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 08:25:48,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:48,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:49,084 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-19 08:25:49,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-19 08:25:49,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:49,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-19 08:25:49,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:49,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:49,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:49,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:49,566 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:25:49,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-19 08:25:49,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:49,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:49,738 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-19 08:25:49,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-19 08:25:49,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:25:49,790 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:25:49,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-19 08:25:49,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:50,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:50,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:25:50,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:25:50,188 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-19 08:25:50,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-19 08:25:52,395 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-11-19 08:25:52,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 486 treesize of output 504 [2022-11-19 08:25:57,956 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-19 08:25:57,996 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 28 for LOIs [2022-11-19 08:25:57,998 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 28 for LOIs [2022-11-19 08:25:57,999 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 142 for LOIs [2022-11-19 08:25:58,070 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:26:14,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1124957445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:26:14,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:26:14,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 38 [2022-11-19 08:26:14,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471448770] [2022-11-19 08:26:14,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:26:14,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-19 08:26:14,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:26:14,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-19 08:26:14,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1310, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:26:14,382 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 31 states, 20 states have (on average 1.45) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:26:14,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:26:14,937 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2022-11-19 08:26:14,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-19 08:26:14,937 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 20 states have (on average 1.45) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 61 [2022-11-19 08:26:14,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:26:14,938 INFO L225 Difference]: With dead ends: 67 [2022-11-19 08:26:14,938 INFO L226 Difference]: Without dead ends: 66 [2022-11-19 08:26:14,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 139 SyntacticMatches, 9 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=172, Invalid=1310, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:26:14,940 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 18 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 317 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:26:14,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 70 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 306 Invalid, 0 Unknown, 317 Unchecked, 0.5s Time] [2022-11-19 08:26:14,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-19 08:26:14,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-19 08:26:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 40 states have (on average 1.025) internal successors, (41), 41 states have internal predecessors, (41), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-19 08:26:14,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2022-11-19 08:26:14,959 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 61 [2022-11-19 08:26:14,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:26:14,959 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2022-11-19 08:26:14,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 20 states have (on average 1.45) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:26:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2022-11-19 08:26:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-19 08:26:14,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:26:14,960 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:26:14,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-19 08:26:15,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-19 08:26:15,163 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:26:15,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:26:15,164 INFO L85 PathProgramCache]: Analyzing trace with hash -848743623, now seen corresponding path program 1 times [2022-11-19 08:26:15,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:26:15,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064788880] [2022-11-19 08:26:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:26:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:26:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:26:15,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:26:15,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064788880] [2022-11-19 08:26:15,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064788880] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:26:15,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344716845] [2022-11-19 08:26:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:15,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:26:15,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:26:15,258 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:26:15,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-19 08:26:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:26:15,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:26:15,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:26:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:26:15,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:26:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:26:15,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344716845] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:26:15,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [572951800] [2022-11-19 08:26:15,543 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2022-11-19 08:26:15,544 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:26:15,545 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:26:15,545 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:26:15,545 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:26:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:15,729 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-19 08:26:15,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-19 08:26:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:15,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2022-11-19 08:26:15,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:15,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:15,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 08:26:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:15,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-19 08:26:15,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:15,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:16,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:16,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:16,253 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:26:16,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-19 08:26:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:16,432 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-19 08:26:16,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-19 08:26:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:16,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:16,479 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:26:16,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-19 08:26:16,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:16,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:16,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:16,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:16,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:26:16,894 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-19 08:26:16,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-19 08:26:19,110 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-11-19 08:26:19,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 486 treesize of output 504 [2022-11-19 08:26:25,757 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-19 08:26:25,810 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 28 for LOIs [2022-11-19 08:26:25,812 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 28 for LOIs [2022-11-19 08:26:25,814 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 142 for LOIs [2022-11-19 08:26:25,908 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:26:43,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [572951800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:26:43,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:26:43,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 38 [2022-11-19 08:26:43,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250130593] [2022-11-19 08:26:43,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:26:43,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-19 08:26:43,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:26:43,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-19 08:26:43,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1308, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:26:43,011 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 31 states, 20 states have (on average 1.5) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:26:43,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:26:43,296 INFO L93 Difference]: Finished difference Result 103 states and 107 transitions. [2022-11-19 08:26:43,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-19 08:26:43,297 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 20 states have (on average 1.5) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 62 [2022-11-19 08:26:43,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:26:43,297 INFO L225 Difference]: With dead ends: 103 [2022-11-19 08:26:43,298 INFO L226 Difference]: Without dead ends: 61 [2022-11-19 08:26:43,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 135 SyntacticMatches, 16 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=174, Invalid=1308, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 08:26:43,299 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 25 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 267 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:26:43,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 189 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 267 Unchecked, 0.2s Time] [2022-11-19 08:26:43,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-19 08:26:43,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-19 08:26:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.0) internal successors, (38), 38 states have internal predecessors, (38), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:26:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2022-11-19 08:26:43,314 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 62 [2022-11-19 08:26:43,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:26:43,315 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2022-11-19 08:26:43,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 20 states have (on average 1.5) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:26:43,315 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2022-11-19 08:26:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 08:26:43,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:26:43,316 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:26:43,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-19 08:26:43,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-19 08:26:43,524 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:26:43,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:26:43,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1841722973, now seen corresponding path program 1 times [2022-11-19 08:26:43,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:26:43,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978624641] [2022-11-19 08:26:43,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:43,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:26:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:26:43,617 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:26:43,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:26:43,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978624641] [2022-11-19 08:26:43,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978624641] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:26:43,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015925571] [2022-11-19 08:26:43,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:43,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:26:43,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:26:43,619 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:26:43,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-19 08:26:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:26:43,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:26:43,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:26:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:26:43,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:26:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-19 08:26:43,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015925571] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:26:43,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [716753029] [2022-11-19 08:26:43,907 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2022-11-19 08:26:43,907 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:26:43,907 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:26:43,908 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:26:43,908 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:26:43,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,071 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-19 08:26:44,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-19 08:26:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,181 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-19 08:26:44,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-19 08:26:44,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:44,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:44,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 08:26:44,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:44,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:44,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-19 08:26:44,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:44,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:44,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,678 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:26:44,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-19 08:26:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,723 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:26:44,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-19 08:26:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:26:44,779 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-19 08:26:44,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 102 [2022-11-19 08:26:45,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:45,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:26:45,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:26:45,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:26:45,716 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-19 08:26:45,757 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 28 for LOIs [2022-11-19 08:26:45,759 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 140 for LOIs [2022-11-19 08:26:45,806 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 77 for LOIs [2022-11-19 08:26:45,812 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:26:52,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [716753029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:26:52,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:26:52,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 40 [2022-11-19 08:26:52,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738789325] [2022-11-19 08:26:52,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:26:52,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-19 08:26:52,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:26:52,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-19 08:26:52,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1457, Unknown=0, NotChecked=0, Total=1640 [2022-11-19 08:26:52,847 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand has 33 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:26:55,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:26:55,078 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2022-11-19 08:26:55,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-19 08:26:55,079 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 64 [2022-11-19 08:26:55,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:26:55,080 INFO L225 Difference]: With dead ends: 61 [2022-11-19 08:26:55,080 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:26:55,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 148 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=226, Invalid=1936, Unknown=0, NotChecked=0, Total=2162 [2022-11-19 08:26:55,081 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 22 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 280 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:26:55,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 26 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 395 Invalid, 0 Unknown, 280 Unchecked, 0.6s Time] [2022-11-19 08:26:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:26:55,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:26:55,082 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) [2022-11-19 08:26:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:26:55,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2022-11-19 08:26:55,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:26:55,083 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:26:55,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:26:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:26:55,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:26:55,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-19 08:26:55,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-19 08:26:55,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-19 08:26:55,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-19 08:26:55,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-19 08:26:55,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-19 08:26:55,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-19 08:26:55,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-19 08:26:55,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-19 08:26:55,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-19 08:26:55,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:27:07,244 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-19 08:27:07,245 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-19 08:27:07,245 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2022-11-19 08:27:07,245 INFO L902 garLoopResultBuilder]: At program point staticReturnsFalseENTRY(lines 1552 1555) the Hoare annotation is: true [2022-11-19 08:27:07,245 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-19 08:27:07,245 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-19 08:27:07,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-19 08:27:07,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-19 08:27:07,246 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2022-11-19 08:27:07,246 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-11-19 08:27:07,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-19 08:27:07,246 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-19 08:27:07,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:27:07,246 INFO L899 garLoopResultBuilder]: For program point L1630-1(lines 1630 1636) no Hoare annotation was computed. [2022-11-19 08:27:07,247 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-19 08:27:07,247 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1579) no Hoare annotation was computed. [2022-11-19 08:27:07,247 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1637) no Hoare annotation was computed. [2022-11-19 08:27:07,247 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-11-19 08:27:07,247 INFO L899 garLoopResultBuilder]: For program point L1589-1(lines 1589 1600) no Hoare annotation was computed. [2022-11-19 08:27:07,247 INFO L899 garLoopResultBuilder]: For program point L1589-2(lines 1589 1600) no Hoare annotation was computed. [2022-11-19 08:27:07,247 INFO L899 garLoopResultBuilder]: For program point L1614(line 1614) no Hoare annotation was computed. [2022-11-19 08:27:07,247 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 1614 1620) no Hoare annotation was computed. [2022-11-19 08:27:07,248 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_goodG2B1_~data~2#1| 0)) (.cse5 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse6 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse7 (= (select |#length| 6) 18)) (.cse8 (= (select (select |#memory_int| 1) 0) 0)) (.cse9 (= ~globalArgv~0.offset 0)) (.cse10 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= (select |#valid| 7) 1)) (.cse13 (= 21 (select |#length| 5))) (.cse15 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse16 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse17 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse18 (= 48 (select |#length| 3))) (.cse19 (= 16 (select |#length| 7))) (.cse20 (= (select |#valid| 4) 1)) (.cse21 (= (select |#valid| 1) 1)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= ~globalArgv~0.base 0)) (.cse24 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse25 (= (select |#valid| 0) 0)) (.cse26 (= (select |#length| 1) 1)) (.cse27 (= (select |#valid| 2) 1)) (.cse28 (= |#NULL.offset| 0)) (.cse29 (= ~globalFalse~0 0)) (.cse30 (= ~globalArgc~0 0)) (.cse31 (= (select |#valid| 6) 1)) (.cse32 (= 5 ~globalFive~0)) (.cse33 (< 0 |#StackHeapBarrier|)) (.cse34 (= |#NULL.base| 0)) (.cse35 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse14 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse14) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse14 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse36 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse36 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse36)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse36 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) .cse33 .cse34 .cse35))) [2022-11-19 08:27:07,249 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (+ |ULTIMATE.start_goodB2G1_~result~0#1| 1) .cse0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (< 0 (+ .cse0 2147483648)) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1))) [2022-11-19 08:27:07,249 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-11-19 08:27:07,249 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1613) no Hoare annotation was computed. [2022-11-19 08:27:07,250 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse5 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse6 (= (select |#length| 6) 18)) (.cse7 (= (select (select |#memory_int| 1) 0) 0)) (.cse8 (= ~globalArgv~0.offset 0)) (.cse9 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= (select |#valid| 7) 1)) (.cse12 (= 21 (select |#length| 5))) (.cse14 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse15 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse16 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse17 (= 48 (select |#length| 3))) (.cse18 (= 16 (select |#length| 7))) (.cse19 (= (select |#valid| 4) 1)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (<= 0 ~globalArgv~0.base)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (<= ~globalArgv~0.base 0)) (.cse26 (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse31 (= ~globalArgc~0 0)) (.cse32 (= (select |#valid| 6) 1)) (.cse33 (= 5 ~globalFive~0)) (.cse34 (< 0 |#StackHeapBarrier|)) (.cse35 (= |#NULL.base| 0)) (.cse36 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse13 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse13) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse13 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse37 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse37 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse37)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse37 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) .cse34 .cse35 .cse36))) [2022-11-19 08:27:07,250 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-19 08:27:07,251 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (let ((.cse0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 0 .cse0) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= .cse0 0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (<= 0 ~globalArgv~0.base) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (<= ~globalArgv~0.base 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-19 08:27:07,251 INFO L895 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-19 08:27:07,251 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-19 08:27:07,252 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2022-11-19 08:27:07,252 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-11-19 08:27:07,252 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: false [2022-11-19 08:27:07,252 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-19 08:27:07,252 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-11-19 08:27:07,252 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-11-19 08:27:07,252 INFO L899 garLoopResultBuilder]: For program point L1617(line 1617) no Hoare annotation was computed. [2022-11-19 08:27:07,252 INFO L902 garLoopResultBuilder]: At program point L1650-1(line 1650) the Hoare annotation is: true [2022-11-19 08:27:07,252 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2022-11-19 08:27:07,253 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-11-19 08:27:07,253 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-11-19 08:27:07,253 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse5 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse6 (= (select |#length| 6) 18)) (.cse7 (= (select (select |#memory_int| 1) 0) 0)) (.cse8 (= ~globalArgv~0.offset 0)) (.cse9 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= (select |#valid| 7) 1)) (.cse12 (= 21 (select |#length| 5))) (.cse13 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse14 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse15 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse16 (= 48 (select |#length| 3))) (.cse17 (= 16 (select |#length| 7))) (.cse18 (= |ULTIMATE.start_goodG2B2_~data~3#1| 0)) (.cse19 (= (select |#valid| 4) 1)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (<= 0 ~globalArgv~0.base)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (<= ~globalArgv~0.base 0)) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse31 (= ~globalArgc~0 0)) (.cse32 (= (select |#valid| 6) 1)) (.cse33 (= 5 ~globalFive~0)) (.cse26 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (.cse35 (< 0 |#StackHeapBarrier|)) (.cse36 (= |#NULL.base| 0)) (.cse37 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= .cse26 0) .cse27 .cse28 .cse29 .cse30 (= |ULTIMATE.start_goodG2B1_~data~2#1| (+ |ULTIMATE.start_goodG2B1_~result~2#1| 1)) .cse31 .cse32 .cse33 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse34 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse34 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse34)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse34 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) .cse35 .cse36 .cse37) (let ((.cse38 (+ |ULTIMATE.start_goodG2B1_~result~2#1| 3))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= .cse38 0) .cse9 .cse10 .cse11 .cse12 (<= 0 .cse38) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse39 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse39) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse39 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse13 .cse14 .cse15 .cse16 (<= .cse26 0) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (<= 0 .cse26) .cse35 .cse36 .cse37)))) [2022-11-19 08:27:07,253 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-11-19 08:27:07,254 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2022-11-19 08:27:07,254 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-19 08:27:07,254 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-19 08:27:07,254 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2022-11-19 08:27:07,255 INFO L895 garLoopResultBuilder]: At program point L1626-4(lines 1626 1629) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse5 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse6 (= (select |#length| 6) 18)) (.cse7 (= (select (select |#memory_int| 1) 0) 0)) (.cse8 (= ~globalArgv~0.offset 0)) (.cse9 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= (select |#valid| 7) 1)) (.cse12 (= 21 (select |#length| 5))) (.cse13 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse14 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse15 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse16 (= (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2) 0)) (.cse17 (= 48 (select |#length| 3))) (.cse18 (= 16 (select |#length| 7))) (.cse19 (= (select |#valid| 4) 1)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (<= 0 ~globalArgv~0.base)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (<= ~globalArgv~0.base 0)) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse31 (= ~globalArgc~0 0)) (.cse32 (= (select |#valid| 6) 1)) (.cse33 (= 5 ~globalFive~0)) (.cse26 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (.cse35 (< 0 |#StackHeapBarrier|)) (.cse36 (= |#NULL.base| 0)) (.cse37 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= .cse26 0) .cse27 .cse28 .cse29 .cse30 (= |ULTIMATE.start_goodG2B1_~data~2#1| (+ |ULTIMATE.start_goodG2B1_~result~2#1| 1)) .cse31 .cse32 .cse33 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse34 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse34 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse34)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse34 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) .cse35 .cse36 .cse37) (let ((.cse38 (+ |ULTIMATE.start_goodG2B1_~result~2#1| 3))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= .cse38 0) .cse9 .cse10 .cse11 .cse12 (<= 0 .cse38) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse39 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse39) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse39 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse13 .cse14 .cse15 .cse16 .cse17 (<= .cse26 0) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (<= 0 .cse26) .cse35 .cse36 .cse37)))) [2022-11-19 08:27:07,255 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= 0 (+ .cse0 2147483648)) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1))) [2022-11-19 08:27:07,255 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse5 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse6 (= (select |#length| 6) 18)) (.cse7 (= (select (select |#memory_int| 1) 0) 0)) (.cse8 (= ~globalArgv~0.offset 0)) (.cse9 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= (select |#valid| 7) 1)) (.cse12 (= 21 (select |#length| 5))) (.cse14 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse15 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse16 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse17 (= 48 (select |#length| 3))) (.cse18 (= 16 (select |#length| 7))) (.cse19 (= (select |#valid| 4) 1)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (<= 0 ~globalArgv~0.base)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (<= ~globalArgv~0.base 0)) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse31 (= |ULTIMATE.start_goodG2B1_~data~2#1| (+ |ULTIMATE.start_goodG2B1_~result~2#1| 1))) (.cse32 (= ~globalArgc~0 0)) (.cse33 (= (select |#valid| 6) 1)) (.cse34 (= 5 ~globalFive~0)) (.cse26 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (.cse35 (< 0 |#StackHeapBarrier|)) (.cse36 (= |#NULL.base| 0)) (.cse37 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse13 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse13) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse13 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= .cse26 0) .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse14 .cse15 .cse16 .cse17 (<= .cse26 0) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse38 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse38 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse38)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse38 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) (<= 0 .cse26) .cse35 .cse36 .cse37))) [2022-11-19 08:27:07,256 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (<= 0 ~globalArgv~0.base) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (<= ~globalArgv~0.base 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-19 08:27:07,256 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-19 08:27:07,257 INFO L895 garLoopResultBuilder]: At program point L1585-4(lines 1585 1588) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 0 (+ .cse0 2147483648)) (= (select |#length| 6) 18) (<= .cse0 2147483647) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-19 08:27:07,257 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (let ((.cse0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= 0 .cse0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (<= .cse0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-19 08:27:07,257 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1564 1579) no Hoare annotation was computed. [2022-11-19 08:27:07,257 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1621) no Hoare annotation was computed. [2022-11-19 08:27:07,257 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:27:07,258 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-11-19 08:27:07,258 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= .cse0 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (<= .cse0 2147483647) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (<= 0 ~globalArgv~0.base) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (<= 0 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 2147483648)) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (<= ~globalArgv~0.base 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-19 08:27:07,258 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1578) no Hoare annotation was computed. [2022-11-19 08:27:07,258 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-19 08:27:07,259 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-19 08:27:07,259 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2022-11-19 08:27:07,259 INFO L902 garLoopResultBuilder]: At program point staticReturnsTrueENTRY(lines 1548 1551) the Hoare annotation is: true [2022-11-19 08:27:07,262 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:07,264 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:27:07,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:27:07 BoogieIcfgContainer [2022-11-19 08:27:07,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:27:07,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:27:07,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:27:07,280 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:27:07,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:23:15" (3/4) ... [2022-11-19 08:27:07,283 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:27:07,288 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-19 08:27:07,289 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-11-19 08:27:07,289 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-19 08:27:07,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-11-19 08:27:07,293 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-19 08:27:07,293 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-19 08:27:07,294 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:27:07,294 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:27:07,343 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:27:07,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:27:07,344 INFO L158 Benchmark]: Toolchain (without parser) took 234400.71ms. Allocated memory was 90.2MB in the beginning and 641.7MB in the end (delta: 551.6MB). Free memory was 54.8MB in the beginning and 291.8MB in the end (delta: -237.0MB). Peak memory consumption was 314.2MB. Max. memory is 16.1GB. [2022-11-19 08:27:07,346 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 94.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:27:07,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1246.26ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 54.6MB in the beginning and 44.0MB in the end (delta: 10.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-19 08:27:07,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.00ms. Allocated memory is still 119.5MB. Free memory was 44.0MB in the beginning and 93.1MB in the end (delta: -49.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-19 08:27:07,348 INFO L158 Benchmark]: Boogie Preprocessor took 57.67ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 91.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:27:07,349 INFO L158 Benchmark]: RCFGBuilder took 740.11ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 71.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-19 08:27:07,354 INFO L158 Benchmark]: TraceAbstraction took 232165.98ms. Allocated memory was 119.5MB in the beginning and 641.7MB in the end (delta: 522.2MB). Free memory was 70.1MB in the beginning and 296.0MB in the end (delta: -226.0MB). Peak memory consumption was 376.9MB. Max. memory is 16.1GB. [2022-11-19 08:27:07,355 INFO L158 Benchmark]: Witness Printer took 63.28ms. Allocated memory is still 641.7MB. Free memory was 296.0MB in the beginning and 291.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:27:07,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 94.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1246.26ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 54.6MB in the beginning and 44.0MB in the end (delta: 10.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.00ms. Allocated memory is still 119.5MB. Free memory was 44.0MB in the beginning and 93.1MB in the end (delta: -49.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.67ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 91.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 740.11ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 71.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 232165.98ms. Allocated memory was 119.5MB in the beginning and 641.7MB in the end (delta: 522.2MB). Free memory was 70.1MB in the beginning and 296.0MB in the end (delta: -226.0MB). Peak memory consumption was 376.9MB. Max. memory is 16.1GB. * Witness Printer took 63.28ms. Allocated memory is still 641.7MB. Free memory was 296.0MB in the beginning and 291.8MB 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 232.1s, OverallIterations: 18, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 477 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 401 mSDsluCounter, 3646 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3080 IncrementalHoareTripleChecker+Unchecked, 2700 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2807 IncrementalHoareTripleChecker+Invalid, 5993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 946 mSDtfsCounter, 2807 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1592 GetRequests, 1196 SyntacticMatches, 62 SemanticMatches, 334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4882 ImplicationChecksByTransitivity, 150.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=13, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 127 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 82 PreInvPairs, 108 NumberOfFragments, 3698 HoareAnnotationTreeSize, 82 FomulaSimplifications, 1881 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 23 FomulaSimplificationsInter, 37402 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1487 NumberOfCodeBlocks, 1487 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1877 ConstructedInterpolants, 4 QuantifiedInterpolants, 2641 SizeOfPredicates, 28 NumberOfNonLiveVariables, 3424 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 39 InterpolantComputations, 10 PerfectInterpolantSequences, 962/994 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 50.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 34, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 346, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 217, TOOLS_POST_TIME: 18.8s, TOOLS_POST_CALL_APPLICATIONS: 234, TOOLS_POST_CALL_TIME: 19.6s, TOOLS_POST_RETURN_APPLICATIONS: 156, TOOLS_POST_RETURN_TIME: 7.6s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 607, TOOLS_QUANTIFIERELIM_TIME: 45.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 841, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 207, DOMAIN_JOIN_TIME: 3.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 346, DOMAIN_ISBOTTOM_TIME: 0.9s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 156, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 9579, DAG_COMPRESSION_RETAINED_NODES: 862, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1650]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 08:27:07,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7b00b-b695-4c25-ab94-91e55ad13fed/bin/utaipan-I9t0OCRTmS/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