./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN --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 553c6f2df5271703f0452391d4b0d8f672e3dbb685739cd240a8fec3a199a9bc --- 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-6b4ec56 [2022-11-20 10:55:10,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:55:10,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:55:10,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:55:10,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:55:10,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:55:10,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:55:10,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:55:10,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:55:10,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:55:10,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:55:10,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:55:10,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:55:10,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:55:10,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:55:10,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:55:10,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:55:10,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:55:10,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:55:10,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:55:10,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:55:10,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:55:10,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:55:10,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:55:10,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:55:10,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:55:10,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:55:10,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:55:10,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:55:10,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:55:10,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:55:10,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:55:10,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:55:10,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:55:10,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:55:10,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:55:10,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:55:10,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:55:10,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:55:10,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:55:10,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:55:10,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 10:55:10,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:55:10,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:55:10,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:55:10,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:55:10,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:55:10,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:55:10,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:55:10,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:55:10,604 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:55:10,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:55:10,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:55:10,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:55:10,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:55:10,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:55:10,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:55:10,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:55:10,607 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:55:10,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:55:10,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:55:10,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:55:10,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:55:10,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:55:10,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:55:10,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:55:10,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:55:10,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:55:10,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:55:10,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:55:10,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:55:10,611 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:55:10,612 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:55:10,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:55:10,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 553c6f2df5271703f0452391d4b0d8f672e3dbb685739cd240a8fec3a199a9bc [2022-11-20 10:55:10,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:55:10,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:55:10,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:55:10,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:55:10,950 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:55:10,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_good.i [2022-11-20 10:55:14,844 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:55:15,330 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:55:15,331 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_good.i [2022-11-20 10:55:15,366 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/data/9652960a2/4d7292224a544390bf0aa83b209f74f0/FLAGb0679bdc6 [2022-11-20 10:55:15,382 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/data/9652960a2/4d7292224a544390bf0aa83b209f74f0 [2022-11-20 10:55:15,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:55:15,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:55:15,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:55:15,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:55:15,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:55:15,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:55:15" (1/1) ... [2022-11-20 10:55:15,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e949205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:15, skipping insertion in model container [2022-11-20 10:55:15,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:55:15" (1/1) ... [2022-11-20 10:55:15,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:55:15,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:55:16,029 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:55:16,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:55:16,806 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:55:16,847 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:55:16,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:55:17,154 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:55:17,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17 WrapperNode [2022-11-20 10:55:17,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:55:17,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:55:17,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:55:17,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:55:17,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,240 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 108 [2022-11-20 10:55:17,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:55:17,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:55:17,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:55:17,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:55:17,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:55:17,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:55:17,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:55:17,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:55:17,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (1/1) ... [2022-11-20 10:55:17,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:55:17,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:55:17,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:55:17,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:55:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 10:55:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 10:55:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 10:55:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 10:55:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:55:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:55:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:55:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 10:55:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:55:17,614 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:55:17,617 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:55:17,874 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:55:17,883 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:55:17,883 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 10:55:17,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:17 BoogieIcfgContainer [2022-11-20 10:55:17,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:55:17,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:55:17,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:55:17,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:55:17,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:55:15" (1/3) ... [2022-11-20 10:55:17,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7922f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:55:17, skipping insertion in model container [2022-11-20 10:55:17,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:17" (2/3) ... [2022-11-20 10:55:17,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7922f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:55:17, skipping insertion in model container [2022-11-20 10:55:17,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:17" (3/3) ... [2022-11-20 10:55:17,898 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_17_good.i [2022-11-20 10:55:17,923 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:55:17,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-20 10:55:17,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:55:17,993 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;@41b15fc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:55:17,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-20 10:55:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 52 states have internal predecessors, (62), 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) [2022-11-20 10:55:18,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 10:55:18,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:18,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:18,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:18,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:18,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1426426797, now seen corresponding path program 1 times [2022-11-20 10:55:18,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:18,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127403122] [2022-11-20 10:55:18,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:18,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:18,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:55:18,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:18,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127403122] [2022-11-20 10:55:18,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127403122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:18,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:18,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:55:18,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405453769] [2022-11-20 10:55:18,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:18,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:55:18,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:18,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:55:18,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:18,561 INFO L87 Difference]: Start difference. First operand has 59 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 52 states have internal predecessors, (62), 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 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:55:18,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:18,614 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2022-11-20 10:55:18,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:55:18,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-20 10:55:18,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:18,644 INFO L225 Difference]: With dead ends: 114 [2022-11-20 10:55:18,648 INFO L226 Difference]: Without dead ends: 60 [2022-11-20 10:55:18,653 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 [2022-11-20 10:55:18,658 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 8 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:18,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 129 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:18,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-20 10:55:18,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2022-11-20 10:55:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 47 states have internal predecessors, (53), 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) [2022-11-20 10:55:18,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2022-11-20 10:55:18,721 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 13 [2022-11-20 10:55:18,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:18,723 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2022-11-20 10:55:18,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:55:18,723 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2022-11-20 10:55:18,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 10:55:18,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:18,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:18,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:55:18,726 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)] === [2022-11-20 10:55:18,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:18,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1425014735, now seen corresponding path program 1 times [2022-11-20 10:55:18,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:18,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221374904] [2022-11-20 10:55:18,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:18,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:55:19,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:19,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221374904] [2022-11-20 10:55:19,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221374904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:19,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:19,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:55:19,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595163234] [2022-11-20 10:55:19,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:19,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:55:19,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:19,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:55:19,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:55:19,088 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (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) [2022-11-20 10:55:19,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:19,165 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2022-11-20 10:55:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:55:19,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-20 10:55:19,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:19,168 INFO L225 Difference]: With dead ends: 60 [2022-11-20 10:55:19,168 INFO L226 Difference]: Without dead ends: 58 [2022-11-20 10:55:19,169 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 [2022-11-20 10:55:19,171 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 4 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:19,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 164 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:55:19,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-20 10:55:19,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-20 10:55:19,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.475) internal successors, (59), 52 states have internal predecessors, (59), 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) [2022-11-20 10:55:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2022-11-20 10:55:19,198 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 13 [2022-11-20 10:55:19,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:19,199 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2022-11-20 10:55:19,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (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) [2022-11-20 10:55:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2022-11-20 10:55:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 10:55:19,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:19,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:19,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:55:19,201 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:19,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:19,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1326614612, now seen corresponding path program 1 times [2022-11-20 10:55:19,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:19,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382000513] [2022-11-20 10:55:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:19,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:19,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:55:19,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:19,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382000513] [2022-11-20 10:55:19,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382000513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:19,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:19,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:55:19,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161901712] [2022-11-20 10:55:19,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:19,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:55:19,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:19,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:55:19,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:19,386 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand has 3 states, 2 states have (on average 8.5) 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) [2022-11-20 10:55:19,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:19,406 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2022-11-20 10:55:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:55:19,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) 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 [2022-11-20 10:55:19,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:19,409 INFO L225 Difference]: With dead ends: 58 [2022-11-20 10:55:19,409 INFO L226 Difference]: Without dead ends: 57 [2022-11-20 10:55:19,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:19,424 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 34 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:19,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 67 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:19,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-20 10:55:19,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-20 10:55:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 40 states have (on average 1.45) internal successors, (58), 51 states have internal predecessors, (58), 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) [2022-11-20 10:55:19,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2022-11-20 10:55:19,451 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 19 [2022-11-20 10:55:19,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:19,452 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2022-11-20 10:55:19,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) 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) [2022-11-20 10:55:19,453 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2022-11-20 10:55:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 10:55:19,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:19,454 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:19,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:55:19,455 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:19,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:19,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1325202550, now seen corresponding path program 1 times [2022-11-20 10:55:19,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:19,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349703885] [2022-11-20 10:55:19,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:19,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:55:19,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:19,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349703885] [2022-11-20 10:55:19,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349703885] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:55:19,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408271423] [2022-11-20 10:55:19,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:19,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:55:19,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:55:19,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:55:19,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:55:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:19,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:55:19,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:55:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:55:20,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:55:20,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408271423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:20,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:55:20,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 10:55:20,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850058657] [2022-11-20 10:55:20,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:20,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:55:20,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:20,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:55:20,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:55:20,089 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2022-11-20 10:55:20,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:20,150 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2022-11-20 10:55:20,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:55:20,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 [2022-11-20 10:55:20,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:20,152 INFO L225 Difference]: With dead ends: 97 [2022-11-20 10:55:20,153 INFO L226 Difference]: Without dead ends: 50 [2022-11-20 10:55:20,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:55:20,156 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 36 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 132 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 [2022-11-20 10:55:20,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 132 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:20,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-20 10:55:20,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-20 10:55:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.4) internal successors, (49), 44 states have internal predecessors, (49), 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) [2022-11-20 10:55:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2022-11-20 10:55:20,172 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 19 [2022-11-20 10:55:20,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:20,173 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2022-11-20 10:55:20,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-11-20 10:55:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-11-20 10:55:20,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 10:55:20,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:20,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:20,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 10:55:20,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:55:20,376 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:20,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:20,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1824620072, now seen corresponding path program 1 times [2022-11-20 10:55:20,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:20,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639529362] [2022-11-20 10:55:20,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:20,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:20,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 10:55:20,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:20,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639529362] [2022-11-20 10:55:20,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639529362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:20,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:20,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:55:20,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739278944] [2022-11-20 10:55:20,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:20,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:55:20,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:20,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:55:20,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:20,528 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-20 10:55:20,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:20,582 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2022-11-20 10:55:20,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:55:20,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2022-11-20 10:55:20,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:20,585 INFO L225 Difference]: With dead ends: 113 [2022-11-20 10:55:20,586 INFO L226 Difference]: Without dead ends: 75 [2022-11-20 10:55:20,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:20,588 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 30 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:20,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 124 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:20,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-20 10:55:20,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 54. [2022-11-20 10:55:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.4) internal successors, (56), 47 states have internal predecessors, (56), 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) [2022-11-20 10:55:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2022-11-20 10:55:20,603 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 20 [2022-11-20 10:55:20,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:20,604 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2022-11-20 10:55:20,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-20 10:55:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-11-20 10:55:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 10:55:20,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:20,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:20,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:55:20,607 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)] === [2022-11-20 10:55:20,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:20,608 INFO L85 PathProgramCache]: Analyzing trace with hash 727360498, now seen corresponding path program 1 times [2022-11-20 10:55:20,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:20,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491449427] [2022-11-20 10:55:20,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:20,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 10:55:20,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:20,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491449427] [2022-11-20 10:55:20,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491449427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:20,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:20,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:55:20,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868302465] [2022-11-20 10:55:20,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:20,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:55:20,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:20,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:55:20,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:20,682 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-20 10:55:20,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:20,704 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2022-11-20 10:55:20,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:55:20,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 21 [2022-11-20 10:55:20,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:20,707 INFO L225 Difference]: With dead ends: 90 [2022-11-20 10:55:20,707 INFO L226 Difference]: Without dead ends: 68 [2022-11-20 10:55:20,708 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 [2022-11-20 10:55:20,709 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 9 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 106 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 [2022-11-20 10:55:20,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 106 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:20,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-20 10:55:20,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 55. [2022-11-20 10:55:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 48 states have internal predecessors, (57), 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) [2022-11-20 10:55:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2022-11-20 10:55:20,721 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 21 [2022-11-20 10:55:20,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:20,721 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2022-11-20 10:55:20,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-20 10:55:20,722 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2022-11-20 10:55:20,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 10:55:20,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:20,724 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] [2022-11-20 10:55:20,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:55:20,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:20,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:20,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1773386530, now seen corresponding path program 1 times [2022-11-20 10:55:20,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:20,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726049636] [2022-11-20 10:55:20,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:20,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:55:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:55:20,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:20,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726049636] [2022-11-20 10:55:20,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726049636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:20,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:20,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:55:20,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603773355] [2022-11-20 10:55:20,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:20,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:55:20,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:20,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:55:20,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:55:20,853 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-20 10:55:20,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:20,919 INFO L93 Difference]: Finished difference Result 68 states and 83 transitions. [2022-11-20 10:55:20,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:55:20,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2022-11-20 10:55:20,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:20,921 INFO L225 Difference]: With dead ends: 68 [2022-11-20 10:55:20,921 INFO L226 Difference]: Without dead ends: 66 [2022-11-20 10:55:20,923 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 [2022-11-20 10:55:20,932 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 6 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 155 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 [2022-11-20 10:55:20,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 155 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:20,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-20 10:55:20,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-20 10:55:20,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.34) internal successors, (67), 57 states have internal predecessors, (67), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 10:55:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2022-11-20 10:55:20,960 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 25 [2022-11-20 10:55:20,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:20,962 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2022-11-20 10:55:20,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-20 10:55:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2022-11-20 10:55:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 10:55:20,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:20,968 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] [2022-11-20 10:55:20,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:55:20,969 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:20,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:20,975 INFO L85 PathProgramCache]: Analyzing trace with hash -268046695, now seen corresponding path program 1 times [2022-11-20 10:55:20,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:20,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860103123] [2022-11-20 10:55:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:20,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:55:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:55:21,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:21,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860103123] [2022-11-20 10:55:21,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860103123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:21,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:21,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:55:21,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781783263] [2022-11-20 10:55:21,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:21,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:55:21,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:21,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:55:21,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:55:21,143 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-20 10:55:21,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:21,209 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2022-11-20 10:55:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:55:21,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 31 [2022-11-20 10:55:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:21,212 INFO L225 Difference]: With dead ends: 87 [2022-11-20 10:55:21,215 INFO L226 Difference]: Without dead ends: 70 [2022-11-20 10:55:21,216 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 [2022-11-20 10:55:21,217 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 152 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 [2022-11-20 10:55:21,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 152 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:21,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-20 10:55:21,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-20 10:55:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 10:55:21,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2022-11-20 10:55:21,230 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 31 [2022-11-20 10:55:21,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:21,230 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2022-11-20 10:55:21,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-20 10:55:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2022-11-20 10:55:21,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 10:55:21,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:21,232 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:21,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:55:21,233 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:21,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:21,234 INFO L85 PathProgramCache]: Analyzing trace with hash -52733367, now seen corresponding path program 1 times [2022-11-20 10:55:21,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:21,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819248304] [2022-11-20 10:55:21,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:21,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:55:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 10:55:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 10:55:21,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:21,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819248304] [2022-11-20 10:55:21,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819248304] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:55:21,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366830796] [2022-11-20 10:55:21,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:21,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:55:21,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:55:21,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:55:21,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:55:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:55:21,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:55:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:55:21,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:55:21,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366830796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:21,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:55:21,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 10:55:21,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595558343] [2022-11-20 10:55:21,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:21,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:55:21,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:21,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:55:21,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:55:21,584 INFO L87 Difference]: Start difference. First operand 70 states and 83 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) [2022-11-20 10:55:21,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:21,629 INFO L93 Difference]: Finished difference Result 102 states and 118 transitions. [2022-11-20 10:55:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:55:21,630 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 [2022-11-20 10:55:21,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:21,631 INFO L225 Difference]: With dead ends: 102 [2022-11-20 10:55:21,631 INFO L226 Difference]: Without dead ends: 56 [2022-11-20 10:55:21,632 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 [2022-11-20 10:55:21,633 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 45 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:21,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 122 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:21,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-20 10:55:21,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2022-11-20 10:55:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.25) internal successors, (50), 46 states have internal predecessors, (50), 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) [2022-11-20 10:55:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2022-11-20 10:55:21,642 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 35 [2022-11-20 10:55:21,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:21,643 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2022-11-20 10:55:21,643 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) [2022-11-20 10:55:21,644 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2022-11-20 10:55:21,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 10:55:21,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:21,645 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, 1] [2022-11-20 10:55:21,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:55:21,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:55:21,852 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:21,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:21,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2013298923, now seen corresponding path program 1 times [2022-11-20 10:55:21,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:21,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365637116] [2022-11-20 10:55:21,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:21,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:55:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:55:21,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:21,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365637116] [2022-11-20 10:55:21,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365637116] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:55:21,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085871271] [2022-11-20 10:55:21,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:21,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:55:21,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:55:21,977 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:55:21,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:55:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:55:22,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:55:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:55:22,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:55:22,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085871271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:22,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:55:22,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 10:55:22,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856824110] [2022-11-20 10:55:22,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:22,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:55:22,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:22,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:55:22,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:55:22,138 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-20 10:55:22,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:22,167 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2022-11-20 10:55:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:55:22,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 35 [2022-11-20 10:55:22,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:22,169 INFO L225 Difference]: With dead ends: 68 [2022-11-20 10:55:22,169 INFO L226 Difference]: Without dead ends: 47 [2022-11-20 10:55:22,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:55:22,171 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 26 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:22,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 127 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:22,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-20 10:55:22,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-20 10:55:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 41 states have internal predecessors, (44), 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) [2022-11-20 10:55:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2022-11-20 10:55:22,179 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 35 [2022-11-20 10:55:22,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:22,179 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2022-11-20 10:55:22,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-20 10:55:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2022-11-20 10:55:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 10:55:22,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:22,181 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] [2022-11-20 10:55:22,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:55:22,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 10:55:22,389 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:22,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:22,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2012191493, now seen corresponding path program 1 times [2022-11-20 10:55:22,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:22,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573596574] [2022-11-20 10:55:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:22,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:55:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:55:22,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:22,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573596574] [2022-11-20 10:55:22,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573596574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:22,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:22,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:55:22,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479145880] [2022-11-20 10:55:22,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:22,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:55:22,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:22,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:55:22,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:22,457 INFO L87 Difference]: Start difference. First operand 47 states and 52 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) [2022-11-20 10:55:22,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:22,468 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2022-11-20 10:55:22,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:55:22,469 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 [2022-11-20 10:55:22,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:22,470 INFO L225 Difference]: With dead ends: 47 [2022-11-20 10:55:22,470 INFO L226 Difference]: Without dead ends: 46 [2022-11-20 10:55:22,471 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 [2022-11-20 10:55:22,472 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 8 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:22,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 82 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:22,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-20 10:55:22,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-20 10:55:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.162162162162162) internal successors, (43), 40 states have internal predecessors, (43), 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) [2022-11-20 10:55:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2022-11-20 10:55:22,487 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 36 [2022-11-20 10:55:22,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:22,488 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2022-11-20 10:55:22,488 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) [2022-11-20 10:55:22,489 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-11-20 10:55:22,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 10:55:22,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:22,502 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] [2022-11-20 10:55:22,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:55:22,502 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:22,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:22,503 INFO L85 PathProgramCache]: Analyzing trace with hash -2046573029, now seen corresponding path program 1 times [2022-11-20 10:55:22,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:22,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138757120] [2022-11-20 10:55:22,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:55:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:55:22,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:22,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138757120] [2022-11-20 10:55:22,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138757120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:22,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:22,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:55:22,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831502925] [2022-11-20 10:55:22,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:22,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:55:22,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:22,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:55:22,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:22,588 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-11-20 10:55:22,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:22,600 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-20 10:55:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:55:22,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 37 [2022-11-20 10:55:22,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:22,602 INFO L225 Difference]: With dead ends: 46 [2022-11-20 10:55:22,602 INFO L226 Difference]: Without dead ends: 45 [2022-11-20 10:55:22,603 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 [2022-11-20 10:55:22,603 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 6 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:22,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:22,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-20 10:55:22,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-20 10:55:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 37 states have (on average 1.135135135135135) internal successors, (42), 39 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 10:55:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2022-11-20 10:55:22,630 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 37 [2022-11-20 10:55:22,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:22,633 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2022-11-20 10:55:22,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-11-20 10:55:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2022-11-20 10:55:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 10:55:22,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:22,636 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] [2022-11-20 10:55:22,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 10:55:22,638 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:22,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:22,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1696630525, now seen corresponding path program 1 times [2022-11-20 10:55:22,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:22,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074747215] [2022-11-20 10:55:22,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:22,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:55:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:55:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 10:55:22,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:22,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074747215] [2022-11-20 10:55:22,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074747215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:22,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:22,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:55:22,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008003369] [2022-11-20 10:55:22,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:22,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:55:22,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:22,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:55:22,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:55:22,764 INFO L87 Difference]: Start difference. First operand 45 states and 50 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) [2022-11-20 10:55:22,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:22,798 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2022-11-20 10:55:22,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:55:22,798 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 [2022-11-20 10:55:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:22,801 INFO L225 Difference]: With dead ends: 54 [2022-11-20 10:55:22,801 INFO L226 Difference]: Without dead ends: 52 [2022-11-20 10:55:22,801 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 [2022-11-20 10:55:22,803 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 3 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 136 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 [2022-11-20 10:55:22,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 136 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:22,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-20 10:55:22,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-20 10:55:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 45 states have internal predecessors, (48), 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) [2022-11-20 10:55:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2022-11-20 10:55:22,814 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 43 [2022-11-20 10:55:22,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:22,816 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2022-11-20 10:55:22,816 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) [2022-11-20 10:55:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2022-11-20 10:55:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 10:55:22,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:22,823 INFO L195 NwaCegarLoop]: trace histogram [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, 1] [2022-11-20 10:55:22,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:55:22,824 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 10:55:22,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:22,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1748446730, now seen corresponding path program 1 times [2022-11-20 10:55:22,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:22,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380838188] [2022-11-20 10:55:22,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:22,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:22,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:23,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:55:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:55:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 10:55:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 10:55:23,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:23,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380838188] [2022-11-20 10:55:23,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380838188] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:55:23,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926417628] [2022-11-20 10:55:23,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:23,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:55:23,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:55:23,022 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:55:23,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:55:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:23,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:55:23,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:55:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 10:55:23,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:55:23,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926417628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:23,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:55:23,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 10:55:23,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963798414] [2022-11-20 10:55:23,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:23,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:55:23,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:23,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:55:23,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:55:23,226 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-11-20 10:55:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:23,262 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-11-20 10:55:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:55:23,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 53 [2022-11-20 10:55:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:23,264 INFO L225 Difference]: With dead ends: 56 [2022-11-20 10:55:23,264 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:55:23,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:55:23,265 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:23,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 167 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:55:23,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:55:23,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:55:23,267 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) [2022-11-20 10:55:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:55:23,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2022-11-20 10:55:23,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:23,268 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:55:23,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-11-20 10:55:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:55:23,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:55:23,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-20 10:55:23,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-20 10:55:23,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-20 10:55:23,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-20 10:55:23,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-20 10:55:23,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-20 10:55:23,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-20 10:55:23,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-20 10:55:23,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-20 10:55:23,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-20 10:55:23,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-20 10:55:23,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-20 10:55:23,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:55:23,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 10:55:23,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:55:23,896 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 10:55:23,897 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 10:55:23,897 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 10:55:23,897 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 10:55:23,897 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 10:55:23,897 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 10:55:23,897 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 10:55:23,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-20 10:55:23,898 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-20 10:55:23,898 INFO L899 garLoopResultBuilder]: For program point L1555-2(line 1555) no Hoare annotation was computed. [2022-11-20 10:55:23,898 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1575) no Hoare annotation was computed. [2022-11-20 10:55:23,898 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-20 10:55:23,898 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:55:23,898 INFO L902 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: true [2022-11-20 10:55:23,898 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:55:23,898 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-20 10:55:23,899 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1569) no Hoare annotation was computed. [2022-11-20 10:55:23,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-20 10:55:23,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-20 10:55:23,899 INFO L902 garLoopResultBuilder]: At program point L1598(lines 1592 1599) the Hoare annotation is: true [2022-11-20 10:55:23,899 INFO L899 garLoopResultBuilder]: For program point L1557-2(line 1557) no Hoare annotation was computed. [2022-11-20 10:55:23,899 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2022-11-20 10:55:23,900 INFO L895 garLoopResultBuilder]: At program point L1557-4(lines 1557 1568) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse1))) [2022-11-20 10:55:23,900 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-20 10:55:23,900 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2022-11-20 10:55:23,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-20 10:55:23,901 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) [2022-11-20 10:55:23,901 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 1557 1568) no Hoare annotation was computed. [2022-11-20 10:55:23,901 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (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|) (<= .cse0 0) (<= 0 .cse0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647))) [2022-11-20 10:55:23,902 INFO L899 garLoopResultBuilder]: For program point L1583-1(lines 1579 1585) no Hoare annotation was computed. [2022-11-20 10:55:23,902 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1579) no Hoare annotation was computed. [2022-11-20 10:55:23,902 INFO L899 garLoopResultBuilder]: For program point L1575-2(lines 1575 1578) no Hoare annotation was computed. [2022-11-20 10:55:23,902 INFO L899 garLoopResultBuilder]: For program point L1575-3(line 1575) no Hoare annotation was computed. [2022-11-20 10:55:23,902 INFO L899 garLoopResultBuilder]: For program point L1575-4(line 1575) no Hoare annotation was computed. [2022-11-20 10:55:23,902 INFO L895 garLoopResultBuilder]: At program point L1575-5(lines 1575 1578) the Hoare annotation is: (let ((.cse2 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse3 (<= 0 .cse2)) (.cse4 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) .cse1 (<= .cse2 0) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~h~0#1| 0) .cse3 .cse4)))) [2022-11-20 10:55:23,903 INFO L899 garLoopResultBuilder]: For program point L1575-6(lines 1575 1578) no Hoare annotation was computed. [2022-11-20 10:55:23,903 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1567) no Hoare annotation was computed. [2022-11-20 10:55:23,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1579) no Hoare annotation was computed. [2022-11-20 10:55:23,903 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:55:23,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-20 10:55:23,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:55:23,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-20 10:55:23,904 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-20 10:55:23,904 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2022-11-20 10:55:23,904 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1553 1556) no Hoare annotation was computed. [2022-11-20 10:55:23,904 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-11-20 10:55:23,904 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-11-20 10:55:23,905 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647))) (or (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) .cse0) (and (< 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (= |ULTIMATE.start_goodB2G_~i~1#1| 0) .cse0))) [2022-11-20 10:55:23,905 INFO L899 garLoopResultBuilder]: For program point L1553-6(lines 1553 1556) no Hoare annotation was computed. [2022-11-20 10:55:23,905 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1586) no Hoare annotation was computed. [2022-11-20 10:55:23,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-20 10:55:23,905 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-11-20 10:55:23,906 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-11-20 10:55:23,906 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (not (<= (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648) 0))) [2022-11-20 10:55:23,906 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1591) no Hoare annotation was computed. [2022-11-20 10:55:23,906 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1575) no Hoare annotation was computed. [2022-11-20 10:55:23,906 INFO L899 garLoopResultBuilder]: For program point L1579-2(line 1579) no Hoare annotation was computed. [2022-11-20 10:55:23,906 INFO L899 garLoopResultBuilder]: For program point L1579-3(line 1579) no Hoare annotation was computed. [2022-11-20 10:55:23,907 INFO L895 garLoopResultBuilder]: At program point L1579-4(lines 1579 1585) the Hoare annotation is: (let ((.cse6 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (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 (<= .cse6 0)) (.cse4 (<= 0 .cse6)) (.cse5 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse1 .cse2 .cse3 .cse4 .cse5)))) [2022-11-20 10:55:23,911 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:23,914 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:55:23,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:55:23 BoogieIcfgContainer [2022-11-20 10:55:23,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:55:23,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:55:23,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:55:23,962 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:55:23,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:17" (3/4) ... [2022-11-20 10:55:23,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:55:23,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 10:55:23,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 10:55:23,986 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 10:55:23,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 10:55:23,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:55:23,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:55:24,063 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:55:24,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:55:24,064 INFO L158 Benchmark]: Toolchain (without parser) took 8676.72ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 103.5MB in the beginning and 140.1MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:55:24,064 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 111.1MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:55:24,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1766.17ms. Allocated memory is still 144.7MB. Free memory was 103.5MB in the beginning and 89.5MB in the end (delta: 14.0MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2022-11-20 10:55:24,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.95ms. Allocated memory is still 144.7MB. Free memory was 89.5MB in the beginning and 86.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:55:24,067 INFO L158 Benchmark]: Boogie Preprocessor took 44.08ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:55:24,067 INFO L158 Benchmark]: RCFGBuilder took 599.68ms. Allocated memory is still 144.7MB. Free memory was 84.8MB in the beginning and 69.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:55:24,068 INFO L158 Benchmark]: TraceAbstraction took 6072.16ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 68.7MB in the beginning and 144.3MB in the end (delta: -75.6MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-11-20 10:55:24,068 INFO L158 Benchmark]: Witness Printer took 102.22ms. Allocated memory is still 180.4MB. Free memory was 144.3MB in the beginning and 140.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:55:24,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 111.1MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1766.17ms. Allocated memory is still 144.7MB. Free memory was 103.5MB in the beginning and 89.5MB in the end (delta: 14.0MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.95ms. Allocated memory is still 144.7MB. Free memory was 89.5MB in the beginning and 86.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.08ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.68ms. Allocated memory is still 144.7MB. Free memory was 84.8MB in the beginning and 69.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6072.16ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 68.7MB in the beginning and 144.3MB in the end (delta: -75.6MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Witness Printer took 102.22ms. Allocated memory is still 180.4MB. Free memory was 144.3MB in the beginning and 140.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: 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 - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: 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: 5.9s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 1745 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 995 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 146 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 750 mSDtfsCounter, 146 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=8, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 45 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 32 PreInvPairs, 45 NumberOfFragments, 193 HoareAnnotationTreeSize, 32 FomulaSimplifications, 22 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 524 ConstructedInterpolants, 0 QuantifiedInterpolants, 760 SizeOfPredicates, 4 NumberOfNonLiveVariables, 563 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 127/131 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: 1579]: Loop Invariant Derived loop invariant: ((((((1 <= i && 1 <= j) && 1 <= h) && 1 <= k) && data + 2 <= 0) && 0 <= data + 2) && data <= 2147483647) || ((((((1 <= i && j == 0) && 1 <= h) && 1 <= k) && data + 2 <= 0) && 0 <= data + 2) && data <= 2147483647) - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1575]: Loop Invariant Derived loop invariant: (((((1 <= i && 1 <= h) && 1 <= k) && data + 2 <= 0) && 0 <= data + 2) && data <= 2147483647) || ((((1 <= i && 1 <= k) && h == 0) && 0 <= data + 2) && data <= 2147483647) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && data <= 2147483647) || ((0 < data + 2147483648 && i == 0) && data <= 2147483647) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: ((1 <= i && 1 <= k) && data <= 2147483647) || ((1 <= i && k == 0) && data <= 2147483647) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:55:24,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f72c99-f8c3-4c27-ad16-cdcb4778ef99/bin/uautomizer-ug76WZFUDN/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