./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 25ab4204fa4d37ee71ffb93ed41a6144f388a989c8f09486d5455bf3a4ece1ea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:47:11,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:47:11,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:47:11,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:47:11,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:47:11,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:47:11,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:47:11,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:47:11,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:47:11,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:47:11,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:47:11,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:47:11,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:47:11,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:47:11,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:47:11,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:47:11,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:47:11,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:47:11,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:47:11,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:47:11,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:47:11,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:47:11,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:47:11,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:47:11,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:47:11,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:47:11,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:47:11,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:47:11,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:47:11,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:47:11,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:47:11,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:47:11,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:47:11,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:47:11,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:47:11,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:47:11,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:47:11,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:47:11,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:47:11,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:47:11,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:47:11,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 02:47:11,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:47:11,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:47:11,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:47:11,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:47:11,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:47:11,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:47:11,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:47:11,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:47:11,797 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:47:11,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:47:11,799 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:47:11,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:47:11,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:47:11,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:47:11,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:47:11,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:47:11,800 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:47:11,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:47:11,801 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:47:11,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:47:11,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:47:11,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:47:11,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:47:11,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:47:11,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:47:11,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:47:11,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:47:11,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:47:11,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:47:11,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:47:11,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:47:11,805 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:47:11,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:47:11,805 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ab4204fa4d37ee71ffb93ed41a6144f388a989c8f09486d5455bf3a4ece1ea [2022-11-23 02:47:12,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:47:12,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:47:12,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:47:12,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:47:12,253 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:47:12,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_good.i [2022-11-23 02:47:15,593 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:47:16,075 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:47:16,077 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_good.i [2022-11-23 02:47:16,119 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/data/168fbde55/a17aad1f04f147e68d0a90730fcb74aa/FLAGc1e060459 [2022-11-23 02:47:16,137 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/data/168fbde55/a17aad1f04f147e68d0a90730fcb74aa [2022-11-23 02:47:16,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:47:16,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:47:16,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:47:16,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:47:16,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:47:16,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:16" (1/1) ... [2022-11-23 02:47:16,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb8fa14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:16, skipping insertion in model container [2022-11-23 02:47:16,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:16" (1/1) ... [2022-11-23 02:47:16,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:47:16,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:47:16,665 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:47:17,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:47:17,370 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:47:17,413 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:47:17,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:47:17,820 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:47:17,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17 WrapperNode [2022-11-23 02:47:17,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:47:17,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:47:17,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:47:17,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:47:17,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,891 INFO L138 Inliner]: procedures = 503, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-11-23 02:47:17,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:47:17,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:47:17,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:47:17,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:47:17,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,918 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:47:17,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:47:17,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:47:17,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:47:17,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (1/1) ... [2022-11-23 02:47:17,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:47:17,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:47:17,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:47:17,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:47:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 02:47:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 02:47:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 02:47:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 02:47:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-23 02:47:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-23 02:47:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:47:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:47:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:47:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2022-11-23 02:47:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2022-11-23 02:47:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 02:47:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:47:18,303 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:47:18,306 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:47:18,688 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:47:18,708 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:47:18,708 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:47:18,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:18 BoogieIcfgContainer [2022-11-23 02:47:18,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:47:18,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:47:18,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:47:18,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:47:18,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:47:16" (1/3) ... [2022-11-23 02:47:18,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4ed294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:18, skipping insertion in model container [2022-11-23 02:47:18,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:17" (2/3) ... [2022-11-23 02:47:18,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4ed294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:18, skipping insertion in model container [2022-11-23 02:47:18,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:18" (3/3) ... [2022-11-23 02:47:18,729 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_11_good.i [2022-11-23 02:47:18,754 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:47:18,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-23 02:47:18,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:47:18,854 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;@31f3e3d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:47:18,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 02:47:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.46) internal successors, (73), 66 states have internal predecessors, (73), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 02:47:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 02:47:18,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:18,878 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, 1, 1] [2022-11-23 02:47:18,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:18,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:18,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1264640567, now seen corresponding path program 1 times [2022-11-23 02:47:18,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:18,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926216354] [2022-11-23 02:47:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:18,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:47:19,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:19,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926216354] [2022-11-23 02:47:19,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926216354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:19,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:47:19,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:47:19,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737319903] [2022-11-23 02:47:19,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:19,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:47:19,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:19,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:47:19,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:47:19,378 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.46) internal successors, (73), 66 states have internal predecessors, (73), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:47:19,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:19,462 INFO L93 Difference]: Finished difference Result 204 states and 278 transitions. [2022-11-23 02:47:19,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:47:19,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 23 [2022-11-23 02:47:19,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:19,476 INFO L225 Difference]: With dead ends: 204 [2022-11-23 02:47:19,476 INFO L226 Difference]: Without dead ends: 121 [2022-11-23 02:47:19,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:47:19,483 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 48 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:47:19,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 300 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:19,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-23 02:47:19,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 78. [2022-11-23 02:47:19,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 63 states have internal predecessors, (70), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 14 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-23 02:47:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2022-11-23 02:47:19,535 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 23 [2022-11-23 02:47:19,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:19,536 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2022-11-23 02:47:19,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:47:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2022-11-23 02:47:19,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 02:47:19,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:19,539 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, 1, 1] [2022-11-23 02:47:19,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:47:19,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:19,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:19,540 INFO L85 PathProgramCache]: Analyzing trace with hash 871613557, now seen corresponding path program 1 times [2022-11-23 02:47:19,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:19,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369965537] [2022-11-23 02:47:19,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:19,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:47:19,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:19,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369965537] [2022-11-23 02:47:19,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369965537] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:19,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:47:19,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:47:19,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489311485] [2022-11-23 02:47:19,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:19,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:47:19,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:19,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:47:19,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:47:19,788 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:47:19,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:19,831 INFO L93 Difference]: Finished difference Result 134 states and 176 transitions. [2022-11-23 02:47:19,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:47:19,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-11-23 02:47:19,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:19,833 INFO L225 Difference]: With dead ends: 134 [2022-11-23 02:47:19,833 INFO L226 Difference]: Without dead ends: 68 [2022-11-23 02:47:19,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:47:19,835 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:47:19,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-23 02:47:19,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-23 02:47:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 53 states have internal predecessors, (58), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 02:47:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2022-11-23 02:47:19,853 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 23 [2022-11-23 02:47:19,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:19,854 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2022-11-23 02:47:19,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:47:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2022-11-23 02:47:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-23 02:47:19,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:19,857 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 02:47:19,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:47:19,858 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:19,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:19,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1274928700, now seen corresponding path program 1 times [2022-11-23 02:47:19,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:19,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584315261] [2022-11-23 02:47:19,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:19,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:19,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:47:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:47:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 02:47:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 02:47:20,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:20,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584315261] [2022-11-23 02:47:20,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584315261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:20,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:47:20,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:47:20,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675875364] [2022-11-23 02:47:20,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:20,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:47:20,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:20,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:47:20,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:47:20,067 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 02:47:20,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:20,112 INFO L93 Difference]: Finished difference Result 122 states and 156 transitions. [2022-11-23 02:47:20,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:47:20,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-11-23 02:47:20,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:20,120 INFO L225 Difference]: With dead ends: 122 [2022-11-23 02:47:20,122 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 02:47:20,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:47:20,125 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:47:20,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:20,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 02:47:20,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-23 02:47:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 52 states have internal predecessors, (57), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 02:47:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-11-23 02:47:20,139 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 41 [2022-11-23 02:47:20,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:20,139 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-11-23 02:47:20,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 02:47:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-11-23 02:47:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 02:47:20,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:20,141 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 02:47:20,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:47:20,142 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:20,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:20,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1384813879, now seen corresponding path program 1 times [2022-11-23 02:47:20,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:20,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396531778] [2022-11-23 02:47:20,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:20,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:47:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:47:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:47:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 02:47:20,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:20,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396531778] [2022-11-23 02:47:20,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396531778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:20,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:47:20,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:47:20,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586224045] [2022-11-23 02:47:20,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:20,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:47:20,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:20,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:47:20,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:47:20,231 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 02:47:20,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:20,276 INFO L93 Difference]: Finished difference Result 143 states and 182 transitions. [2022-11-23 02:47:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:47:20,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2022-11-23 02:47:20,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:20,279 INFO L225 Difference]: With dead ends: 143 [2022-11-23 02:47:20,279 INFO L226 Difference]: Without dead ends: 99 [2022-11-23 02:47:20,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:47:20,281 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 25 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:47:20,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 171 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:20,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-23 02:47:20,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 72. [2022-11-23 02:47:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 56 states have internal predecessors, (62), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 02:47:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2022-11-23 02:47:20,292 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 43 [2022-11-23 02:47:20,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:20,292 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2022-11-23 02:47:20,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 02:47:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2022-11-23 02:47:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 02:47:20,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:20,294 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 02:47:20,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:47:20,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:20,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:20,295 INFO L85 PathProgramCache]: Analyzing trace with hash 991786869, now seen corresponding path program 1 times [2022-11-23 02:47:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:20,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390909684] [2022-11-23 02:47:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:20,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:47:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:47:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:47:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 02:47:20,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:20,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390909684] [2022-11-23 02:47:20,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390909684] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:47:20,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693007922] [2022-11-23 02:47:20,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:20,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:20,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:47:20,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:47:20,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 02:47:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:47:20,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:47:20,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 02:47:20,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:47:20,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693007922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:20,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:47:20,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 02:47:20,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946716864] [2022-11-23 02:47:20,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:20,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:47:20,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:20,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:47:20,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:20,636 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 02:47:20,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:20,648 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2022-11-23 02:47:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:47:20,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2022-11-23 02:47:20,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:20,650 INFO L225 Difference]: With dead ends: 138 [2022-11-23 02:47:20,650 INFO L226 Difference]: Without dead ends: 92 [2022-11-23 02:47:20,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:20,652 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 25 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 188 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 [2022-11-23 02:47:20,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 188 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:20,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-23 02:47:20,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 66. [2022-11-23 02:47:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.25) internal successors, (55), 50 states have internal predecessors, (55), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 02:47:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2022-11-23 02:47:20,662 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 43 [2022-11-23 02:47:20,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:20,662 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2022-11-23 02:47:20,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 02:47:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2022-11-23 02:47:20,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-23 02:47:20,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:20,664 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1] [2022-11-23 02:47:20,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:47:20,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:20,872 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:20,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:20,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1005799265, now seen corresponding path program 1 times [2022-11-23 02:47:20,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:20,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487243315] [2022-11-23 02:47:20,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:20,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:47:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:47:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:47:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 02:47:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:20,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:47:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 02:47:21,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:21,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487243315] [2022-11-23 02:47:21,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487243315] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:47:21,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156440144] [2022-11-23 02:47:21,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:21,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:21,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:47:21,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:47:21,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 02:47:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:47:21,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:47:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-23 02:47:21,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:47:21,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156440144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:21,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:47:21,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 02:47:21,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165026051] [2022-11-23 02:47:21,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:21,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:47:21,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:21,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:47:21,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:21,140 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 02:47:21,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:21,153 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2022-11-23 02:47:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:47:21,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2022-11-23 02:47:21,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:21,155 INFO L225 Difference]: With dead ends: 66 [2022-11-23 02:47:21,155 INFO L226 Difference]: Without dead ends: 65 [2022-11-23 02:47:21,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:21,157 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 17 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 121 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 [2022-11-23 02:47:21,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 121 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:21,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-23 02:47:21,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-23 02:47:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 49 states have internal predecessors, (54), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 02:47:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2022-11-23 02:47:21,165 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 55 [2022-11-23 02:47:21,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:21,166 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-11-23 02:47:21,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 02:47:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-11-23 02:47:21,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-23 02:47:21,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:21,168 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:47:21,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 02:47:21,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:21,374 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:21,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:21,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1115006006, now seen corresponding path program 1 times [2022-11-23 02:47:21,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:21,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180247471] [2022-11-23 02:47:21,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:21,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:47:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:47:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:47:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 02:47:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:47:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,535 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 02:47:21,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:21,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180247471] [2022-11-23 02:47:21,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180247471] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:47:21,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940367033] [2022-11-23 02:47:21,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:21,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:21,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:47:21,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:47:21,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 02:47:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:21,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:47:21,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:47:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-23 02:47:21,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:47:21,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940367033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:21,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:47:21,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 02:47:21,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767371996] [2022-11-23 02:47:21,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:21,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:47:21,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:21,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:47:21,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:21,705 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 02:47:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:21,737 INFO L93 Difference]: Finished difference Result 100 states and 124 transitions. [2022-11-23 02:47:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:47:21,738 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2022-11-23 02:47:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:21,739 INFO L225 Difference]: With dead ends: 100 [2022-11-23 02:47:21,739 INFO L226 Difference]: Without dead ends: 84 [2022-11-23 02:47:21,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:21,745 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 12 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:47:21,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 148 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:21,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-23 02:47:21,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 71. [2022-11-23 02:47:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 53 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 02:47:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-11-23 02:47:21,761 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 56 [2022-11-23 02:47:21,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:21,762 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-11-23 02:47:21,762 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 02:47:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-11-23 02:47:21,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-23 02:47:21,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:21,767 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:47:21,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 02:47:21,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:21,968 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:21,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:21,968 INFO L85 PathProgramCache]: Analyzing trace with hash 113873730, now seen corresponding path program 1 times [2022-11-23 02:47:21,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:21,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903706091] [2022-11-23 02:47:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:47:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:47:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:47:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 02:47:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:47:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-23 02:47:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-23 02:47:22,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:22,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903706091] [2022-11-23 02:47:22,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903706091] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:47:22,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605732100] [2022-11-23 02:47:22,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:22,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:22,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:47:22,080 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:47:22,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 02:47:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:47:22,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:47:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-23 02:47:22,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:47:22,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605732100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:22,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:47:22,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 02:47:22,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518445281] [2022-11-23 02:47:22,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:22,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:47:22,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:22,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:47:22,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:22,261 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 02:47:22,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:22,281 INFO L93 Difference]: Finished difference Result 102 states and 124 transitions. [2022-11-23 02:47:22,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:47:22,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2022-11-23 02:47:22,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:22,285 INFO L225 Difference]: With dead ends: 102 [2022-11-23 02:47:22,286 INFO L226 Difference]: Without dead ends: 80 [2022-11-23 02:47:22,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:22,289 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 12 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:47:22,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 163 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:22,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-23 02:47:22,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2022-11-23 02:47:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 50 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 02:47:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2022-11-23 02:47:22,311 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 61 [2022-11-23 02:47:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:22,311 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2022-11-23 02:47:22,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 02:47:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-11-23 02:47:22,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 02:47:22,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:22,317 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:47:22,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 02:47:22,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 02:47:22,528 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:22,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:22,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1074039407, now seen corresponding path program 1 times [2022-11-23 02:47:22,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:22,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381414753] [2022-11-23 02:47:22,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:22,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:47:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:47:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:47:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 02:47:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:47:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:47:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-23 02:47:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-23 02:47:22,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:22,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381414753] [2022-11-23 02:47:22,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381414753] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:47:22,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057905706] [2022-11-23 02:47:22,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:22,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:22,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:47:22,666 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:47:22,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 02:47:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:22,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:47:22,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:47:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-23 02:47:22,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:47:22,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057905706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:22,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:47:22,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 02:47:22,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828130982] [2022-11-23 02:47:22,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:22,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:47:22,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:22,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:47:22,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:22,792 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 02:47:22,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:22,806 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions. [2022-11-23 02:47:22,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:47:22,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-11-23 02:47:22,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:22,807 INFO L225 Difference]: With dead ends: 68 [2022-11-23 02:47:22,808 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 02:47:22,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:22,809 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 4 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:47:22,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 136 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:22,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 02:47:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-23 02:47:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 49 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 02:47:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-11-23 02:47:22,817 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 68 [2022-11-23 02:47:22,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:22,817 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-11-23 02:47:22,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 02:47:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-11-23 02:47:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-23 02:47:22,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:22,819 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:47:22,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 02:47:23,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:23,025 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:23,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:23,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1064516586, now seen corresponding path program 1 times [2022-11-23 02:47:23,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:23,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097148945] [2022-11-23 02:47:23,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:23,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:47:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:47:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:47:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 02:47:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:47:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:47:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-23 02:47:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-23 02:47:23,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:23,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097148945] [2022-11-23 02:47:23,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097148945] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:47:23,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230160923] [2022-11-23 02:47:23,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:23,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:23,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:47:23,194 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:47:23,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 02:47:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:47:23,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:47:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-23 02:47:23,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:47:23,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230160923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:23,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:47:23,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 02:47:23,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113102615] [2022-11-23 02:47:23,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:23,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:47:23,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:23,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:47:23,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:23,337 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 02:47:23,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:23,349 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2022-11-23 02:47:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:47:23,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-11-23 02:47:23,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:23,352 INFO L225 Difference]: With dead ends: 74 [2022-11-23 02:47:23,352 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 02:47:23,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:23,353 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 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 [2022-11-23 02:47:23,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:23,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 02:47:23,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-23 02:47:23,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.148936170212766) internal successors, (54), 49 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 02:47:23,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-11-23 02:47:23,385 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 69 [2022-11-23 02:47:23,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:23,386 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-11-23 02:47:23,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 02:47:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-11-23 02:47:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-23 02:47:23,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:47:23,390 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:47:23,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 02:47:23,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 02:47:23,596 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:47:23,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:47:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1457543596, now seen corresponding path program 1 times [2022-11-23 02:47:23,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:47:23,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031982569] [2022-11-23 02:47:23,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:23,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:47:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:47:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:47:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:47:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:47:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:47:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:47:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 02:47:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:47:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:47:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-23 02:47:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-23 02:47:23,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:47:23,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031982569] [2022-11-23 02:47:23,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031982569] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:47:23,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511184952] [2022-11-23 02:47:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:47:23,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:23,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:47:23,716 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:47:23,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 02:47:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:47:23,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:47:23,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:47:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-23 02:47:23,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:47:23,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511184952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:47:23,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:47:23,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 02:47:23,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946933399] [2022-11-23 02:47:23,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:47:23,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:47:23,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:47:23,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:47:23,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:23,845 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 02:47:23,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:47:23,850 INFO L93 Difference]: Finished difference Result 67 states and 84 transitions. [2022-11-23 02:47:23,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:47:23,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-11-23 02:47:23,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:47:23,851 INFO L225 Difference]: With dead ends: 67 [2022-11-23 02:47:23,851 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 02:47:23,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:47:23,853 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:47:23,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:47:23,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 02:47:23,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 02:47:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:47:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 02:47:23,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-11-23 02:47:23,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:47:23,855 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:47:23,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 02:47:23,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 02:47:23,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 02:47:23,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-23 02:47:23,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-23 02:47:23,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-23 02:47:23,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-23 02:47:23,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-23 02:47:23,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-23 02:47:23,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-23 02:47:23,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-23 02:47:23,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-23 02:47:24,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:47:24,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 02:47:24,142 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 02:47:24,142 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 02:47:24,143 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 02:47:24,143 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 02:47:24,143 INFO L902 garLoopResultBuilder]: At program point globalReturnsFalseENTRY(lines 1514 1517) the Hoare annotation is: true [2022-11-23 02:47:24,143 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseFINAL(lines 1514 1517) no Hoare annotation was computed. [2022-11-23 02:47:24,143 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2022-11-23 02:47:24,143 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 02:47:24,143 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 02:47:24,144 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 02:47:24,144 INFO L895 garLoopResultBuilder]: At program point L1604-3(lines 1604 1611) the Hoare annotation is: (or (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and (<= .cse0 0) (<= 0 .cse0)))) [2022-11-23 02:47:24,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-23 02:47:24,144 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2022-11-23 02:47:24,144 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 1629 1636) no Hoare annotation was computed. [2022-11-23 02:47:24,144 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2022-11-23 02:47:24,145 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2022-11-23 02:47:24,145 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|) [2022-11-23 02:47:24,145 INFO L899 garLoopResultBuilder]: For program point L1580-1(line 1580) no Hoare annotation was computed. [2022-11-23 02:47:24,145 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1580 1583) no Hoare annotation was computed. [2022-11-23 02:47:24,145 INFO L895 garLoopResultBuilder]: At program point L1580-4(lines 1580 1583) the Hoare annotation is: (or (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-23 02:47:24,145 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-23 02:47:24,146 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2022-11-23 02:47:24,146 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-23 02:47:24,146 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 02:47:24,146 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 02:47:24,146 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2022-11-23 02:47:24,146 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-11-23 02:47:24,146 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1574) no Hoare annotation was computed. [2022-11-23 02:47:24,147 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1618) no Hoare annotation was computed. [2022-11-23 02:47:24,147 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-23 02:47:24,147 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-23 02:47:24,147 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1635) no Hoare annotation was computed. [2022-11-23 02:47:24,147 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2022-11-23 02:47:24,147 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2022-11-23 02:47:24,148 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-11-23 02:47:24,148 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-23 02:47:24,148 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-23 02:47:24,148 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-11-23 02:47:24,148 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: false [2022-11-23 02:47:24,148 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-23 02:47:24,148 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2022-11-23 02:47:24,149 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2022-11-23 02:47:24,149 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-23 02:47:24,149 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2022-11-23 02:47:24,149 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-11-23 02:47:24,149 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: false [2022-11-23 02:47:24,149 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-11-23 02:47:24,150 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2022-11-23 02:47:24,150 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1625 1628) no Hoare annotation was computed. [2022-11-23 02:47:24,150 INFO L895 garLoopResultBuilder]: At program point L1625-4(lines 1625 1628) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)))) (or (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) .cse0) (let ((.cse1 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2))) (and (<= 0 .cse1) (<= .cse1 0) .cse0)))) [2022-11-23 02:47:24,150 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-11-23 02:47:24,150 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) [2022-11-23 02:47:24,150 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-11-23 02:47:24,151 INFO L899 garLoopResultBuilder]: For program point L1584(line 1584) no Hoare annotation was computed. [2022-11-23 02:47:24,151 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 1584 1598) no Hoare annotation was computed. [2022-11-23 02:47:24,151 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2022-11-23 02:47:24,151 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-11-23 02:47:24,151 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 02:47:24,151 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2022-11-23 02:47:24,152 INFO L902 garLoopResultBuilder]: At program point L1651(lines 1645 1652) the Hoare annotation is: true [2022-11-23 02:47:24,152 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2022-11-23 02:47:24,152 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-23 02:47:24,152 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2022-11-23 02:47:24,152 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0) [2022-11-23 02:47:24,152 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 02:47:24,152 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2022-11-23 02:47:24,153 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1597) no Hoare annotation was computed. [2022-11-23 02:47:24,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-23 02:47:24,153 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-11-23 02:47:24,153 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2022-11-23 02:47:24,153 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1574) no Hoare annotation was computed. [2022-11-23 02:47:24,153 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-23 02:47:24,153 INFO L899 garLoopResultBuilder]: For program point L1612-1(lines 1612 1619) no Hoare annotation was computed. [2022-11-23 02:47:24,154 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-23 02:47:24,154 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-23 02:47:24,154 INFO L902 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: true [2022-11-23 02:47:24,154 INFO L899 garLoopResultBuilder]: For program point L1604-1(line 1604) no Hoare annotation was computed. [2022-11-23 02:47:24,154 INFO L899 garLoopResultBuilder]: For program point L1604-2(lines 1604 1611) no Hoare annotation was computed. [2022-11-23 02:47:24,154 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueFINAL(lines 1510 1513) no Hoare annotation was computed. [2022-11-23 02:47:24,155 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueENTRY(lines 1510 1513) the Hoare annotation is: true [2022-11-23 02:47:24,155 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2022-11-23 02:47:24,158 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:47:24,160 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:47:24,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:47:24 BoogieIcfgContainer [2022-11-23 02:47:24,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:47:24,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:47:24,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:47:24,170 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:47:24,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:18" (3/4) ... [2022-11-23 02:47:24,174 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 02:47:24,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 02:47:24,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2022-11-23 02:47:24,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 02:47:24,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-11-23 02:47:24,186 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-23 02:47:24,187 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 02:47:24,187 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 02:47:24,187 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 02:47:24,226 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:47:24,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:47:24,227 INFO L158 Benchmark]: Toolchain (without parser) took 8084.80ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 84.8MB in the beginning and 103.8MB in the end (delta: -19.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2022-11-23 02:47:24,227 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:47:24,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1677.20ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 84.8MB in the beginning and 158.8MB in the end (delta: -74.0MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2022-11-23 02:47:24,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.48ms. Allocated memory is still 207.6MB. Free memory was 158.8MB in the beginning and 155.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:47:24,229 INFO L158 Benchmark]: Boogie Preprocessor took 31.22ms. Allocated memory is still 207.6MB. Free memory was 155.5MB in the beginning and 153.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:47:24,230 INFO L158 Benchmark]: RCFGBuilder took 786.62ms. Allocated memory is still 207.6MB. Free memory was 153.5MB in the beginning and 137.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 02:47:24,230 INFO L158 Benchmark]: TraceAbstraction took 5453.88ms. Allocated memory is still 207.6MB. Free memory was 136.8MB in the beginning and 108.0MB in the end (delta: 28.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-23 02:47:24,230 INFO L158 Benchmark]: Witness Printer took 57.13ms. Allocated memory is still 207.6MB. Free memory was 108.0MB in the beginning and 103.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:47:24,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1677.20ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 84.8MB in the beginning and 158.8MB in the end (delta: -74.0MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.48ms. Allocated memory is still 207.6MB. Free memory was 158.8MB in the beginning and 155.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.22ms. Allocated memory is still 207.6MB. Free memory was 155.5MB in the beginning and 153.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 786.62ms. Allocated memory is still 207.6MB. Free memory was 153.5MB in the beginning and 137.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5453.88ms. Allocated memory is still 207.6MB. Free memory was 136.8MB in the beginning and 108.0MB in the end (delta: 28.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Witness Printer took 57.13ms. Allocated memory is still 207.6MB. Free memory was 108.0MB in the beginning and 103.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 81 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 1997 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 973 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1024 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 605 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 11 MinimizatonAttempts, 121 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 97 PreInvPairs, 117 NumberOfFragments, 92 HoareAnnotationTreeSize, 97 FomulaSimplifications, 139 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 1270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1340 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 504/530 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 02:47:24,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5822f31-aedd-485f-b29f-244e990c4551/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE