./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Nested.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh --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 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 --- 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-2329fc7 [2022-12-14 12:40:47,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:40:47,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:40:47,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:40:47,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:40:47,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:40:47,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:40:47,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:40:47,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:40:47,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:40:47,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:40:47,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:40:47,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:40:47,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:40:47,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:40:47,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:40:47,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:40:47,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:40:47,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:40:47,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:40:47,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:40:47,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:40:47,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:40:47,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:40:47,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:40:47,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:40:47,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:40:47,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:40:47,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:40:47,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:40:47,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:40:47,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:40:47,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:40:47,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:40:47,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:40:47,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:40:47,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:40:47,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:40:47,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:40:47,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:40:47,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:40:47,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 12:40:47,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:40:47,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:40:47,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:40:47,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:40:47,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:40:47,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:40:47,154 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:40:47,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:40:47,154 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:40:47,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:40:47,154 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:40:47,154 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:40:47,155 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:40:47,155 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:40:47,155 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:40:47,155 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:40:47,155 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:40:47,155 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:40:47,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:40:47,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:40:47,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:40:47,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:40:47,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:40:47,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:40:47,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:40:47,157 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:40:47,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:40:47,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:40:47,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:40:47,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:40:47,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:40:47,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:40:47,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:40:47,158 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:40:47,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:40:47,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:40:47,158 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:40:47,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:40:47,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:40:47,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:40:47,159 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_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 [2022-12-14 12:40:47,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:40:47,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:40:47,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:40:47,343 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:40:47,344 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:40:47,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/termination-restricted-15/java_Nested.c [2022-12-14 12:40:49,841 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:40:49,986 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:40:49,987 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2022-12-14 12:40:49,991 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/data/f4c3568bb/10869159c3774939aed38a80ec30827b/FLAGa48b2a230 [2022-12-14 12:40:50,406 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/data/f4c3568bb/10869159c3774939aed38a80ec30827b [2022-12-14 12:40:50,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:40:50,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:40:50,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:40:50,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:40:50,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:40:50,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a82af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50, skipping insertion in model container [2022-12-14 12:40:50,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:40:50,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:40:50,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:40:50,526 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:40:50,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:40:50,543 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:40:50,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50 WrapperNode [2022-12-14 12:40:50,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:40:50,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:40:50,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:40:50,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:40:50,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,563 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-12-14 12:40:50,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:40:50,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:40:50,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:40:50,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:40:50,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:40:50,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:40:50,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:40:50,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:40:50,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (1/1) ... [2022-12-14 12:40:50,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:40:50,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:50,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:40:50,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:40:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:40:50,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:40:50,699 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:40:50,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:40:50,760 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:40:50,773 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:40:50,773 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 12:40:50,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:40:50 BoogieIcfgContainer [2022-12-14 12:40:50,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:40:50,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:40:50,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:40:50,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:40:50,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:40:50" (1/3) ... [2022-12-14 12:40:50,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119e33c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:40:50, skipping insertion in model container [2022-12-14 12:40:50,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:50" (2/3) ... [2022-12-14 12:40:50,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119e33c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:40:50, skipping insertion in model container [2022-12-14 12:40:50,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:40:50" (3/3) ... [2022-12-14 12:40:50,784 INFO L112 eAbstractionObserver]: Analyzing ICFG java_Nested.c [2022-12-14 12:40:50,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:40:50,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 12:40:50,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:40:50,841 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;@23b8c0a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:40:50,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 12:40:50,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 19 states have internal predecessors, (21), 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) [2022-12-14 12:40:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 12:40:50,848 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:50,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 12:40:50,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:50,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:50,853 INFO L85 PathProgramCache]: Analyzing trace with hash 2365646, now seen corresponding path program 1 times [2022-12-14 12:40:50,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:50,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842986988] [2022-12-14 12:40:50,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:50,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:50,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:50,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842986988] [2022-12-14 12:40:50,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842986988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:50,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:50,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:40:50,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131192004] [2022-12-14 12:40:50,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:50,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:50,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:51,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:51,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,009 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,054 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2022-12-14 12:40:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:51,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 12:40:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,062 INFO L225 Difference]: With dead ends: 48 [2022-12-14 12:40:51,062 INFO L226 Difference]: Without dead ends: 28 [2022-12-14 12:40:51,064 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 [2022-12-14 12:40:51,067 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:51,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-14 12:40:51,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2022-12-14 12:40:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 25 states have internal predecessors, (31), 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) [2022-12-14 12:40:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-12-14 12:40:51,095 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 4 [2022-12-14 12:40:51,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:51,095 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-12-14 12:40:51,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,096 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-14 12:40:51,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 12:40:51,096 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:51,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 12:40:51,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:40:51,097 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:51,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:51,098 INFO L85 PathProgramCache]: Analyzing trace with hash 2364701, now seen corresponding path program 1 times [2022-12-14 12:40:51,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:51,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919915767] [2022-12-14 12:40:51,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:51,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:51,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919915767] [2022-12-14 12:40:51,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919915767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:51,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:51,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:40:51,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340545172] [2022-12-14 12:40:51,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:51,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:51,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:51,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:51,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,128 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,150 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-12-14 12:40:51,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:51,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 12:40:51,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,151 INFO L225 Difference]: With dead ends: 28 [2022-12-14 12:40:51,151 INFO L226 Difference]: Without dead ends: 27 [2022-12-14 12:40:51,152 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 [2022-12-14 12:40:51,153 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 20 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:51,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-14 12:40:51,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2022-12-14 12:40:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 25 states have internal predecessors, (30), 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) [2022-12-14 12:40:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-12-14 12:40:51,159 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 4 [2022-12-14 12:40:51,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:51,159 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-12-14 12:40:51,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-12-14 12:40:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 12:40:51,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:51,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 12:40:51,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:40:51,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:51,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:51,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2022487905, now seen corresponding path program 1 times [2022-12-14 12:40:51,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:51,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633243860] [2022-12-14 12:40:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:51,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:51,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633243860] [2022-12-14 12:40:51,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633243860] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:51,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:51,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:40:51,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332979199] [2022-12-14 12:40:51,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:51,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:51,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:51,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:51,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,195 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-12-14 12:40:51,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,204 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-12-14 12:40:51,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:51,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 12:40:51,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,205 INFO L225 Difference]: With dead ends: 26 [2022-12-14 12:40:51,205 INFO L226 Difference]: Without dead ends: 25 [2022-12-14 12:40:51,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,212 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:51,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-14 12:40:51,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-14 12:40:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-12-14 12:40:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-12-14 12:40:51,218 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 6 [2022-12-14 12:40:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:51,218 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-12-14 12:40:51,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-12-14 12:40:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 12:40:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 12:40:51,219 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:51,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:51,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:40:51,219 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:51,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:51,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1727384443, now seen corresponding path program 1 times [2022-12-14 12:40:51,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:51,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261010113] [2022-12-14 12:40:51,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:51,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:51,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261010113] [2022-12-14 12:40:51,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261010113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:51,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:51,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:40:51,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618914789] [2022-12-14 12:40:51,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:51,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:51,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:51,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:51,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,250 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,262 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-12-14 12:40:51,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:51,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 12:40:51,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,263 INFO L225 Difference]: With dead ends: 32 [2022-12-14 12:40:51,263 INFO L226 Difference]: Without dead ends: 31 [2022-12-14 12:40:51,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,264 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:51,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-14 12:40:51,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-12-14 12:40:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2022-12-14 12:40:51,268 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 7 [2022-12-14 12:40:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:51,268 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2022-12-14 12:40:51,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-12-14 12:40:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:40:51,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:51,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:51,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:40:51,269 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:51,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:51,270 INFO L85 PathProgramCache]: Analyzing trace with hash 2009310241, now seen corresponding path program 1 times [2022-12-14 12:40:51,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:51,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762274814] [2022-12-14 12:40:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:51,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:51,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762274814] [2022-12-14 12:40:51,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762274814] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:51,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:51,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:40:51,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669299787] [2022-12-14 12:40:51,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:51,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:40:51,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:51,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:40:51,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:40:51,302 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,320 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-12-14 12:40:51,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:40:51,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 12:40:51,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,321 INFO L225 Difference]: With dead ends: 31 [2022-12-14 12:40:51,321 INFO L226 Difference]: Without dead ends: 29 [2022-12-14 12:40:51,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:40:51,322 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:51,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-14 12:40:51,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-14 12:40:51,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 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) [2022-12-14 12:40:51,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-12-14 12:40:51,326 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 8 [2022-12-14 12:40:51,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:51,326 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-12-14 12:40:51,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,327 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-12-14 12:40:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 12:40:51,327 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:51,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:51,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:40:51,327 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:51,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:51,328 INFO L85 PathProgramCache]: Analyzing trace with hash 402247408, now seen corresponding path program 1 times [2022-12-14 12:40:51,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:51,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109576371] [2022-12-14 12:40:51,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:51,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:51,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109576371] [2022-12-14 12:40:51,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109576371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:51,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:51,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:40:51,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260206387] [2022-12-14 12:40:51,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:51,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:51,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:51,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:51,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,357 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,368 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-12-14 12:40:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:51,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 12:40:51,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,369 INFO L225 Difference]: With dead ends: 29 [2022-12-14 12:40:51,369 INFO L226 Difference]: Without dead ends: 28 [2022-12-14 12:40:51,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,370 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:51,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-14 12:40:51,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-14 12:40:51,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.25) internal successors, (30), 27 states have internal predecessors, (30), 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) [2022-12-14 12:40:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-12-14 12:40:51,375 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 11 [2022-12-14 12:40:51,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:51,376 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-12-14 12:40:51,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-12-14 12:40:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 12:40:51,376 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:51,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:51,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:40:51,377 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:51,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:51,377 INFO L85 PathProgramCache]: Analyzing trace with hash -415232171, now seen corresponding path program 1 times [2022-12-14 12:40:51,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:51,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773592124] [2022-12-14 12:40:51,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:51,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:51,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773592124] [2022-12-14 12:40:51,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773592124] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:51,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:51,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:40:51,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080952598] [2022-12-14 12:40:51,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:51,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:51,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:51,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:51,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,416 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,430 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2022-12-14 12:40:51,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:51,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 12:40:51,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,431 INFO L225 Difference]: With dead ends: 43 [2022-12-14 12:40:51,431 INFO L226 Difference]: Without dead ends: 42 [2022-12-14 12:40:51,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,433 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:51,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-14 12:40:51,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2022-12-14 12:40:51,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 38 states have internal predecessors, (45), 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) [2022-12-14 12:40:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-12-14 12:40:51,439 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 12 [2022-12-14 12:40:51,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:51,440 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-12-14 12:40:51,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,440 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-12-14 12:40:51,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 12:40:51,440 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:51,441 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:51,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 12:40:51,441 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:51,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:51,442 INFO L85 PathProgramCache]: Analyzing trace with hash -415261481, now seen corresponding path program 1 times [2022-12-14 12:40:51,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:51,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538731095] [2022-12-14 12:40:51,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:51,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:51,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538731095] [2022-12-14 12:40:51,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538731095] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:51,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:51,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:40:51,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19065031] [2022-12-14 12:40:51,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:51,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:51,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:51,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:51,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:51,473 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,486 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-12-14 12:40:51,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:51,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 12:40:51,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,487 INFO L225 Difference]: With dead ends: 39 [2022-12-14 12:40:51,487 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 12:40:51,487 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 [2022-12-14 12:40:51,487 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:51,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 12:40:51,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2022-12-14 12:40:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-12-14 12:40:51,491 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 12 [2022-12-14 12:40:51,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:51,491 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-12-14 12:40:51,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-12-14 12:40:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 12:40:51,492 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:51,492 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:51,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:40:51,493 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:51,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:51,493 INFO L85 PathProgramCache]: Analyzing trace with hash 365677081, now seen corresponding path program 1 times [2022-12-14 12:40:51,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:51,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475147859] [2022-12-14 12:40:51,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:51,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:51,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475147859] [2022-12-14 12:40:51,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475147859] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:51,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553048674] [2022-12-14 12:40:51,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:51,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:51,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:51,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:40:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:40:51,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:51,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:40:51,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:51,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553048674] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:40:51,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1332120009] [2022-12-14 12:40:51,643 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 12:40:51,644 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:40:51,646 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:40:51,649 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:40:51,650 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:40:51,817 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:40:52,034 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '716#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 2 |ULTIMATE.start_main_~j~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-12-14 12:40:52,034 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:40:52,034 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:40:52,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2022-12-14 12:40:52,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582695334] [2022-12-14 12:40:52,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:40:52,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:40:52,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:52,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:40:52,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-12-14 12:40:52,037 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-12-14 12:40:52,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:52,062 INFO L93 Difference]: Finished difference Result 87 states and 100 transitions. [2022-12-14 12:40:52,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:52,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 12:40:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:52,064 INFO L225 Difference]: With dead ends: 87 [2022-12-14 12:40:52,064 INFO L226 Difference]: Without dead ends: 86 [2022-12-14 12:40:52,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-12-14 12:40:52,065 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 25 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 46 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 [2022-12-14 12:40:52,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 46 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:52,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-14 12:40:52,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2022-12-14 12:40:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 82 states have (on average 1.146341463414634) internal successors, (94), 83 states have internal predecessors, (94), 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) [2022-12-14 12:40:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2022-12-14 12:40:52,073 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 14 [2022-12-14 12:40:52,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:52,073 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2022-12-14 12:40:52,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-12-14 12:40:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2022-12-14 12:40:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 12:40:52,074 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:52,074 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2022-12-14 12:40:52,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:40:52,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:52,276 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:52,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:52,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1769200146, now seen corresponding path program 1 times [2022-12-14 12:40:52,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:52,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059719708] [2022-12-14 12:40:52,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:52,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:40:52,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:52,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059719708] [2022-12-14 12:40:52,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059719708] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:52,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:52,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:40:52,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557500089] [2022-12-14 12:40:52,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:52,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:52,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:52,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:52,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:52,401 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-14 12:40:52,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:52,431 INFO L93 Difference]: Finished difference Result 84 states and 94 transitions. [2022-12-14 12:40:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:52,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-14 12:40:52,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:52,434 INFO L225 Difference]: With dead ends: 84 [2022-12-14 12:40:52,434 INFO L226 Difference]: Without dead ends: 83 [2022-12-14 12:40:52,434 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 [2022-12-14 12:40:52,435 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:52,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:52,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-12-14 12:40:52,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2022-12-14 12:40:52,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 51 states have internal predecessors, (56), 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) [2022-12-14 12:40:52,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2022-12-14 12:40:52,441 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 23 [2022-12-14 12:40:52,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:52,442 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2022-12-14 12:40:52,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-14 12:40:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-12-14 12:40:52,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 12:40:52,443 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:52,443 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2022-12-14 12:40:52,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:40:52,444 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:52,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:52,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1371586555, now seen corresponding path program 2 times [2022-12-14 12:40:52,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:52,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420235309] [2022-12-14 12:40:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:52,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:52,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:52,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420235309] [2022-12-14 12:40:52,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420235309] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:52,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867858200] [2022-12-14 12:40:52,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:40:52,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:52,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:52,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:52,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:40:52,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 12:40:52,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:40:52,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:40:52,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:52,624 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:52,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:40:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:52,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867858200] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:40:52,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1715119198] [2022-12-14 12:40:52,703 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 12:40:52,703 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:40:52,703 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:40:52,704 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:40:52,704 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:40:52,781 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:40:53,006 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1314#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 2 |ULTIMATE.start_main_~j~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-12-14 12:40:53,006 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:40:53,006 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:40:53,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-14 12:40:53,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047463215] [2022-12-14 12:40:53,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:40:53,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 12:40:53,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:53,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 12:40:53,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2022-12-14 12:40:53,008 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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) [2022-12-14 12:40:53,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:53,052 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2022-12-14 12:40:53,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 12:40:53,053 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-12-14 12:40:53,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:53,053 INFO L225 Difference]: With dead ends: 119 [2022-12-14 12:40:53,053 INFO L226 Difference]: Without dead ends: 118 [2022-12-14 12:40:53,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 86 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2022-12-14 12:40:53,054 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 69 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 89 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 [2022-12-14 12:40:53,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 89 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:53,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-12-14 12:40:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-12-14 12:40:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.0940170940170941) internal successors, (128), 117 states have internal predecessors, (128), 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) [2022-12-14 12:40:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 128 transitions. [2022-12-14 12:40:53,065 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 128 transitions. Word has length 35 [2022-12-14 12:40:53,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:53,065 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 128 transitions. [2022-12-14 12:40:53,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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) [2022-12-14 12:40:53,065 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2022-12-14 12:40:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 12:40:53,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:53,067 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 1, 1, 1] [2022-12-14 12:40:53,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 12:40:53,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 12:40:53,269 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:53,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:53,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1582553413, now seen corresponding path program 3 times [2022-12-14 12:40:53,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:53,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418925115] [2022-12-14 12:40:53,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:53,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:53,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:53,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418925115] [2022-12-14 12:40:53,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418925115] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:53,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622564359] [2022-12-14 12:40:53,584 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 12:40:53,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:53,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:53,585 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:53,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:40:53,629 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 12:40:53,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:40:53,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 12:40:53,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 12:40:53,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:40:53,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622564359] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:53,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:40:53,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [11] total 24 [2022-12-14 12:40:53,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613606129] [2022-12-14 12:40:53,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:53,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 12:40:53,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:53,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 12:40:53,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-12-14 12:40:53,797 INFO L87 Difference]: Start difference. First operand 118 states and 128 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 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) [2022-12-14 12:40:53,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:53,887 INFO L93 Difference]: Finished difference Result 482 states and 537 transitions. [2022-12-14 12:40:53,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 12:40:53,888 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-12-14 12:40:53,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:53,890 INFO L225 Difference]: With dead ends: 482 [2022-12-14 12:40:53,890 INFO L226 Difference]: Without dead ends: 466 [2022-12-14 12:40:53,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-12-14 12:40:53,891 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 24 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:53,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 70 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:40:53,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-12-14 12:40:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 458. [2022-12-14 12:40:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 457 states have (on average 1.1334792122538293) internal successors, (518), 457 states have internal predecessors, (518), 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) [2022-12-14 12:40:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 518 transitions. [2022-12-14 12:40:53,907 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 518 transitions. Word has length 77 [2022-12-14 12:40:53,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:53,907 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 518 transitions. [2022-12-14 12:40:53,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 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) [2022-12-14 12:40:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 518 transitions. [2022-12-14 12:40:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 12:40:53,909 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:53,909 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1] [2022-12-14 12:40:53,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 12:40:54,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 12:40:54,110 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:54,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:54,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1502045668, now seen corresponding path program 1 times [2022-12-14 12:40:54,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:54,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061457528] [2022-12-14 12:40:54,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:54,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-12-14 12:40:54,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:54,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061457528] [2022-12-14 12:40:54,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061457528] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:54,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735060968] [2022-12-14 12:40:54,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:54,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:54,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:54,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:54,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:40:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:54,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:40:54,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-12-14 12:40:54,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:40:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-12-14 12:40:54,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735060968] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:40:54,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1714872179] [2022-12-14 12:40:54,275 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 12:40:54,276 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:40:54,276 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:40:54,276 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:40:54,276 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:40:54,429 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:40:54,726 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3459#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-12-14 12:40:54,726 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:40:54,726 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:40:54,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-12-14 12:40:54,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349111631] [2022-12-14 12:40:54,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:40:54,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 12:40:54,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:54,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 12:40:54,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-12-14 12:40:54,728 INFO L87 Difference]: Start difference. First operand 458 states and 518 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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) [2022-12-14 12:40:54,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:54,778 INFO L93 Difference]: Finished difference Result 605 states and 682 transitions. [2022-12-14 12:40:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 12:40:54,778 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-14 12:40:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:54,779 INFO L225 Difference]: With dead ends: 605 [2022-12-14 12:40:54,779 INFO L226 Difference]: Without dead ends: 213 [2022-12-14 12:40:54,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 221 SyntacticMatches, 11 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-12-14 12:40:54,780 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 19 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:54,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 35 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:54,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-12-14 12:40:54,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 208. [2022-12-14 12:40:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 207 states have (on average 1.0724637681159421) internal successors, (222), 207 states have internal predecessors, (222), 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) [2022-12-14 12:40:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 222 transitions. [2022-12-14 12:40:54,787 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 222 transitions. Word has length 81 [2022-12-14 12:40:54,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:54,787 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 222 transitions. [2022-12-14 12:40:54,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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) [2022-12-14 12:40:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 222 transitions. [2022-12-14 12:40:54,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 12:40:54,788 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:54,789 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1] [2022-12-14 12:40:54,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 12:40:54,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:54,990 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:54,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:54,990 INFO L85 PathProgramCache]: Analyzing trace with hash 603999588, now seen corresponding path program 2 times [2022-12-14 12:40:54,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:54,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179914207] [2022-12-14 12:40:54,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:54,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 204 proven. 111 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 12:40:55,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:55,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179914207] [2022-12-14 12:40:55,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179914207] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:55,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862344285] [2022-12-14 12:40:55,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:40:55,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:55,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:55,156 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:55,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 12:40:55,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-12-14 12:40:55,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:40:55,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 12:40:55,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 204 proven. 111 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 12:40:55,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:40:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 204 proven. 111 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 12:40:55,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862344285] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:40:55,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [17908129] [2022-12-14 12:40:55,368 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 12:40:55,368 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:40:55,368 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:40:55,369 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:40:55,369 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:40:55,492 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:40:55,814 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4909#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-12-14 12:40:55,814 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:40:55,814 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:40:55,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2022-12-14 12:40:55,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564332762] [2022-12-14 12:40:55,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:40:55,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 12:40:55,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:55,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 12:40:55,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2022-12-14 12:40:55,815 INFO L87 Difference]: Start difference. First operand 208 states and 222 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 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) [2022-12-14 12:40:55,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:55,864 INFO L93 Difference]: Finished difference Result 284 states and 301 transitions. [2022-12-14 12:40:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 12:40:55,865 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-14 12:40:55,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:55,866 INFO L225 Difference]: With dead ends: 284 [2022-12-14 12:40:55,866 INFO L226 Difference]: Without dead ends: 150 [2022-12-14 12:40:55,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 216 SyntacticMatches, 22 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2022-12-14 12:40:55,867 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 23 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:55,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 35 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:55,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-12-14 12:40:55,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 142. [2022-12-14 12:40:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.0638297872340425) internal successors, (150), 141 states have internal predecessors, (150), 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) [2022-12-14 12:40:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2022-12-14 12:40:55,875 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 81 [2022-12-14 12:40:55,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:55,875 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2022-12-14 12:40:55,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 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) [2022-12-14 12:40:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2022-12-14 12:40:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 12:40:55,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:55,876 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1] [2022-12-14 12:40:55,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 12:40:56,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:56,077 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:56,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:56,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1410955406, now seen corresponding path program 3 times [2022-12-14 12:40:56,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:56,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179018134] [2022-12-14 12:40:56,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:56,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:56,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:56,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179018134] [2022-12-14 12:40:56,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179018134] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:56,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278696174] [2022-12-14 12:40:56,341 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 12:40:56,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:56,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:56,342 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:56,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 12:40:56,379 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 12:40:56,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:40:56,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 12:40:56,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:56,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:40:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:56,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278696174] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:40:56,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [775986546] [2022-12-14 12:40:56,657 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 12:40:56,657 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:40:56,657 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:40:56,657 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:40:56,658 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:40:56,787 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:40:57,078 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5918#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-12-14 12:40:57,078 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:40:57,079 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:40:57,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2022-12-14 12:40:57,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074275020] [2022-12-14 12:40:57,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:40:57,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-14 12:40:57,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:57,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-14 12:40:57,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=690, Unknown=0, NotChecked=0, Total=992 [2022-12-14 12:40:57,080 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 24 states, 23 states have (on average 7.043478260869565) internal successors, (162), 23 states have internal predecessors, (162), 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) [2022-12-14 12:40:57,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:57,130 INFO L93 Difference]: Finished difference Result 231 states and 250 transitions. [2022-12-14 12:40:57,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 12:40:57,131 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.043478260869565) internal successors, (162), 23 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-12-14 12:40:57,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:57,132 INFO L225 Difference]: With dead ends: 231 [2022-12-14 12:40:57,132 INFO L226 Difference]: Without dead ends: 230 [2022-12-14 12:40:57,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 211 SyntacticMatches, 11 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=690, Unknown=0, NotChecked=0, Total=992 [2022-12-14 12:40:57,133 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 6 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:57,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 143 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:40:57,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-12-14 12:40:57,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2022-12-14 12:40:57,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.039301310043668) internal successors, (238), 229 states have internal predecessors, (238), 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) [2022-12-14 12:40:57,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 238 transitions. [2022-12-14 12:40:57,140 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 238 transitions. Word has length 81 [2022-12-14 12:40:57,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:57,140 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 238 transitions. [2022-12-14 12:40:57,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.043478260869565) internal successors, (162), 23 states have internal predecessors, (162), 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) [2022-12-14 12:40:57,141 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 238 transitions. [2022-12-14 12:40:57,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-14 12:40:57,142 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:57,142 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 3, 2, 2, 2, 1, 1] [2022-12-14 12:40:57,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 12:40:57,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 12:40:57,344 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:57,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:57,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1198210715, now seen corresponding path program 4 times [2022-12-14 12:40:57,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:57,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867980688] [2022-12-14 12:40:57,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:57,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1779 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 12:40:57,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:57,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867980688] [2022-12-14 12:40:57,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867980688] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:57,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163772272] [2022-12-14 12:40:57,850 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 12:40:57,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:57,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:57,851 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:57,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 12:40:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:57,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 12:40:57,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1779 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 12:40:58,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:40:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1779 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 12:40:58,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163772272] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:40:58,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [43083363] [2022-12-14 12:40:58,613 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 12:40:58,613 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:40:58,613 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:40:58,613 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:40:58,613 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:40:58,712 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:40:59,385 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7519#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-12-14 12:40:59,385 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:40:59,385 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:40:59,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2022-12-14 12:40:59,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970654381] [2022-12-14 12:40:59,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:40:59,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-12-14 12:40:59,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:59,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-12-14 12:40:59,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1154, Invalid=1926, Unknown=0, NotChecked=0, Total=3080 [2022-12-14 12:40:59,387 INFO L87 Difference]: Start difference. First operand 230 states and 238 transitions. Second operand has 48 states, 47 states have (on average 7.191489361702128) internal successors, (338), 47 states have internal predecessors, (338), 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) [2022-12-14 12:40:59,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:59,507 INFO L93 Difference]: Finished difference Result 411 states and 442 transitions. [2022-12-14 12:40:59,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-14 12:40:59,508 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 7.191489361702128) internal successors, (338), 47 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2022-12-14 12:40:59,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:59,517 INFO L225 Difference]: With dead ends: 411 [2022-12-14 12:40:59,517 INFO L226 Difference]: Without dead ends: 410 [2022-12-14 12:40:59,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 451 SyntacticMatches, 23 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2152 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1154, Invalid=1926, Unknown=0, NotChecked=0, Total=3080 [2022-12-14 12:40:59,518 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 26 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:59,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 290 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:40:59,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-12-14 12:40:59,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2022-12-14 12:40:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 409 states have (on average 1.02200488997555) internal successors, (418), 409 states have internal predecessors, (418), 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) [2022-12-14 12:40:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 418 transitions. [2022-12-14 12:40:59,527 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 418 transitions. Word has length 169 [2022-12-14 12:40:59,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:59,527 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 418 transitions. [2022-12-14 12:40:59,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 7.191489361702128) internal successors, (338), 47 states have internal predecessors, (338), 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) [2022-12-14 12:40:59,527 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 418 transitions. [2022-12-14 12:40:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-12-14 12:40:59,530 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:59,530 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 6, 5, 5, 5, 1, 1] [2022-12-14 12:40:59,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 12:40:59,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 12:40:59,732 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:40:59,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1382603954, now seen corresponding path program 5 times [2022-12-14 12:40:59,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:59,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286674165] [2022-12-14 12:40:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 12:41:01,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:41:01,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286674165] [2022-12-14 12:41:01,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286674165] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:41:01,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221063766] [2022-12-14 12:41:01,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:41:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:41:01,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:41:01,486 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:41:01,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 12:41:01,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2022-12-14 12:41:01,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:41:01,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-14 12:41:01,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:41:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 12:41:01,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:41:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 12:41:03,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221063766] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:41:03,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [672208801] [2022-12-14 12:41:03,829 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 12:41:03,829 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:41:03,829 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:41:03,829 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:41:03,829 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:41:03,944 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:41:05,706 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10668#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-12-14 12:41:05,706 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:41:05,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:41:05,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2022-12-14 12:41:05,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688198992] [2022-12-14 12:41:05,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:41:05,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-12-14 12:41:05,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:41:05,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-12-14 12:41:05,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4586, Invalid=6126, Unknown=0, NotChecked=0, Total=10712 [2022-12-14 12:41:05,711 INFO L87 Difference]: Start difference. First operand 410 states and 418 transitions. Second operand has 96 states, 95 states have (on average 7.347368421052631) internal successors, (698), 95 states have internal predecessors, (698), 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) [2022-12-14 12:41:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:41:06,054 INFO L93 Difference]: Finished difference Result 767 states and 822 transitions. [2022-12-14 12:41:06,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-12-14 12:41:06,055 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 7.347368421052631) internal successors, (698), 95 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 349 [2022-12-14 12:41:06,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:41:06,059 INFO L225 Difference]: With dead ends: 767 [2022-12-14 12:41:06,059 INFO L226 Difference]: Without dead ends: 766 [2022-12-14 12:41:06,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1092 GetRequests, 943 SyntacticMatches, 47 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7792 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=4586, Invalid=6126, Unknown=0, NotChecked=0, Total=10712 [2022-12-14 12:41:06,061 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 22 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:41:06,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 572 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:41:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2022-12-14 12:41:06,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 766. [2022-12-14 12:41:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 765 states have (on average 1.011764705882353) internal successors, (774), 765 states have internal predecessors, (774), 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) [2022-12-14 12:41:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 774 transitions. [2022-12-14 12:41:06,076 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 774 transitions. Word has length 349 [2022-12-14 12:41:06,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:41:06,076 INFO L495 AbstractCegarLoop]: Abstraction has 766 states and 774 transitions. [2022-12-14 12:41:06,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 7.347368421052631) internal successors, (698), 95 states have internal predecessors, (698), 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) [2022-12-14 12:41:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 774 transitions. [2022-12-14 12:41:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2022-12-14 12:41:06,087 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:41:06,087 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 11, 10, 10, 10, 1, 1] [2022-12-14 12:41:06,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 12:41:06,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 12:41:06,289 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 12:41:06,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:41:06,291 INFO L85 PathProgramCache]: Analyzing trace with hash 763791643, now seen corresponding path program 6 times [2022-12-14 12:41:06,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:41:06,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348338173] [2022-12-14 12:41:06,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:41:06,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:41:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 32207 backedges. 0 proven. 32197 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 12:41:12,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:41:12,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348338173] [2022-12-14 12:41:12,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348338173] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:41:12,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363695166] [2022-12-14 12:41:12,209 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 12:41:12,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:41:12,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:41:12,210 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:41:12,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 12:41:12,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 12:41:12,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:41:12,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 12:41:12,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:41:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 32207 backedges. 29535 proven. 0 refuted. 0 times theorem prover too weak. 2672 trivial. 0 not checked. [2022-12-14 12:41:13,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:41:13,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363695166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:41:13,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:41:13,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [95] total 107 [2022-12-14 12:41:13,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191032623] [2022-12-14 12:41:13,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:41:13,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 12:41:13,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:41:13,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 12:41:13,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2022-12-14 12:41:13,138 INFO L87 Difference]: Start difference. First operand 766 states and 774 transitions. Second operand has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 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) [2022-12-14 12:41:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:41:13,189 INFO L93 Difference]: Finished difference Result 766 states and 774 transitions. [2022-12-14 12:41:13,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 12:41:13,189 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 705 [2022-12-14 12:41:13,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:41:13,190 INFO L225 Difference]: With dead ends: 766 [2022-12-14 12:41:13,190 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 12:41:13,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2022-12-14 12:41:13,192 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:41:13,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:41:13,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 12:41:13,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 12:41:13,193 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) [2022-12-14 12:41:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 12:41:13,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 705 [2022-12-14 12:41:13,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:41:13,193 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 12:41:13,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 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) [2022-12-14 12:41:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 12:41:13,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 12:41:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-14 12:41:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-14 12:41:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-14 12:41:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-14 12:41:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-14 12:41:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-14 12:41:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-14 12:41:13,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-14 12:41:13,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-14 12:41:13,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 12:41:13,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 12:41:16,433 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-12-14 12:41:16,433 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 12:41:16,433 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-12-14 12:41:16,433 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-12-14 12:41:16,434 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2022-12-14 12:41:16,437 INFO L895 garLoopResultBuilder]: At program point L12-2(lines 12 16) the Hoare annotation is: (let ((.cse19 (<= |ULTIMATE.start_main_~c~0#1| 9)) (.cse21 (<= |ULTIMATE.start_main_~c~0#1| 18)) (.cse26 (<= |ULTIMATE.start_main_~i~0#1| 0)) (.cse29 (< |ULTIMATE.start_main_~c~0#1| 2147483635)) (.cse27 (< |ULTIMATE.start_main_~c~0#1| 2147483617)) (.cse31 (<= |ULTIMATE.start_main_~c~0#1| 45)) (.cse14 (<= 7 |ULTIMATE.start_main_~j~0#1|)) (.cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse23 (<= |ULTIMATE.start_main_~c~0#1| 36)) (.cse16 (<= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse28 (< |ULTIMATE.start_main_~c~0#1| 2147483608)) (.cse30 (<= |ULTIMATE.start_main_~c~0#1| 27)) (.cse11 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (<= 5 |ULTIMATE.start_main_~i~0#1|)) (.cse12 (<= 7 |ULTIMATE.start_main_~i~0#1|)) (.cse24 (< |ULTIMATE.start_main_~c~0#1| 2147483626)) (.cse9 (<= 11 |ULTIMATE.start_main_~j~0#1|)) (.cse22 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (.cse13 (<= 8 |ULTIMATE.start_main_~j~0#1|)) (.cse15 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (.cse18 (<= 12 |ULTIMATE.start_main_~j~0#1|)) (.cse7 (<= 6 |ULTIMATE.start_main_~j~0#1|)) (.cse8 (<= 9 |ULTIMATE.start_main_~i~0#1|)) (.cse17 (<= 4 |ULTIMATE.start_main_~j~0#1|)) (.cse10 (<= 9 |ULTIMATE.start_main_~j~0#1|)) (.cse25 (<= 3 |ULTIMATE.start_main_~i~0#1|)) (.cse0 (<= 3 |ULTIMATE.start_main_~j~0#1|)) (.cse20 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse1 (<= 10 |ULTIMATE.start_main_~j~0#1|)) (.cse2 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse3 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse5 (<= |ULTIMATE.start_main_~i~0#1| 9))) (or (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 25) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 7) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483602) .cse6 .cse2 .cse3 .cse7 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483643) .cse2 .cse3 .cse8 .cse5 .cse9) (and .cse0 .cse10 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 6) .cse5) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483634) .cse5 .cse11 .cse9) (and .cse0 .cse12 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483624) .cse3 .cse5) (and .cse13 .cse0 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483622) .cse5) (and .cse0 .cse14 (< |ULTIMATE.start_main_~c~0#1| 2147483612) .cse2 .cse3 .cse5 .cse15) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483610) .cse16 .cse2 .cse3 .cse5 .cse15) (and (< |ULTIMATE.start_main_~c~0#1| 2147483616) .cse0 .cse2 .cse3 .cse5 .cse15 .cse9) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 19) .cse2 .cse3 .cse4 .cse5 .cse17) (and .cse0 .cse10 (< |ULTIMATE.start_main_~c~0#1| 2147483614) .cse2 .cse3 .cse5 .cse15) (and .cse0 .cse2 .cse3 .cse18 .cse19 .cse5) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 26) .cse4 .cse5 .cse9) (and (<= |ULTIMATE.start_main_~c~0#1| 21) .cse0 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse2 .cse3 .cse7 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 3)) (and .cse0 .cse20 .cse2 .cse3 .cse18 .cse21 .cse5) (and .cse0 .cse14 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 40) .cse5 .cse22) (and .cse0 .cse23 .cse2 .cse5 .cse22) (and .cse0 .cse14 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483630) .cse5 .cse11) (and .cse0 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483625) .cse5 .cse9) (and .cse0 .cse2 .cse5 .cse24 .cse11) (and .cse0 .cse14 .cse6 .cse2 .cse3 .cse5 (< |ULTIMATE.start_main_~c~0#1| 2147483603)) (and .cse0 .cse6 .cse2 .cse3 .cse5 .cse17 (<= |ULTIMATE.start_main_~c~0#1| 46)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483607) .cse6 .cse2 .cse3 .cse5 .cse9) (and .cse0 .cse14 .cse2 .cse25 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 31) .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 37) .cse2 .cse3 .cse5 .cse17 .cse22) (and (<= |ULTIMATE.start_main_~c~0#1| 43) .cse0 .cse1 .cse2 .cse3 .cse5 .cse22) (and .cse26 (<= |ULTIMATE.start_main_~c~0#1| 1) .cse2 .cse3 .cse17) (and .cse0 .cse20 .cse2 .cse19 .cse5) (and .cse0 .cse16 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483628) .cse5 .cse11) (and .cse0 .cse10 (<= |ULTIMATE.start_main_~c~0#1| 24) .cse2 .cse3 .cse4 .cse5) (and .cse13 .cse0 .cse6 .cse2 .cse3 .cse5 (< |ULTIMATE.start_main_~c~0#1| 2147483604)) (and .cse0 .cse16 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 20) .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse18 .cse5 .cse15 .cse27) (and .cse0 .cse1 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 34)) (and .cse0 .cse1 .cse2 .cse3 .cse8 (< |ULTIMATE.start_main_~c~0#1| 2147483642) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483627) .cse2 .cse3 .cse5 .cse17 .cse11) (and .cse0 .cse2 .cse4 .cse21 .cse5) (and .cse0 .cse20 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 17) .cse9) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 38) .cse16 .cse2 .cse3 .cse5 .cse22) (and .cse0 .cse6 .cse2 .cse3 .cse18 .cse28 .cse5) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483609) .cse5 .cse17 .cse15) (and .cse26 .cse16 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 2)) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483619) .cse16 .cse2 .cse3 .cse5) (and .cse0 .cse26 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 0) .cse3) (and .cse0 .cse20 .cse14 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 13)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483611) .cse2 .cse3 .cse7 .cse5 .cse15) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483620) .cse2 .cse3 .cse7 .cse5) (and .cse29 .cse0 .cse2 .cse3 .cse18 .cse5 .cse11) (and .cse0 .cse12 .cse14 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483621) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483615) .cse1 .cse2 .cse3 .cse5 .cse15) (and .cse0 .cse6 (< |ULTIMATE.start_main_~c~0#1| 2147483601) .cse16 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483633) .cse3 .cse5 .cse11) (and .cse29 .cse0 .cse2 .cse8 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 5) .cse13 .cse0 .cse2 .cse3 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 42) .cse0 .cse10 .cse2 .cse3 .cse5 .cse22) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483641) .cse10 .cse2 .cse3 .cse8 .cse5) (and .cse0 .cse30 .cse2 .cse3 .cse18 .cse4 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483629) .cse2 .cse3 .cse7 .cse5 .cse11) (and .cse13 .cse0 .cse20 (<= |ULTIMATE.start_main_~c~0#1| 14) .cse2 .cse3 .cse5) (and .cse0 .cse20 (<= |ULTIMATE.start_main_~c~0#1| 10) .cse2 .cse3 .cse5 .cse17) (and .cse0 .cse20 .cse16 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 11) .cse3 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 4) .cse0 .cse14 .cse2 .cse3 .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 39) .cse2 .cse3 .cse7 .cse5 .cse22) (and .cse0 .cse12 .cse2 .cse3 .cse5 .cse17 (< |ULTIMATE.start_main_~c~0#1| 2147483618)) (and .cse0 .cse20 .cse2 .cse3 .cse7 (<= |ULTIMATE.start_main_~c~0#1| 12) .cse5) (and .cse0 .cse16 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 29)) (and .cse0 .cse6 .cse31 .cse2 .cse5) (and .cse13 .cse0 .cse2 .cse3 .cse5 .cse11 (< |ULTIMATE.start_main_~c~0#1| 2147483631)) (and .cse0 .cse2 .cse25 .cse3 .cse7 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 30)) (and .cse0 .cse2 .cse3 .cse8 .cse5 .cse17 (< |ULTIMATE.start_main_~c~0#1| 2147483636)) (and .cse13 .cse0 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 32)) (and .cse0 .cse12 .cse2 .cse5 .cse27) (and .cse0 .cse14 (<= |ULTIMATE.start_main_~c~0#1| 22) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse12 .cse10 (< |ULTIMATE.start_main_~c~0#1| 2147483623) .cse2 .cse3 .cse5) (and .cse0 .cse31 .cse2 .cse3 .cse18 .cse5 .cse22) (and .cse0 .cse14 (< |ULTIMATE.start_main_~c~0#1| 2147483639) .cse2 .cse3 .cse8 .cse5) (and .cse13 .cse0 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 23) .cse3 .cse4 .cse5) (and .cse0 .cse23 .cse2 .cse25 .cse3 .cse18 .cse5) (and .cse0 .cse10 .cse6 (< |ULTIMATE.start_main_~c~0#1| 2147483605) .cse2 .cse3 .cse5) (and .cse0 .cse20 .cse10 (<= |ULTIMATE.start_main_~c~0#1| 15) .cse2 .cse3 .cse5) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 8) .cse3 .cse5 .cse9) (and .cse0 .cse16 .cse2 .cse3 .cse8 (< |ULTIMATE.start_main_~c~0#1| 2147483637) .cse5) (and .cse0 .cse2 .cse28 .cse5 .cse15) (and .cse0 .cse30 .cse2 .cse25 .cse5) (and .cse0 .cse10 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483632) .cse5 .cse11) (and .cse0 .cse6 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483606) .cse3 .cse5) (and .cse0 .cse12 .cse2 .cse3 .cse18 .cse5 .cse24) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 35) .cse2 .cse25 .cse3 .cse5 .cse9) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 44) .cse5 .cse22 .cse9) (and .cse13 .cse0 .cse2 .cse3 .cse5 .cse22 (<= |ULTIMATE.start_main_~c~0#1| 41)) (and .cse13 .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483640) .cse2 .cse3 .cse8 .cse5) (and .cse13 .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483613) .cse5 .cse15) (and .cse0 .cse2 .cse3 .cse18 (< |ULTIMATE.start_main_~c~0#1| 2147483644) .cse8 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483638) .cse2 .cse3 .cse7 .cse8 .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 28) .cse2 .cse25 .cse3 .cse5 .cse17) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 33) .cse10 .cse2 .cse25 .cse3 .cse5) (and .cse0 .cse20 .cse1 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 16)))) [2022-12-14 12:41:16,438 INFO L899 garLoopResultBuilder]: For program point L12-3(lines 12 16) no Hoare annotation was computed. [2022-12-14 12:41:16,438 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-12-14 12:41:16,438 INFO L895 garLoopResultBuilder]: At program point L10-2(lines 10 18) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse1 (<= 12 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 18)) (and (<= 5 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 45) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~i~0#1| 0) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (and (<= 10 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483644)) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~c~0#1| 9)) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483608) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 36) .cse0 .cse1 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 27) .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) .cse1) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483626) (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and (<= 7 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483617)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483635) .cse0 .cse1 (<= 9 |ULTIMATE.start_main_~i~0#1|)))) [2022-12-14 12:41:16,440 INFO L445 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:41:16,442 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:41:16,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:41:16 BoogieIcfgContainer [2022-12-14 12:41:16,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:41:16,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:41:16,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:41:16,469 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:41:16,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:40:50" (3/4) ... [2022-12-14 12:41:16,471 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 12:41:16,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 12:41:16,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 12:41:16,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 12:41:16,499 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:41:16,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:41:16,499 INFO L158 Benchmark]: Toolchain (without parser) took 26090.49ms. Allocated memory was 123.7MB in the beginning and 369.1MB in the end (delta: 245.4MB). Free memory was 90.6MB in the beginning and 289.4MB in the end (delta: -198.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-12-14 12:41:16,499 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:41:16,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 134.02ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 81.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 12:41:16,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.96ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:41:16,500 INFO L158 Benchmark]: Boogie Preprocessor took 13.20ms. Allocated memory is still 123.7MB. Free memory was 80.1MB in the beginning and 79.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:41:16,500 INFO L158 Benchmark]: RCFGBuilder took 198.45ms. Allocated memory is still 123.7MB. Free memory was 79.0MB in the beginning and 69.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 12:41:16,500 INFO L158 Benchmark]: TraceAbstraction took 25690.13ms. Allocated memory was 123.7MB in the beginning and 369.1MB in the end (delta: 245.4MB). Free memory was 68.5MB in the beginning and 292.5MB in the end (delta: -224.0MB). Peak memory consumption was 203.2MB. Max. memory is 16.1GB. [2022-12-14 12:41:16,501 INFO L158 Benchmark]: Witness Printer took 30.34ms. Allocated memory is still 369.1MB. Free memory was 292.5MB in the beginning and 289.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:41:16,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 134.02ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 81.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.96ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.20ms. Allocated memory is still 123.7MB. Free memory was 80.1MB in the beginning and 79.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 198.45ms. Allocated memory is still 123.7MB. Free memory was 79.0MB in the beginning and 69.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 25690.13ms. Allocated memory was 123.7MB in the beginning and 369.1MB in the end (delta: 245.4MB). Free memory was 68.5MB in the beginning and 292.5MB in the end (delta: -224.0MB). Peak memory consumption was 203.2MB. Max. memory is 16.1GB. * Witness Printer took 30.34ms. Allocated memory is still 369.1MB. Free memory was 292.5MB in the beginning and 289.4MB 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 25.6s, OverallIterations: 18, TraceHistogramMax: 95, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 262 mSDsluCounter, 1626 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1369 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 918 IncrementalHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 257 mSDtfsCounter, 918 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3428 GetRequests, 2921 SyntacticMatches, 121 SemanticMatches, 386 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12502 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=766occurred in iteration=17, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 68 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 113 NumberOfFragments, 2249 HoareAnnotationTreeSize, 2 FomulaSimplifications, 633 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 2 FomulaSimplificationsInter, 1647 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 3271 NumberOfCodeBlocks, 3271 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 4047 ConstructedInterpolants, 0 QuantifiedInterpolants, 11389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2995 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 34 InterpolantComputations, 11 PerfectInterpolantSequences, 34528/97360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((3 <= j && c <= 25) && 10 <= j) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9) || (((((3 <= j && 10 <= j) && 0 <= c) && 0 <= i) && c <= 7) && i <= 9)) || ((((((3 <= j && c < 2147483602) && 5 <= i) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9)) || ((((((3 <= j && c < 2147483643) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9) && 11 <= j)) || (((((3 <= j && 9 <= j) && 0 <= c) && 0 <= i) && c <= 6) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c < 2147483634) && i <= 9) && 8 <= i) && 11 <= j)) || ((((((3 <= j && 7 <= i) && 10 <= j) && 0 <= c) && c < 2147483624) && 0 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 7 <= i) && 0 <= c) && 0 <= i) && c < 2147483622) && i <= 9)) || ((((((3 <= j && 7 <= j) && c < 2147483612) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((3 <= j && c < 2147483610) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((c < 2147483616 && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i) && 11 <= j)) || ((((((3 <= j && c <= 19) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && 9 <= j) && c < 2147483614) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || (((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && c <= 9) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c <= 26) && 2 <= i) && i <= 9) && 11 <= j)) || ((((((c <= 21 && 3 <= j) && 0 <= c) && 0 <= i) && 6 <= j) && 2 <= i) && i <= 9)) || ((((0 <= c && 0 <= i) && 6 <= j) && i <= 9) && c <= 3)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && c <= 18) && i <= 9)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 0 <= i) && c <= 40) && i <= 9) && 4 <= i)) || ((((3 <= j && c <= 36) && 0 <= c) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 0 <= i) && c < 2147483630) && i <= 9) && 8 <= i)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && c < 2147483625) && i <= 9) && 11 <= j)) || ((((3 <= j && 0 <= c) && i <= 9) && c < 2147483626) && 8 <= i)) || ((((((3 <= j && 7 <= j) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c < 2147483603)) || ((((((3 <= j && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && c <= 46)) || ((((((3 <= j && c < 2147483607) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && c <= 31) && i <= 9)) || ((((((3 <= j && c <= 37) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && 4 <= i)) || ((((((c <= 43 && 3 <= j) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((i <= 0 && c <= 1) && 0 <= c) && 0 <= i) && 4 <= j)) || ((((3 <= j && 1 <= i) && 0 <= c) && c <= 9) && i <= 9)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && c < 2147483628) && i <= 9) && 8 <= i)) || ((((((3 <= j && 9 <= j) && c <= 24) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c < 2147483604)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && c <= 20) && 2 <= i) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 6 <= i) && c < 2147483617)) || ((((((3 <= j && 10 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 34)) || ((((((3 <= j && 10 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && c < 2147483642) && i <= 9)) || ((((((3 <= j && c < 2147483627) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && 8 <= i)) || ((((3 <= j && 0 <= c) && 2 <= i) && c <= 18) && i <= 9)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c <= 17) && 11 <= j)) || ((((((3 <= j && c <= 38) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((((3 <= j && 5 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && c < 2147483608) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c < 2147483609) && i <= 9) && 4 <= j) && 6 <= i)) || ((((i <= 0 && 5 <= j) && 0 <= c) && 0 <= i) && c <= 2)) || ((((((3 <= j && 7 <= i) && c < 2147483619) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((3 <= j && i <= 0) && 0 <= c) && c <= 0) && 0 <= i)) || ((((((3 <= j && 1 <= i) && 7 <= j) && 0 <= c) && 0 <= i) && i <= 9) && c <= 13)) || ((((((3 <= j && c < 2147483611) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 6 <= i)) || ((((((3 <= j && 7 <= i) && c < 2147483620) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9)) || ((((((c < 2147483635 && 3 <= j) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 8 <= i)) || ((((((3 <= j && 7 <= i) && 7 <= j) && 0 <= c) && 0 <= i) && c < 2147483621) && i <= 9)) || ((((((3 <= j && c < 2147483615) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((3 <= j && 5 <= i) && c < 2147483601) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 10 <= j) && 0 <= c) && c < 2147483633) && 0 <= i) && i <= 9) && 8 <= i)) || ((((c < 2147483635 && 3 <= j) && 0 <= c) && 9 <= i) && i <= 9)) || (((((c <= 5 && 8 <= j) && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((c <= 42 && 3 <= j) && 9 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((((3 <= j && c < 2147483641) && 9 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((3 <= j && c <= 27) && 0 <= c) && 0 <= i) && 12 <= j) && 2 <= i) && i <= 9)) || ((((((3 <= j && c < 2147483629) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 8 <= i)) || ((((((8 <= j && 3 <= j) && 1 <= i) && c <= 14) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && c <= 10) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && 1 <= i) && 5 <= j) && 0 <= c) && c <= 11) && 0 <= i) && i <= 9)) || (((((c <= 4 && 3 <= j) && 7 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && c <= 39) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && c < 2147483618)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && 6 <= j) && c <= 12) && i <= 9)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 29)) || ((((3 <= j && 5 <= i) && c <= 45) && 0 <= c) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 8 <= i) && c < 2147483631)) || ((((((3 <= j && 0 <= c) && 3 <= i) && 0 <= i) && 6 <= j) && i <= 9) && c <= 30)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9) && 4 <= j) && c < 2147483636)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 32)) || ((((3 <= j && 7 <= i) && 0 <= c) && i <= 9) && c < 2147483617)) || ((((((3 <= j && 7 <= j) && c <= 22) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((3 <= j && 7 <= i) && 9 <= j) && c < 2147483623) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && c <= 45) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= j) && c < 2147483639) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && c <= 23) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((3 <= j && c <= 36) && 0 <= c) && 3 <= i) && 0 <= i) && 12 <= j) && i <= 9)) || ((((((3 <= j && 9 <= j) && 5 <= i) && c < 2147483605) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && 9 <= j) && c <= 15) && 0 <= c) && 0 <= i) && i <= 9)) || (((((3 <= j && 0 <= c) && c <= 8) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && c < 2147483637) && i <= 9)) || ((((3 <= j && 0 <= c) && c < 2147483608) && i <= 9) && 6 <= i)) || ((((3 <= j && c <= 27) && 0 <= c) && 3 <= i) && i <= 9)) || ((((((3 <= j && 9 <= j) && 0 <= c) && 0 <= i) && c < 2147483632) && i <= 9) && 8 <= i)) || ((((((3 <= j && 5 <= i) && 10 <= j) && 0 <= c) && c < 2147483606) && 0 <= i) && i <= 9)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && c < 2147483626)) || ((((((3 <= j && c <= 35) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c <= 44) && i <= 9) && 4 <= i) && 11 <= j)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i) && c <= 41)) || ((((((8 <= j && 3 <= j) && c < 2147483640) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && c < 2147483613) && i <= 9) && 6 <= i)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && c < 2147483644) && 9 <= i) && i <= 9)) || ((((((3 <= j && c < 2147483638) && 0 <= c) && 0 <= i) && 6 <= j) && 9 <= i) && i <= 9)) || ((((((3 <= j && c <= 28) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && c <= 33) && 9 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && c <= 16) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: ((((((((((((0 <= c && 12 <= j) && 2 <= i) && c <= 18) || (((5 <= i && c <= 45) && 0 <= c) && 12 <= j)) || (((i <= 0 && 0 <= c) && c <= 0) && 0 <= i)) || (((10 <= i && 0 <= c) && 12 <= j) && c < 2147483644)) || (((1 <= i && 0 <= c) && 12 <= j) && c <= 9)) || (((0 <= c && 12 <= j) && c < 2147483608) && 6 <= i)) || (((c <= 36 && 0 <= c) && 12 <= j) && 4 <= i)) || (((c <= 27 && 0 <= c) && 3 <= i) && 12 <= j)) || (((0 <= c && 12 <= j) && c < 2147483626) && 8 <= i)) || (((7 <= i && 0 <= c) && 12 <= j) && c < 2147483617)) || (((c < 2147483635 && 0 <= c) && 12 <= j) && 9 <= i) RESULT: Ultimate proved your program to be correct! [2022-12-14 12:41:16,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd24035b-d873-4c8d-b8a6-fb70869631a8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE