./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW --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 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea --- 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-4e7fbc6 [2022-11-23 14:39:32,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:39:32,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:39:32,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:39:32,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:39:32,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:39:32,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:39:32,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:39:32,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:39:32,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:39:32,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:39:32,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:39:32,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:39:32,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:39:32,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:39:32,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:39:32,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:39:32,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:39:32,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:39:32,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:39:32,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:39:32,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:39:32,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:39:32,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:39:32,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:39:32,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:39:32,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:39:32,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:39:32,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:39:32,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:39:32,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:39:32,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:39:32,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:39:32,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:39:32,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:39:32,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:39:32,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:39:32,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:39:32,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:39:32,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:39:32,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:39:32,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 14:39:32,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:39:32,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:39:32,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:39:32,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:39:32,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:39:32,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:39:32,819 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:39:32,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:39:32,820 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:39:32,820 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:39:32,821 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:39:32,821 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:39:32,822 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:39:32,822 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:39:32,822 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:39:32,822 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:39:32,823 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:39:32,823 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:39:32,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:39:32,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:39:32,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:39:32,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:39:32,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:39:32,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:39:32,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:39:32,825 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:39:32,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:39:32,826 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:39:32,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:39:32,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:39:32,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:39:32,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:39:32,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:39:32,828 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:39:32,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:39:32,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:39:32,829 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:39:32,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:39:32,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:39:32,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:39:32,830 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_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea [2022-11-23 14:39:33,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:39:33,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:39:33,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:39:33,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:39:33,254 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:39:33,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-11-23 14:39:36,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:39:36,839 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:39:36,840 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-11-23 14:39:36,868 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/data/186b706a0/8cb81fe511844e0e905ef42e3637782b/FLAGec7a08e7a [2022-11-23 14:39:36,886 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/data/186b706a0/8cb81fe511844e0e905ef42e3637782b [2022-11-23 14:39:36,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:39:36,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:39:36,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:39:36,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:39:36,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:39:36,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:39:36" (1/1) ... [2022-11-23 14:39:36,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4b43ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:36, skipping insertion in model container [2022-11-23 14:39:36,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:39:36" (1/1) ... [2022-11-23 14:39:36,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:39:37,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:39:37,435 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:39:38,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:39:38,012 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:39:38,037 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:39:38,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:39:38,273 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:39:38,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38 WrapperNode [2022-11-23 14:39:38,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:39:38,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:39:38,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:39:38,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:39:38,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,379 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-11-23 14:39:38,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:39:38,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:39:38,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:39:38,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:39:38,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,452 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:39:38,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:39:38,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:39:38,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:39:38,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (1/1) ... [2022-11-23 14:39:38,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:39:38,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:39:38,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:39:38,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:39:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 14:39:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 14:39:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 14:39:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 14:39:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:39:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:39:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:39:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 14:39:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:39:38,713 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:39:38,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:39:39,049 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:39:39,255 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:39:39,255 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 14:39:39,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:39 BoogieIcfgContainer [2022-11-23 14:39:39,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:39:39,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:39:39,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:39:39,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:39:39,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:39:36" (1/3) ... [2022-11-23 14:39:39,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e46b9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:39, skipping insertion in model container [2022-11-23 14:39:39,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:38" (2/3) ... [2022-11-23 14:39:39,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e46b9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:39, skipping insertion in model container [2022-11-23 14:39:39,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:39" (3/3) ... [2022-11-23 14:39:39,273 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-11-23 14:39:39,295 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:39:39,295 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-23 14:39:39,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:39:39,376 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;@968c34c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:39:39,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-23 14:39:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 37 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 14:39:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 14:39:39,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:39,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:39,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:39,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:39,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1231915530, now seen corresponding path program 1 times [2022-11-23 14:39:39,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:39,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827800472] [2022-11-23 14:39:39,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:39,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:39:39,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:39,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827800472] [2022-11-23 14:39:39,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827800472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:39,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:39,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:39:39,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793858359] [2022-11-23 14:39:39,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:39,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:39:39,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:39,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:39:40,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:39:40,002 INFO L87 Difference]: Start difference. First operand has 44 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 37 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:40,167 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2022-11-23 14:39:40,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:39:40,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-23 14:39:40,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:40,179 INFO L225 Difference]: With dead ends: 85 [2022-11-23 14:39:40,179 INFO L226 Difference]: Without dead ends: 44 [2022-11-23 14:39:40,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:39:40,187 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:40,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:39:40,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-23 14:39:40,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-23 14:39:40,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 38 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:39:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2022-11-23 14:39:40,235 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 7 [2022-11-23 14:39:40,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:40,237 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2022-11-23 14:39:40,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2022-11-23 14:39:40,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 14:39:40,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:40,239 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:40,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:39:40,240 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:40,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:40,241 INFO L85 PathProgramCache]: Analyzing trace with hash -499922354, now seen corresponding path program 1 times [2022-11-23 14:39:40,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:40,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361187853] [2022-11-23 14:39:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:40,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:40,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:39:40,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:40,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361187853] [2022-11-23 14:39:40,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361187853] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:39:40,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613868541] [2022-11-23 14:39:40,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:40,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:39:40,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:39:40,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:39:40,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:39:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:40,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:39:40,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:39:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:39:40,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:39:40,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613868541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:40,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:39:40,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 14:39:40,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449593896] [2022-11-23 14:39:40,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:40,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:39:40,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:40,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:39:40,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 14:39:40,788 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:40,838 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2022-11-23 14:39:40,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:39:40,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-23 14:39:40,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:40,840 INFO L225 Difference]: With dead ends: 78 [2022-11-23 14:39:40,840 INFO L226 Difference]: Without dead ends: 40 [2022-11-23 14:39:40,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:39:40,842 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:40,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 79 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:40,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-23 14:39:40,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-23 14:39:40,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 34 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:39:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-23 14:39:40,851 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 10 [2022-11-23 14:39:40,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:40,851 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-23 14:39:40,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:40,852 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-23 14:39:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:39:40,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:40,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:40,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:39:41,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:39:41,061 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:41,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:41,061 INFO L85 PathProgramCache]: Analyzing trace with hash 611278119, now seen corresponding path program 1 times [2022-11-23 14:39:41,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:41,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821669477] [2022-11-23 14:39:41,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:41,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:39:41,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:41,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821669477] [2022-11-23 14:39:41,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821669477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:41,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:41,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:39:41,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247951594] [2022-11-23 14:39:41,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:41,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:39:41,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:41,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:39:41,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:41,187 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:41,255 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2022-11-23 14:39:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:39:41,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-23 14:39:41,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:41,260 INFO L225 Difference]: With dead ends: 71 [2022-11-23 14:39:41,260 INFO L226 Difference]: Without dead ends: 53 [2022-11-23 14:39:41,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:41,262 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 11 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:41,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 70 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:41,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-23 14:39:41,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 41. [2022-11-23 14:39:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.52) internal successors, (38), 35 states have internal predecessors, (38), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:39:41,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2022-11-23 14:39:41,275 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 12 [2022-11-23 14:39:41,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:41,276 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2022-11-23 14:39:41,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-23 14:39:41,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:39:41,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:41,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:41,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:39:41,279 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:41,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:41,281 INFO L85 PathProgramCache]: Analyzing trace with hash 611179511, now seen corresponding path program 1 times [2022-11-23 14:39:41,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:41,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208582782] [2022-11-23 14:39:41,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:41,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:39:41,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:41,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208582782] [2022-11-23 14:39:41,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208582782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:41,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:41,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:39:41,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924580423] [2022-11-23 14:39:41,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:41,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:39:41,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:41,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:39:41,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:41,382 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:41,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:41,437 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-11-23 14:39:41,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:39:41,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-23 14:39:41,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:41,440 INFO L225 Difference]: With dead ends: 41 [2022-11-23 14:39:41,441 INFO L226 Difference]: Without dead ends: 40 [2022-11-23 14:39:41,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:41,443 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 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 [2022-11-23 14:39:41,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:41,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-23 14:39:41,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-23 14:39:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.48) internal successors, (37), 34 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:39:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-23 14:39:41,461 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 12 [2022-11-23 14:39:41,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:41,462 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-23 14:39:41,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:41,462 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-23 14:39:41,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 14:39:41,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:41,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:41,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:39:41,465 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:41,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:41,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1766695741, now seen corresponding path program 1 times [2022-11-23 14:39:41,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:41,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105431647] [2022-11-23 14:39:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:41,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:39:41,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:41,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105431647] [2022-11-23 14:39:41,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105431647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:41,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:41,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:39:41,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040773542] [2022-11-23 14:39:41,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:41,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:39:41,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:41,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:39:41,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:41,680 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:41,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:41,717 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-11-23 14:39:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:39:41,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-23 14:39:41,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:41,727 INFO L225 Difference]: With dead ends: 40 [2022-11-23 14:39:41,727 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 14:39:41,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:41,729 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:41,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 36 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:41,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 14:39:41,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-23 14:39:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.44) internal successors, (36), 33 states have internal predecessors, (36), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:39:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-11-23 14:39:41,747 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 13 [2022-11-23 14:39:41,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:41,748 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-11-23 14:39:41,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:39:41,749 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-23 14:39:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 14:39:41,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:41,750 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:41,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:39:41,751 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:41,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:41,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1370502306, now seen corresponding path program 1 times [2022-11-23 14:39:41,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:41,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358950068] [2022-11-23 14:39:41,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:41,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:39:41,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:41,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358950068] [2022-11-23 14:39:41,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358950068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:41,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:41,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:39:41,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116805837] [2022-11-23 14:39:41,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:41,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:39:41,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:41,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:39:41,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:39:41,866 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:39:41,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:41,930 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-11-23 14:39:41,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:39:41,930 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2022-11-23 14:39:41,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:41,932 INFO L225 Difference]: With dead ends: 49 [2022-11-23 14:39:41,932 INFO L226 Difference]: Without dead ends: 47 [2022-11-23 14:39:41,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:39:41,933 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 6 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:41,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 94 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:41,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-23 14:39:41,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-23 14:39:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 40 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-23 14:39:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-11-23 14:39:41,954 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 16 [2022-11-23 14:39:41,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:41,954 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-11-23 14:39:41,955 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:39:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-23 14:39:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 14:39:41,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:41,957 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:41,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:39:41,959 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:41,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:41,961 INFO L85 PathProgramCache]: Analyzing trace with hash -544310589, now seen corresponding path program 1 times [2022-11-23 14:39:41,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:41,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722110391] [2022-11-23 14:39:41,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:41,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:39:42,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:42,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722110391] [2022-11-23 14:39:42,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722110391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:42,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:42,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:39:42,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633301989] [2022-11-23 14:39:42,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:42,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:39:42,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:42,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:39:42,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:39:42,058 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:39:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:42,109 INFO L93 Difference]: Finished difference Result 65 states and 74 transitions. [2022-11-23 14:39:42,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:39:42,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-23 14:39:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:42,111 INFO L225 Difference]: With dead ends: 65 [2022-11-23 14:39:42,112 INFO L226 Difference]: Without dead ends: 50 [2022-11-23 14:39:42,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:39:42,114 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 3 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:42,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-23 14:39:42,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-23 14:39:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 43 states have internal predecessors, (46), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-23 14:39:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2022-11-23 14:39:42,136 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 20 [2022-11-23 14:39:42,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:42,137 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2022-11-23 14:39:42,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:39:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-11-23 14:39:42,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 14:39:42,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:42,139 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:42,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:39:42,140 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:42,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:42,141 INFO L85 PathProgramCache]: Analyzing trace with hash -2055101797, now seen corresponding path program 1 times [2022-11-23 14:39:42,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:42,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118448681] [2022-11-23 14:39:42,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:42,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:39:42,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:42,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118448681] [2022-11-23 14:39:42,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118448681] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:39:42,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046242803] [2022-11-23 14:39:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:42,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:39:42,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:39:42,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:39:42,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:39:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:42,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:39:42,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:39:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:39:42,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:39:42,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046242803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:42,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:39:42,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 14:39:42,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905187906] [2022-11-23 14:39:42,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:42,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:39:42,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:42,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:39:42,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 14:39:42,426 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:39:42,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:42,472 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2022-11-23 14:39:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:39:42,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-23 14:39:42,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:42,474 INFO L225 Difference]: With dead ends: 64 [2022-11-23 14:39:42,474 INFO L226 Difference]: Without dead ends: 46 [2022-11-23 14:39:42,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:39:42,478 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 13 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:42,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 102 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-23 14:39:42,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-23 14:39:42,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.28125) internal successors, (41), 39 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-23 14:39:42,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2022-11-23 14:39:42,491 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 23 [2022-11-23 14:39:42,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:42,492 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2022-11-23 14:39:42,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:39:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-11-23 14:39:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 14:39:42,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:42,493 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:42,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:39:42,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:39:42,704 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:42,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:42,704 INFO L85 PathProgramCache]: Analyzing trace with hash 110044222, now seen corresponding path program 1 times [2022-11-23 14:39:42,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:42,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793000688] [2022-11-23 14:39:42,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:42,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 14:39:42,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:42,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793000688] [2022-11-23 14:39:42,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793000688] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:39:42,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144901403] [2022-11-23 14:39:42,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:42,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:39:42,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:39:42,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:39:42,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:39:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:42,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:39:42,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:39:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:39:42,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:39:42,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144901403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:42,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:39:42,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 14:39:42,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004505117] [2022-11-23 14:39:42,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:42,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:39:42,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:42,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:39:42,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 14:39:42,987 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:39:43,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:43,052 INFO L93 Difference]: Finished difference Result 66 states and 73 transitions. [2022-11-23 14:39:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:39:43,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 24 [2022-11-23 14:39:43,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:43,054 INFO L225 Difference]: With dead ends: 66 [2022-11-23 14:39:43,054 INFO L226 Difference]: Without dead ends: 36 [2022-11-23 14:39:43,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:39:43,056 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 35 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:43,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 64 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:43,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-23 14:39:43,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-23 14:39:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 30 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:39:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-11-23 14:39:43,062 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 24 [2022-11-23 14:39:43,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:43,075 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-11-23 14:39:43,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:39:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-11-23 14:39:43,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 14:39:43,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:43,085 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:43,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:39:43,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:39:43,298 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:43,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:43,298 INFO L85 PathProgramCache]: Analyzing trace with hash 716359098, now seen corresponding path program 1 times [2022-11-23 14:39:43,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:43,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287062038] [2022-11-23 14:39:43,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:43,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:39:43,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:43,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287062038] [2022-11-23 14:39:43,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287062038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:43,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:43,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:39:43,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626127549] [2022-11-23 14:39:43,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:43,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:39:43,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:43,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:39:43,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:43,363 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:39:43,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:43,393 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-11-23 14:39:43,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:39:43,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-23 14:39:43,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:43,395 INFO L225 Difference]: With dead ends: 40 [2022-11-23 14:39:43,395 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 14:39:43,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:43,396 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:43,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 53 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:43,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 14:39:43,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2022-11-23 14:39:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 32 states have internal predecessors, (33), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:39:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2022-11-23 14:39:43,403 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 24 [2022-11-23 14:39:43,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:43,404 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-11-23 14:39:43,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:39:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-11-23 14:39:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 14:39:43,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:43,405 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:43,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 14:39:43,406 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:43,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:43,407 INFO L85 PathProgramCache]: Analyzing trace with hash 732295686, now seen corresponding path program 1 times [2022-11-23 14:39:43,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:43,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961044679] [2022-11-23 14:39:43,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:43,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:39:43,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:43,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961044679] [2022-11-23 14:39:43,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961044679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:43,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:43,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:39:43,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652196771] [2022-11-23 14:39:43,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:43,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:39:43,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:43,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:39:43,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:43,466 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:39:43,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:43,495 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-11-23 14:39:43,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:39:43,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-23 14:39:43,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:43,497 INFO L225 Difference]: With dead ends: 38 [2022-11-23 14:39:43,497 INFO L226 Difference]: Without dead ends: 37 [2022-11-23 14:39:43,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:43,498 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 6 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:43,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 45 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:43,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-23 14:39:43,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-23 14:39:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 31 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:39:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2022-11-23 14:39:43,505 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 25 [2022-11-23 14:39:43,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:43,506 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2022-11-23 14:39:43,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:39:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-11-23 14:39:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 14:39:43,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:43,511 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:43,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 14:39:43,512 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:43,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:43,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1530142354, now seen corresponding path program 1 times [2022-11-23 14:39:43,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:43,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888033225] [2022-11-23 14:39:43,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:43,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:43,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:39:43,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:43,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888033225] [2022-11-23 14:39:43,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888033225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:43,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:43,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:39:43,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908357049] [2022-11-23 14:39:43,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:43,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:39:43,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:43,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:39:43,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:39:43,595 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:39:43,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:43,648 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-11-23 14:39:43,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:39:43,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-11-23 14:39:43,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:43,650 INFO L225 Difference]: With dead ends: 44 [2022-11-23 14:39:43,650 INFO L226 Difference]: Without dead ends: 42 [2022-11-23 14:39:43,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:39:43,651 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:43,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 79 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:39:43,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-23 14:39:43,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-23 14:39:43,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 14:39:43,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2022-11-23 14:39:43,657 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 30 [2022-11-23 14:39:43,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:43,658 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2022-11-23 14:39:43,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:39:43,659 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-11-23 14:39:43,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 14:39:43,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:43,659 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 14:39:43,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 14:39:43,660 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:43,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:43,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1983089271, now seen corresponding path program 1 times [2022-11-23 14:39:43,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:43,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659698651] [2022-11-23 14:39:43,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:43,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:39:43,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:43,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659698651] [2022-11-23 14:39:43,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659698651] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:39:43,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029348549] [2022-11-23 14:39:43,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:43,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:39:43,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:39:43,757 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:39:43,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:39:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:43,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:39:43,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:39:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:39:43,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:39:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:39:44,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029348549] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:39:44,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [67214023] [2022-11-23 14:39:44,028 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-23 14:39:44,029 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:39:44,034 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:39:44,040 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:39:44,041 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:39:45,529 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 32 for LOIs [2022-11-23 14:39:45,533 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 98 for LOIs [2022-11-23 14:39:45,573 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:39:49,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [67214023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:49,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:39:49,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [5, 3, 3] total 26 [2022-11-23 14:39:49,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220416819] [2022-11-23 14:39:49,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:49,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-23 14:39:49,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:49,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-23 14:39:49,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:39:49,628 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 19 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:39:53,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:53,127 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2022-11-23 14:39:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 14:39:53,128 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2022-11-23 14:39:53,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:53,128 INFO L225 Difference]: With dead ends: 69 [2022-11-23 14:39:53,129 INFO L226 Difference]: Without dead ends: 41 [2022-11-23 14:39:53,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 73 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=229, Invalid=1103, Unknown=0, NotChecked=0, Total=1332 [2022-11-23 14:39:53,132 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 82 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:53,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 131 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 14:39:53,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-23 14:39:53,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-23 14:39:53,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 32 states have (on average 1.09375) internal successors, (35), 34 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:39:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2022-11-23 14:39:53,148 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 33 [2022-11-23 14:39:53,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:53,148 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2022-11-23 14:39:53,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:39:53,149 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2022-11-23 14:39:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 14:39:53,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:53,151 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 14:39:53,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 14:39:53,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 14:39:53,363 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:39:53,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:53,364 INFO L85 PathProgramCache]: Analyzing trace with hash -530417242, now seen corresponding path program 1 times [2022-11-23 14:39:53,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:53,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426763398] [2022-11-23 14:39:53,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:53,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:39:53,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:53,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426763398] [2022-11-23 14:39:53,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426763398] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:39:53,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588707252] [2022-11-23 14:39:53,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:53,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:39:53,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:39:53,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:39:53,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 14:39:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:53,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:39:53,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:39:53,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:39:53,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:39:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:39:53,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588707252] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:39:53,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [320012158] [2022-11-23 14:39:53,664 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-23 14:39:53,664 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:39:53,664 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:39:53,664 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:39:53,664 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:39:54,681 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 67 for LOIs [2022-11-23 14:39:54,703 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 62 for LOIs [2022-11-23 14:39:54,712 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:40:00,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [320012158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:40:00,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:40:00,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [5, 3, 3] total 27 [2022-11-23 14:40:00,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340746194] [2022-11-23 14:40:00,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:40:00,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-23 14:40:00,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:40:00,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-23 14:40:00,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2022-11-23 14:40:00,808 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 20 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:40:04,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:40:04,363 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2022-11-23 14:40:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-23 14:40:04,363 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35 [2022-11-23 14:40:04,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:40:04,365 INFO L225 Difference]: With dead ends: 41 [2022-11-23 14:40:04,365 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:40:04,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=244, Invalid=1238, Unknown=0, NotChecked=0, Total=1482 [2022-11-23 14:40:04,369 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 60 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:40:04,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 13 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:40:04,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:40:04,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:40:04,372 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) [2022-11-23 14:40:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:40:04,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-11-23 14:40:04,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:40:04,373 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:40:04,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:40:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:40:04,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:40:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-23 14:40:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-23 14:40:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-23 14:40:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-23 14:40:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-23 14:40:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-23 14:40:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-23 14:40:04,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-23 14:40:04,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-23 14:40:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-23 14:40:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-23 14:40:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-23 14:40:04,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 14:40:04,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 14:40:04,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 14:40:06,734 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 14:40:06,734 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 14:40:06,734 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 14:40:06,735 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 14:40:06,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-23 14:40:06,735 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 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 (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~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|) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (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|) (= |ULTIMATE.start_goodB2G_~result~0#1| |ULTIMATE.start_goodB2G_~data~0#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (< 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-23 14:40:06,735 INFO L899 garLoopResultBuilder]: For program point L1580-2(line 1580) no Hoare annotation was computed. [2022-11-23 14:40:06,736 INFO L899 garLoopResultBuilder]: For program point L1580-3(line 1580) no Hoare annotation was computed. [2022-11-23 14:40:06,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-23 14:40:06,736 INFO L895 garLoopResultBuilder]: At program point L1580-4(lines 1580 1587) the Hoare annotation is: (let ((.cse14 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (and (let ((.cse0 (<= 0 ~GLOBAL_CONST_FALSE~0)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse2 (<= |ULTIMATE.start_goodG2B_~h~0#1| 1)) (.cse5 (<= 5 ~GLOBAL_CONST_FIVE~0)) (.cse6 (<= ~GLOBAL_CONST_TRUE~0 1)) (.cse7 (<= ~globalArgv~0.offset 0)) (.cse8 (<= ~GLOBAL_CONST_FIVE~0 5)) (.cse9 (<= 1 ~GLOBAL_CONST_TRUE~0)) (.cse10 (<= ~GLOBAL_CONST_FALSE~0 0)) (.cse11 (<= 0 ~globalArgv~0.offset)) (.cse12 (<= |ULTIMATE.start_goodB2G_~k~0#1| 1)) (.cse13 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1))) (or (let ((.cse3 (+ |ULTIMATE.start_goodG2B_~data~1#1| 3)) (.cse4 (+ |ULTIMATE.start_goodG2B_~result~1#1| 3))) (and .cse0 .cse1 .cse2 (<= 0 .cse3) (<= 0 .cse4) .cse5 .cse6 .cse7 (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_goodG2B_~j~0#1| 1) (<= .cse3 0) .cse12 .cse13 (<= .cse4 0))) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= 0 .cse14) .cse11 .cse12 (<= 0 |ULTIMATE.start_goodG2B_~j~0#1|) (<= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse13))) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (= (select (select |#memory_int| 1) 0) 0) (= (select |#valid| 3) 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|) (<= .cse14 0) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (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) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-23 14:40:06,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-23 14:40:06,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 14:40:06,737 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 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 (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (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) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-23 14:40:06,737 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-23 14:40:06,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-23 14:40:06,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-23 14:40:06,738 INFO L899 garLoopResultBuilder]: For program point L1557-2(line 1557) no Hoare annotation was computed. [2022-11-23 14:40:06,738 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2022-11-23 14:40:06,738 INFO L895 garLoopResultBuilder]: At program point L1557-4(lines 1557 1569) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse2 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse3 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse4 (= (select (select |#memory_int| 1) 0) 0)) (.cse5 (= ~globalArgv~0.offset 0)) (.cse6 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse10 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse11 (= (select |#valid| 4) 1)) (.cse12 (= (select |#length| 3) 18)) (.cse13 (= (select |#valid| 1) 1)) (.cse14 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse15 (= ~globalArgv~0.base 0)) (.cse16 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse17 (= (select |#valid| 0) 0)) (.cse18 (= 54 (select |#length| 2))) (.cse19 (= (select |#length| 1) 1)) (.cse20 (= (select |#valid| 2) 1)) (.cse21 (= 16 (select |#length| 4))) (.cse22 (= |#NULL.offset| 0)) (.cse23 (= ~globalFalse~0 0)) (.cse24 (= ~globalArgc~0 0)) (.cse25 (= 5 ~globalFive~0)) (.cse26 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) (.cse27 (< 0 |#StackHeapBarrier|)) (.cse28 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse29 (= |#NULL.base| 0)) (.cse30 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30) (and .cse0 .cse1 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .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 .cse27 .cse28 .cse29 .cse30))) [2022-11-23 14:40:06,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-23 14:40:06,739 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-11-23 14:40:06,739 INFO L902 garLoopResultBuilder]: At program point L1599-1(line 1599) the Hoare annotation is: true [2022-11-23 14:40:06,739 INFO L899 garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed. [2022-11-23 14:40:06,739 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-23 14:40:06,739 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-23 14:40:06,740 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 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 (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (<= (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648) 0) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-23 14:40:06,740 INFO L899 garLoopResultBuilder]: For program point L1567-1(lines 1557 1569) no Hoare annotation was computed. [2022-11-23 14:40:06,740 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1568) no Hoare annotation was computed. [2022-11-23 14:40:06,740 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-23 14:40:06,740 INFO L899 garLoopResultBuilder]: For program point L1576-3(line 1576) no Hoare annotation was computed. [2022-11-23 14:40:06,741 INFO L899 garLoopResultBuilder]: For program point L1576-4(line 1576) no Hoare annotation was computed. [2022-11-23 14:40:06,741 INFO L895 garLoopResultBuilder]: At program point L1576-5(lines 1576 1579) the Hoare annotation is: (and (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (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) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~data~1#1| 0) (= |ULTIMATE.start_goodG2B_~h~0#1| 0)) (and .cse0 (= |ULTIMATE.start_goodG2B_~h~0#1| 1) .cse1 (= (+ |ULTIMATE.start_goodG2B_~data~1#1| 2) 0)))) (< 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-23 14:40:06,741 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-23 14:40:06,742 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_goodG2B_~h~0#1| 1) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodG2B_~j~0#1| 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|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~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|) (= (+ |ULTIMATE.start_goodG2B_~data~1#1| 3) 0) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (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|) (= |ULTIMATE.start_goodG2B_~result~1#1| |ULTIMATE.start_goodG2B_~data~1#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (< 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-23 14:40:06,742 INFO L899 garLoopResultBuilder]: For program point L1585-1(lines 1580 1587) no Hoare annotation was computed. [2022-11-23 14:40:06,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:40:06,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-23 14:40:06,742 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-23 14:40:06,742 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2022-11-23 14:40:06,743 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-11-23 14:40:06,743 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-11-23 14:40:06,743 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse2 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse3 (= (select (select |#memory_int| 1) 0) 0)) (.cse4 (= ~globalArgv~0.offset 0)) (.cse5 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse8 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse10 (= (select |#valid| 4) 1)) (.cse11 (= (select |#length| 3) 18)) (.cse12 (= (select |#valid| 1) 1)) (.cse13 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse14 (= ~globalArgv~0.base 0)) (.cse15 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse16 (= (select |#valid| 0) 0)) (.cse17 (= 54 (select |#length| 2))) (.cse18 (= (select |#length| 1) 1)) (.cse19 (= (select |#valid| 2) 1)) (.cse20 (= 16 (select |#length| 4))) (.cse21 (= |#NULL.offset| 0)) (.cse22 (= ~globalFalse~0 0)) (.cse23 (= ~globalArgc~0 0)) (.cse24 (= 5 ~globalFive~0)) (.cse25 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) (.cse26 (< 0 |#StackHeapBarrier|)) (.cse27 (= |#NULL.base| 0)) (.cse28 (= ~globalTrue~0 1))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) .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 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) .cse27 .cse28) (and .cse0 .cse1 .cse2 (< 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_goodB2G_~i~1#1| 0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28))) [2022-11-23 14:40:06,743 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-23 14:40:06,743 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-23 14:40:06,749 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:40:06,752 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:40:06,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:40:06 BoogieIcfgContainer [2022-11-23 14:40:06,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:40:06,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:40:06,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:40:06,780 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:40:06,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:39" (3/4) ... [2022-11-23 14:40:06,783 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:40:06,789 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 14:40:06,789 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 14:40:06,793 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-23 14:40:06,794 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-23 14:40:06,794 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 14:40:06,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:40:06,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:40:06,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:40:06,836 INFO L158 Benchmark]: Toolchain (without parser) took 29944.98ms. Allocated memory was 138.4MB in the beginning and 358.6MB in the end (delta: 220.2MB). Free memory was 71.7MB in the beginning and 222.5MB in the end (delta: -150.8MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2022-11-23 14:40:06,836 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:40:06,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1381.49ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 71.4MB in the beginning and 117.2MB in the end (delta: -45.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-23 14:40:06,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.32ms. Allocated memory is still 205.5MB. Free memory was 117.2MB in the beginning and 114.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:40:06,837 INFO L158 Benchmark]: Boogie Preprocessor took 81.58ms. Allocated memory is still 205.5MB. Free memory was 114.1MB in the beginning and 113.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:40:06,838 INFO L158 Benchmark]: RCFGBuilder took 788.39ms. Allocated memory is still 205.5MB. Free memory was 112.0MB in the beginning and 167.3MB in the end (delta: -55.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 14:40:06,838 INFO L158 Benchmark]: TraceAbstraction took 27517.85ms. Allocated memory was 205.5MB in the beginning and 358.6MB in the end (delta: 153.1MB). Free memory was 166.2MB in the beginning and 225.6MB in the end (delta: -59.4MB). Peak memory consumption was 206.0MB. Max. memory is 16.1GB. [2022-11-23 14:40:06,838 INFO L158 Benchmark]: Witness Printer took 55.95ms. Allocated memory is still 358.6MB. Free memory was 225.6MB in the beginning and 222.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:40:06,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1381.49ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 71.4MB in the beginning and 117.2MB in the end (delta: -45.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.32ms. Allocated memory is still 205.5MB. Free memory was 117.2MB in the beginning and 114.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.58ms. Allocated memory is still 205.5MB. Free memory was 114.1MB in the beginning and 113.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 788.39ms. Allocated memory is still 205.5MB. Free memory was 112.0MB in the beginning and 167.3MB in the end (delta: -55.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 27517.85ms. Allocated memory was 205.5MB in the beginning and 358.6MB in the end (delta: 153.1MB). Free memory was 166.2MB in the beginning and 225.6MB in the end (delta: -59.4MB). Peak memory consumption was 206.0MB. Max. memory is 16.1GB. * Witness Printer took 55.95ms. Allocated memory is still 358.6MB. Free memory was 225.6MB in the beginning and 222.5MB in the end (delta: 3.1MB). 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 27.4s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 281 mSDsluCounter, 1041 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 633 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 974 IncrementalHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 408 mSDtfsCounter, 974 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 214 SyntacticMatches, 11 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=7, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 31 PreInvPairs, 50 NumberOfFragments, 1338 HoareAnnotationTreeSize, 31 FomulaSimplifications, 518 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 2054 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 409 NumberOfCodeBlocks, 409 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 456 ConstructedInterpolants, 0 QuantifiedInterpolants, 835 SizeOfPredicates, 3 NumberOfNonLiveVariables, 652 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 21 InterpolantComputations, 12 PerfectInterpolantSequences, 94/107 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: 2.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 64, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 104, TOOLS_POST_TIME: 1.4s, TOOLS_POST_CALL_APPLICATIONS: 26, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 20, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 142, TOOLS_QUANTIFIERELIM_TIME: 1.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 224, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 36, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 64, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME: 0.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 20, CALL_SUMMARIZER_CACHE_MISSES: 4, 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: 2871, DAG_COMPRESSION_RETAINED_NODES: 230, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((#in~argv == argv && argc == unknown-#in~argc-unknown) && 1 <= k) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && #in~argv == #in~argv) && #in~argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && #in~argv == #in~argv) && globalArgv == 0) && unknown-#in~argc-unknown == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && k <= 1) && 5 == globalFive) && data <= 2147483647) && ((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && data == 0) && h == 0) || (((GLOBAL_CONST_FALSE == 0 && h == 1) && 1 <= i) && data + 2 == 0))) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((0 <= GLOBAL_CONST_FALSE && 1 <= i) && h <= 1) && 0 <= data + 3) && 0 <= result + 3) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && 1 <= j) && GLOBAL_CONST_FIVE <= 5) && 1 <= GLOBAL_CONST_TRUE) && GLOBAL_CONST_FALSE <= 0) && 0 <= globalArgv) && j <= 1) && data + 3 <= 0) && k <= 1) && i <= 1) && result + 3 <= 0) || ((((((((((((((0 <= GLOBAL_CONST_FALSE && 1 <= i) && h <= 1) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && GLOBAL_CONST_FIVE <= 5) && 1 <= GLOBAL_CONST_TRUE) && GLOBAL_CONST_FALSE <= 0) && 0 <= data + 2) && 0 <= globalArgv) && k <= 1) && 0 <= j) && j <= 0) && i <= 1)) && #in~argv == argv) && argc == unknown-#in~argc-unknown) && 1 <= h) && 1 <= k) && unknown-#memory_int-unknown[1][0] == 0) && \valid[3] == 1) && #in~argv == #in~argv) && #in~argv == argv) && data + 2 <= 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && #in~argv == #in~argv) && globalArgv == 0) && unknown-#in~argc-unknown == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && #in~argv == argv) && argc == unknown-#in~argc-unknown) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && #in~argv == #in~argv) && #in~argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && #in~argv == #in~argv) && globalArgv == 0) && unknown-#in~argc-unknown == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && #in~argv == argv) && argc == unknown-#in~argc-unknown) && 0 < data + 2147483648) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && #in~argv == #in~argv) && #in~argv == argv) && i == 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && #in~argv == #in~argv) && globalArgv == 0) && unknown-#in~argc-unknown == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && #in~argv == argv) && argc == unknown-#in~argc-unknown) && 1 <= k) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && #in~argv == #in~argv) && #in~argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && #in~argv == #in~argv) && globalArgv == 0) && unknown-#in~argc-unknown == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && k <= 1) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) || (((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && k == 0) && #in~argv == argv) && argc == unknown-#in~argc-unknown) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && #in~argv == #in~argv) && #in~argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && #in~argv == #in~argv) && globalArgv == 0) && unknown-#in~argc-unknown == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) RESULT: Ultimate proved your program to be correct! [2022-11-23 14:40:06,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8f4b71-d4df-4d31-8c9a-4b134a6db09f/bin/utaipan-Q6hlc19bkW/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