./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 18932daab2b6a9e703f41380254be4987ae24cad0ed52ef44ca676e3b35352e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 04:02:41,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 04:02:41,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 04:02:41,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 04:02:41,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 04:02:41,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 04:02:41,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 04:02:41,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 04:02:41,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 04:02:41,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 04:02:41,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 04:02:41,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 04:02:41,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 04:02:41,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 04:02:41,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 04:02:41,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 04:02:41,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 04:02:41,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 04:02:41,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 04:02:41,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 04:02:41,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 04:02:41,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 04:02:41,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 04:02:41,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 04:02:41,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 04:02:41,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 04:02:41,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 04:02:41,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 04:02:41,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 04:02:41,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 04:02:41,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 04:02:41,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 04:02:41,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 04:02:41,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 04:02:41,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 04:02:41,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 04:02:41,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 04:02:41,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 04:02:41,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 04:02:41,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 04:02:41,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 04:02:41,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 04:02:41,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 04:02:41,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 04:02:41,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 04:02:41,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 04:02:41,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 04:02:41,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 04:02:41,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 04:02:41,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 04:02:41,200 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 04:02:41,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 04:02:41,201 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 04:02:41,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 04:02:41,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 04:02:41,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 04:02:41,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 04:02:41,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 04:02:41,203 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 04:02:41,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 04:02:41,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 04:02:41,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 04:02:41,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 04:02:41,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 04:02:41,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 04:02:41,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:02:41,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 04:02:41,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 04:02:41,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 04:02:41,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 04:02:41,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 04:02:41,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 04:02:41,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 04:02:41,208 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 04:02:41,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 04:02:41,209 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18932daab2b6a9e703f41380254be4987ae24cad0ed52ef44ca676e3b35352e8 [2022-11-23 04:02:41,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 04:02:41,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 04:02:41,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 04:02:41,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 04:02:41,538 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 04:02:41,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_17_good.i [2022-11-23 04:02:44,703 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 04:02:45,091 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 04:02:45,103 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_17_good.i [2022-11-23 04:02:45,134 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/data/5b39a75db/154147a0ae1a4e2884b6d1736a5d3496/FLAG2b832fc71 [2022-11-23 04:02:45,149 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/data/5b39a75db/154147a0ae1a4e2884b6d1736a5d3496 [2022-11-23 04:02:45,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 04:02:45,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 04:02:45,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 04:02:45,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 04:02:45,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 04:02:45,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:45" (1/1) ... [2022-11-23 04:02:45,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b64e652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:45, skipping insertion in model container [2022-11-23 04:02:45,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:45" (1/1) ... [2022-11-23 04:02:45,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 04:02:45,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 04:02:45,680 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 04:02:46,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:02:46,354 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 04:02:46,377 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 04:02:46,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:02:46,568 INFO L208 MainTranslator]: Completed translation [2022-11-23 04:02:46,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46 WrapperNode [2022-11-23 04:02:46,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 04:02:46,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 04:02:46,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 04:02:46,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 04:02:46,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,659 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2022-11-23 04:02:46,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 04:02:46,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 04:02:46,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 04:02:46,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 04:02:46,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 04:02:46,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 04:02:46,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 04:02:46,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 04:02:46,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (1/1) ... [2022-11-23 04:02:46,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:02:46,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:02:46,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 04:02:46,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 04:02:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 04:02:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 04:02:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 04:02:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 04:02:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 04:02:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 04:02:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 04:02:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 04:02:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 04:02:46,988 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 04:02:46,991 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 04:02:47,219 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 04:02:47,231 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 04:02:47,234 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 04:02:47,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:47 BoogieIcfgContainer [2022-11-23 04:02:47,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 04:02:47,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 04:02:47,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 04:02:47,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 04:02:47,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:02:45" (1/3) ... [2022-11-23 04:02:47,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637a2a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:47, skipping insertion in model container [2022-11-23 04:02:47,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46" (2/3) ... [2022-11-23 04:02:47,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637a2a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:47, skipping insertion in model container [2022-11-23 04:02:47,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:47" (3/3) ... [2022-11-23 04:02:47,251 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_17_good.i [2022-11-23 04:02:47,270 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 04:02:47,270 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-23 04:02:47,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 04:02:47,327 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=PETRI_NET, 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;@39a64e9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 04:02:47,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-23 04:02:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 54 states have internal predecessors, (63), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 04:02:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 04:02:47,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:47,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:47,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:47,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash 298641973, now seen corresponding path program 1 times [2022-11-23 04:02:47,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:47,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885991360] [2022-11-23 04:02:47,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:47,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:47,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:02:47,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:47,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885991360] [2022-11-23 04:02:47,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885991360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:47,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:02:47,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 04:02:47,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919709734] [2022-11-23 04:02:47,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:47,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:02:47,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:47,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:02:47,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:02:47,823 INFO L87 Difference]: Start difference. First operand has 59 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 54 states have internal predecessors, (63), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:02:47,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:47,939 INFO L93 Difference]: Finished difference Result 114 states and 141 transitions. [2022-11-23 04:02:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:02:47,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-23 04:02:47,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:47,950 INFO L225 Difference]: With dead ends: 114 [2022-11-23 04:02:47,950 INFO L226 Difference]: Without dead ends: 56 [2022-11-23 04:02:47,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:02:47,957 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:47,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 191 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 04:02:47,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-23 04:02:47,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-23 04:02:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 38 states have (on average 1.5) internal successors, (57), 52 states have internal predecessors, (57), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 04:02:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2022-11-23 04:02:48,001 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 11 [2022-11-23 04:02:48,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:48,002 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2022-11-23 04:02:48,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:02:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-11-23 04:02:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 04:02:48,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:48,004 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:48,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 04:02:48,005 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:48,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:48,006 INFO L85 PathProgramCache]: Analyzing trace with hash 810413873, now seen corresponding path program 1 times [2022-11-23 04:02:48,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:48,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104466097] [2022-11-23 04:02:48,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:48,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:02:48,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:48,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104466097] [2022-11-23 04:02:48,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104466097] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:02:48,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611198963] [2022-11-23 04:02:48,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:48,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:02:48,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:02:48,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:02:48,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 04:02:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:48,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 04:02:48,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:02:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:02:48,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 04:02:48,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611198963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:48,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 04:02:48,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 04:02:48,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107024905] [2022-11-23 04:02:48,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:48,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:02:48,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:48,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:02:48,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 04:02:48,480 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:02:48,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:48,550 INFO L93 Difference]: Finished difference Result 99 states and 116 transitions. [2022-11-23 04:02:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 04:02:48,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-23 04:02:48,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:48,553 INFO L225 Difference]: With dead ends: 99 [2022-11-23 04:02:48,553 INFO L226 Difference]: Without dead ends: 51 [2022-11-23 04:02:48,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:02:48,555 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 78 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:48,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 120 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:02:48,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-23 04:02:48,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-23 04:02:48,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 35 states have (on average 1.457142857142857) internal successors, (51), 47 states have internal predecessors, (51), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 04:02:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2022-11-23 04:02:48,565 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 15 [2022-11-23 04:02:48,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:48,565 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2022-11-23 04:02:48,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:02:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2022-11-23 04:02:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 04:02:48,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:48,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:48,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 04:02:48,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:02:48,784 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:48,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:48,784 INFO L85 PathProgramCache]: Analyzing trace with hash 979153124, now seen corresponding path program 1 times [2022-11-23 04:02:48,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:48,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199795555] [2022-11-23 04:02:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:48,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:48,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:02:48,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:48,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199795555] [2022-11-23 04:02:48,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199795555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:48,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:02:48,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 04:02:48,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949130799] [2022-11-23 04:02:48,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:48,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:02:48,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:48,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:02:48,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:02:48,899 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:02:48,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:48,912 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2022-11-23 04:02:48,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:02:48,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-23 04:02:48,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:48,913 INFO L225 Difference]: With dead ends: 87 [2022-11-23 04:02:48,914 INFO L226 Difference]: Without dead ends: 46 [2022-11-23 04:02:48,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:02:48,915 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 29 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:48,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 61 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:02:48,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-23 04:02:48,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-23 04:02:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 41 states have internal predecessors, (45), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 04:02:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2022-11-23 04:02:48,924 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 18 [2022-11-23 04:02:48,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:48,924 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2022-11-23 04:02:48,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:02:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-11-23 04:02:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 04:02:48,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:48,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:48,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 04:02:48,926 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:48,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:48,927 INFO L85 PathProgramCache]: Analyzing trace with hash 287442621, now seen corresponding path program 1 times [2022-11-23 04:02:48,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:48,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266421629] [2022-11-23 04:02:48,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:48,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 04:02:48,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:48,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266421629] [2022-11-23 04:02:48,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266421629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:48,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:02:48,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 04:02:48,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516552364] [2022-11-23 04:02:48,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:48,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:02:48,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:48,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:02:48,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:02:48,978 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:02:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:48,999 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2022-11-23 04:02:48,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:02:48,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-23 04:02:49,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:49,001 INFO L225 Difference]: With dead ends: 78 [2022-11-23 04:02:49,001 INFO L226 Difference]: Without dead ends: 55 [2022-11-23 04:02:49,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:02:49,003 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 7 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:49,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 95 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:02:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-23 04:02:49,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2022-11-23 04:02:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 42 states have internal predecessors, (46), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 04:02:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2022-11-23 04:02:49,012 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 19 [2022-11-23 04:02:49,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:49,013 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2022-11-23 04:02:49,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:02:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2022-11-23 04:02:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 04:02:49,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:49,014 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:49,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 04:02:49,015 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:49,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:49,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1321514904, now seen corresponding path program 1 times [2022-11-23 04:02:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:49,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521335696] [2022-11-23 04:02:49,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:49,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:02:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 04:02:49,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:49,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521335696] [2022-11-23 04:02:49,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521335696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:49,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:02:49,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 04:02:49,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551848562] [2022-11-23 04:02:49,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:49,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:02:49,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:49,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:02:49,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:02:49,109 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 04:02:49,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:49,142 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2022-11-23 04:02:49,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:02:49,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-23 04:02:49,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:49,144 INFO L225 Difference]: With dead ends: 55 [2022-11-23 04:02:49,144 INFO L226 Difference]: Without dead ends: 53 [2022-11-23 04:02:49,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:02:49,146 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:49,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 138 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:02:49,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-23 04:02:49,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-23 04:02:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 47 states have internal predecessors, (51), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 04:02:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2022-11-23 04:02:49,155 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 24 [2022-11-23 04:02:49,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:49,155 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2022-11-23 04:02:49,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 04:02:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2022-11-23 04:02:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 04:02:49,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:49,157 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:49,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 04:02:49,158 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:49,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:49,159 INFO L85 PathProgramCache]: Analyzing trace with hash -881769175, now seen corresponding path program 1 times [2022-11-23 04:02:49,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:49,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916032212] [2022-11-23 04:02:49,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:49,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:02:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 04:02:49,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:49,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916032212] [2022-11-23 04:02:49,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916032212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:49,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:02:49,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 04:02:49,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834199622] [2022-11-23 04:02:49,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:49,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:02:49,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:49,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:02:49,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:02:49,278 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 04:02:49,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:49,367 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2022-11-23 04:02:49,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:02:49,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2022-11-23 04:02:49,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:49,372 INFO L225 Difference]: With dead ends: 75 [2022-11-23 04:02:49,372 INFO L226 Difference]: Without dead ends: 57 [2022-11-23 04:02:49,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:02:49,380 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 3 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:49,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 137 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 04:02:49,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-23 04:02:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-23 04:02:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 51 states have internal predecessors, (55), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 04:02:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2022-11-23 04:02:49,403 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 30 [2022-11-23 04:02:49,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:49,410 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2022-11-23 04:02:49,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 04:02:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2022-11-23 04:02:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-23 04:02:49,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:49,412 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:49,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 04:02:49,413 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:49,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:49,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2042402149, now seen corresponding path program 1 times [2022-11-23 04:02:49,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:49,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127636900] [2022-11-23 04:02:49,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:49,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:02:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 04:02:49,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:49,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127636900] [2022-11-23 04:02:49,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127636900] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:02:49,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092195] [2022-11-23 04:02:49,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:49,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:02:49,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:02:49,554 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:02:49,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 04:02:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:49,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 04:02:49,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:02:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 04:02:49,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 04:02:49,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:49,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 04:02:49,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 04:02:49,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457947368] [2022-11-23 04:02:49,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:49,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:02:49,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:49,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:02:49,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 04:02:49,689 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 04:02:49,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:49,716 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2022-11-23 04:02:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 04:02:49,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-23 04:02:49,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:49,717 INFO L225 Difference]: With dead ends: 74 [2022-11-23 04:02:49,717 INFO L226 Difference]: Without dead ends: 52 [2022-11-23 04:02:49,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:02:49,719 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 16 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:49,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 145 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:02:49,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-23 04:02:49,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-23 04:02:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.225) internal successors, (49), 46 states have internal predecessors, (49), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 04:02:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2022-11-23 04:02:49,727 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 34 [2022-11-23 04:02:49,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:49,727 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2022-11-23 04:02:49,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 04:02:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2022-11-23 04:02:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 04:02:49,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:49,729 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:49,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 04:02:49,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:02:49,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:49,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:49,936 INFO L85 PathProgramCache]: Analyzing trace with hash 848796844, now seen corresponding path program 1 times [2022-11-23 04:02:49,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:49,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833987349] [2022-11-23 04:02:49,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:49,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:02:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 04:02:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 04:02:50,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:50,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833987349] [2022-11-23 04:02:50,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833987349] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:02:50,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593086772] [2022-11-23 04:02:50,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:50,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:02:50,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:02:50,062 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:02:50,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 04:02:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 04:02:50,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:02:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 04:02:50,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 04:02:50,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593086772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:50,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 04:02:50,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 04:02:50,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757419158] [2022-11-23 04:02:50,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:50,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:02:50,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:50,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:02:50,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 04:02:50,227 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 04:02:50,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:50,275 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2022-11-23 04:02:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 04:02:50,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35 [2022-11-23 04:02:50,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:50,276 INFO L225 Difference]: With dead ends: 79 [2022-11-23 04:02:50,276 INFO L226 Difference]: Without dead ends: 44 [2022-11-23 04:02:50,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:02:50,278 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 42 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:50,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 102 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:02:50,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-23 04:02:50,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-23 04:02:50,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 39 states have internal predecessors, (41), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 04:02:50,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2022-11-23 04:02:50,290 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 35 [2022-11-23 04:02:50,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:50,291 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2022-11-23 04:02:50,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 04:02:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-11-23 04:02:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-23 04:02:50,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:50,296 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:50,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 04:02:50,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 04:02:50,503 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:50,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:50,503 INFO L85 PathProgramCache]: Analyzing trace with hash -53180309, now seen corresponding path program 1 times [2022-11-23 04:02:50,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:50,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211924630] [2022-11-23 04:02:50,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:50,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:02:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 04:02:50,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:50,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211924630] [2022-11-23 04:02:50,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211924630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:50,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:02:50,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:02:50,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045002371] [2022-11-23 04:02:50,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:50,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:02:50,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:50,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:02:50,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:02:50,585 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 04:02:50,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:50,603 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2022-11-23 04:02:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:02:50,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-23 04:02:50,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:50,607 INFO L225 Difference]: With dead ends: 57 [2022-11-23 04:02:50,607 INFO L226 Difference]: Without dead ends: 42 [2022-11-23 04:02:50,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:02:50,611 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:50,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 68 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:02:50,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-23 04:02:50,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-23 04:02:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 36 states have internal predecessors, (38), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 04:02:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2022-11-23 04:02:50,624 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 36 [2022-11-23 04:02:50,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:50,625 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-11-23 04:02:50,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 04:02:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-11-23 04:02:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 04:02:50,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:50,629 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:50,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 04:02:50,630 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:50,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:50,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1566653607, now seen corresponding path program 1 times [2022-11-23 04:02:50,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:50,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197976695] [2022-11-23 04:02:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:50,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:02:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-23 04:02:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 04:02:50,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:50,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197976695] [2022-11-23 04:02:50,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197976695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:50,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:02:50,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 04:02:50,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674307930] [2022-11-23 04:02:50,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:50,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:02:50,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:50,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:02:50,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:02:50,752 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 04:02:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:50,783 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2022-11-23 04:02:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:02:50,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2022-11-23 04:02:50,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:50,787 INFO L225 Difference]: With dead ends: 52 [2022-11-23 04:02:50,788 INFO L226 Difference]: Without dead ends: 50 [2022-11-23 04:02:50,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:02:50,789 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 3 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:50,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 118 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:02:50,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-23 04:02:50,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-23 04:02:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 43 states have internal predecessors, (45), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 04:02:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2022-11-23 04:02:50,806 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 43 [2022-11-23 04:02:50,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:50,807 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2022-11-23 04:02:50,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 04:02:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2022-11-23 04:02:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-23 04:02:50,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:02:50,812 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:50,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 04:02:50,813 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 04:02:50,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:02:50,813 INFO L85 PathProgramCache]: Analyzing trace with hash 957734873, now seen corresponding path program 1 times [2022-11-23 04:02:50,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:02:50,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744500657] [2022-11-23 04:02:50,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:50,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:02:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:02:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 04:02:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-23 04:02:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-23 04:02:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:50,952 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 04:02:50,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:02:50,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744500657] [2022-11-23 04:02:50,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744500657] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:02:50,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528916781] [2022-11-23 04:02:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:02:50,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:02:50,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:02:50,954 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:02:50,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 04:02:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:02:51,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 04:02:51,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:02:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 04:02:51,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 04:02:51,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528916781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:02:51,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 04:02:51,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 04:02:51,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336158217] [2022-11-23 04:02:51,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:02:51,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:02:51,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:02:51,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:02:51,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 04:02:51,152 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-23 04:02:51,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:02:51,183 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2022-11-23 04:02:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 04:02:51,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2022-11-23 04:02:51,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:02:51,184 INFO L225 Difference]: With dead ends: 54 [2022-11-23 04:02:51,184 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 04:02:51,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:02:51,186 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:02:51,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 110 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:02:51,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 04:02:51,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 04:02:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:02:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 04:02:51,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-11-23 04:02:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:02:51,188 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 04:02:51,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-23 04:02:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 04:02:51,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 04:02:51,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-23 04:02:51,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-23 04:02:51,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-23 04:02:51,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-23 04:02:51,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-23 04:02:51,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-23 04:02:51,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-23 04:02:51,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-23 04:02:51,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-23 04:02:51,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-23 04:02:51,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-23 04:02:51,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-23 04:02:51,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 04:02:51,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:02:51,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 04:02:51,560 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 04:02:51,561 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 04:02:51,563 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 04:02:51,564 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 04:02:51,564 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 04:02:51,564 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 04:02:51,564 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 04:02:51,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-11-23 04:02:51,565 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-11-23 04:02:51,565 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2022-11-23 04:02:51,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-11-23 04:02:51,567 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-23 04:02:51,567 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 04:02:51,567 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 04:02:51,568 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: false [2022-11-23 04:02:51,569 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1572) no Hoare annotation was computed. [2022-11-23 04:02:51,569 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-23 04:02:51,570 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1590) no Hoare annotation was computed. [2022-11-23 04:02:51,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-23 04:02:51,570 INFO L899 garLoopResultBuilder]: For program point L1557-2(lines 1557 1571) no Hoare annotation was computed. [2022-11-23 04:02:51,571 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2022-11-23 04:02:51,571 INFO L899 garLoopResultBuilder]: For program point L1557-4(line 1557) no Hoare annotation was computed. [2022-11-23 04:02:51,571 INFO L895 garLoopResultBuilder]: At program point L1557-5(lines 1557 1571) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse1))) [2022-11-23 04:02:51,571 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1582 1589) no Hoare annotation was computed. [2022-11-23 04:02:51,572 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-23 04:02:51,572 INFO L899 garLoopResultBuilder]: For program point L1582-3(line 1582) no Hoare annotation was computed. [2022-11-23 04:02:51,572 INFO L899 garLoopResultBuilder]: For program point L1582-4(line 1582) no Hoare annotation was computed. [2022-11-23 04:02:51,573 INFO L895 garLoopResultBuilder]: At program point L1582-5(lines 1582 1589) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse2 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse3 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (.cse4 (= |ULTIMATE.start_goodG2B_~data~1#1| 2))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse1 .cse2 .cse3 .cse4))) [2022-11-23 04:02:51,574 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-11-23 04:02:51,574 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2022-11-23 04:02:51,574 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1595) no Hoare annotation was computed. [2022-11-23 04:02:51,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-23 04:02:51,574 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1570) no Hoare annotation was computed. [2022-11-23 04:02:51,575 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1588) no Hoare annotation was computed. [2022-11-23 04:02:51,575 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-23 04:02:51,575 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2022-11-23 04:02:51,575 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) [2022-11-23 04:02:51,575 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2022-11-23 04:02:51,576 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 04:02:51,576 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-23 04:02:51,576 INFO L902 garLoopResultBuilder]: At program point L1602(lines 1596 1603) the Hoare annotation is: true [2022-11-23 04:02:51,576 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 04:02:51,577 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-23 04:02:51,577 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1569) no Hoare annotation was computed. [2022-11-23 04:02:51,577 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-11-23 04:02:51,577 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-11-23 04:02:51,578 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1553 1556) no Hoare annotation was computed. [2022-11-23 04:02:51,578 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-11-23 04:02:51,578 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-11-23 04:02:51,578 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (= |ULTIMATE.start_goodB2G_~i~1#1| 0)) [2022-11-23 04:02:51,578 INFO L899 garLoopResultBuilder]: For program point L1553-6(lines 1553 1556) no Hoare annotation was computed. [2022-11-23 04:02:51,578 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1578 1581) no Hoare annotation was computed. [2022-11-23 04:02:51,579 INFO L899 garLoopResultBuilder]: For program point L1578-3(line 1578) no Hoare annotation was computed. [2022-11-23 04:02:51,579 INFO L899 garLoopResultBuilder]: For program point L1578-4(line 1578) no Hoare annotation was computed. [2022-11-23 04:02:51,579 INFO L895 garLoopResultBuilder]: At program point L1578-5(lines 1578 1581) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse2 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_goodG2B_~h~0#1| 0)) (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) .cse1 .cse2 (= |ULTIMATE.start_goodG2B_~data~1#1| 2)))) [2022-11-23 04:02:51,579 INFO L899 garLoopResultBuilder]: For program point L1578-6(lines 1578 1581) no Hoare annotation was computed. [2022-11-23 04:02:51,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-11-23 04:02:51,580 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) (= |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2022-11-23 04:02:51,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-11-23 04:02:51,584 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:02:51,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 04:02:51,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:02:51 BoogieIcfgContainer [2022-11-23 04:02:51,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 04:02:51,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 04:02:51,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 04:02:51,613 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 04:02:51,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:47" (3/4) ... [2022-11-23 04:02:51,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 04:02:51,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 04:02:51,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 04:02:51,636 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-23 04:02:51,636 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 04:02:51,636 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 04:02:51,637 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 04:02:51,692 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 04:02:51,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 04:02:51,693 INFO L158 Benchmark]: Toolchain (without parser) took 6538.66ms. Allocated memory is still 211.8MB. Free memory was 164.3MB in the beginning and 155.1MB in the end (delta: 9.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-11-23 04:02:51,693 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:02:51,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1413.96ms. Allocated memory is still 211.8MB. Free memory was 163.7MB in the beginning and 100.8MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-23 04:02:51,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.83ms. Allocated memory is still 211.8MB. Free memory was 100.8MB in the beginning and 97.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 04:02:51,694 INFO L158 Benchmark]: Boogie Preprocessor took 56.13ms. Allocated memory is still 211.8MB. Free memory was 97.9MB in the beginning and 96.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:02:51,695 INFO L158 Benchmark]: RCFGBuilder took 520.05ms. Allocated memory is still 211.8MB. Free memory was 96.6MB in the beginning and 177.1MB in the end (delta: -80.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-11-23 04:02:51,696 INFO L158 Benchmark]: TraceAbstraction took 4374.27ms. Allocated memory is still 211.8MB. Free memory was 176.1MB in the beginning and 158.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 04:02:51,696 INFO L158 Benchmark]: Witness Printer took 79.05ms. Allocated memory is still 211.8MB. Free memory was 158.2MB in the beginning and 155.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 04:02:51,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1413.96ms. Allocated memory is still 211.8MB. Free memory was 163.7MB in the beginning and 100.8MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.83ms. Allocated memory is still 211.8MB. Free memory was 100.8MB in the beginning and 97.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.13ms. Allocated memory is still 211.8MB. Free memory was 97.9MB in the beginning and 96.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.05ms. Allocated memory is still 211.8MB. Free memory was 96.6MB in the beginning and 177.1MB in the end (delta: -80.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4374.27ms. Allocated memory is still 211.8MB. Free memory was 176.1MB in the beginning and 158.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 79.05ms. Allocated memory is still 211.8MB. Free memory was 158.2MB in the beginning and 155.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 59 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 193 mSDsluCounter, 1285 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 766 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 519 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 11 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 31 PreInvPairs, 43 NumberOfFragments, 136 HoareAnnotationTreeSize, 31 FomulaSimplifications, 19 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 442 ConstructedInterpolants, 0 QuantifiedInterpolants, 620 SizeOfPredicates, 4 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 119/123 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 12 specifications checked. All of them hold - InvariantResult [Line: 1596]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: ((1 <= i && 1 <= k) && 2147483647 <= data) || ((1 <= i && k == 0) && 2147483647 <= data) - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: (((1 <= i && 1 <= k) && 2147483647 <= data) && h == 0) || ((((1 <= i && 1 <= h) && 1 <= k) && 2147483647 <= data) && data == 2) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && 2147483647 <= data) || i == 0 - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: (((((1 <= i && 1 <= j) && 1 <= h) && 1 <= k) && 2147483647 <= data) && data == 2) || (((((1 <= i && j == 0) && 1 <= h) && 1 <= k) && 2147483647 <= data) && data == 2) RESULT: Ultimate proved your program to be correct! [2022-11-23 04:02:51,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1a5a9c-9678-4626-a2e0-8c5eb649e7c4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE