./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD --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 32bit --witnessprinter.graph.data.programhash 1f6e3ea051ad39822c46ff9cb12f1fe0324fb4c12be74e4be841016f2db74b5c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:02:58,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:02:58,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:02:58,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:02:58,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:02:58,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:02:58,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:02:58,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:02:58,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:02:58,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:02:58,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:02:58,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:02:58,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:02:58,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:02:58,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:02:58,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:02:58,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:02:58,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:02:58,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:02:58,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:02:58,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:02:58,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:02:58,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:02:58,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:02:58,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:02:58,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:02:58,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:02:58,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:02:58,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:02:58,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:02:58,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:02:58,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:02:58,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:02:58,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:02:58,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:02:58,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:02:58,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:02:58,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:02:58,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:02:58,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:02:58,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:02:58,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-29 00:02:59,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:02:59,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:02:59,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:02:59,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:02:59,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:02:59,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:02:59,028 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:02:59,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:02:59,028 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:02:59,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:02:59,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:02:59,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:02:59,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:02:59,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 00:02:59,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 00:02:59,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 00:02:59,031 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 00:02:59,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:02:59,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:02:59,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:02:59,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 00:02:59,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:02:59,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:02:59,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 00:02:59,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:02:59,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:02:59,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 00:02:59,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 00:02:59,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:02:59,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 00:02:59,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 00:02:59,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:02:59,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f6e3ea051ad39822c46ff9cb12f1fe0324fb4c12be74e4be841016f2db74b5c [2021-10-29 00:02:59,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:02:59,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:02:59,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:02:59,351 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:02:59,352 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:02:59,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2021-10-29 00:02:59,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/data/f207a3e4f/2d9f19cf52a843cb8323e8412f2ac7f3/FLAGf0de738c2 [2021-10-29 00:02:59,969 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:02:59,970 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2021-10-29 00:02:59,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/data/f207a3e4f/2d9f19cf52a843cb8323e8412f2ac7f3/FLAGf0de738c2 [2021-10-29 00:03:00,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/data/f207a3e4f/2d9f19cf52a843cb8323e8412f2ac7f3 [2021-10-29 00:03:00,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:03:00,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:03:00,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:03:00,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:03:00,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:03:00,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de48601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00, skipping insertion in model container [2021-10-29 00:03:00,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:03:00,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:03:00,515 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c[425,438] [2021-10-29 00:03:00,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:03:00,598 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:03:00,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c[425,438] [2021-10-29 00:03:00,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:03:00,670 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:03:00,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00 WrapperNode [2021-10-29 00:03:00,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:03:00,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:03:00,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:03:00,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:03:00,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:03:00,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:03:00,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:03:00,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:03:00,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:03:00,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:03:00,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:03:00,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:03:00,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (1/1) ... [2021-10-29 00:03:00,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:03:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:03:00,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 00:03:00,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 00:03:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:03:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:03:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:03:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:03:01,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:03:01,730 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-10-29 00:03:01,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:01 BoogieIcfgContainer [2021-10-29 00:03:01,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:03:01,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 00:03:01,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 00:03:01,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 00:03:01,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:03:00" (1/3) ... [2021-10-29 00:03:01,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c80b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:03:01, skipping insertion in model container [2021-10-29 00:03:01,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:00" (2/3) ... [2021-10-29 00:03:01,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c80b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:03:01, skipping insertion in model container [2021-10-29 00:03:01,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:01" (3/3) ... [2021-10-29 00:03:01,742 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_4-3a.c.cil.c [2021-10-29 00:03:01,747 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 00:03:01,748 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2021-10-29 00:03:01,799 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 00:03:01,806 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 00:03:01,806 INFO L340 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2021-10-29 00:03:01,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 114 states have (on average 1.763157894736842) internal successors, (201), 152 states have internal predecessors, (201), 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) [2021-10-29 00:03:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 00:03:01,833 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:01,834 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:01,835 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:01,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:01,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1807791520, now seen corresponding path program 1 times [2021-10-29 00:03:01,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:01,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856819323] [2021-10-29 00:03:01,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:01,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:02,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:02,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856819323] [2021-10-29 00:03:02,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856819323] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:02,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:02,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:03:02,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212813299] [2021-10-29 00:03:02,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 00:03:02,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:02,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 00:03:02,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 00:03:02,063 INFO L87 Difference]: Start difference. First operand has 153 states, 114 states have (on average 1.763157894736842) internal successors, (201), 152 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:02,103 INFO L93 Difference]: Finished difference Result 284 states and 374 transitions. [2021-10-29 00:03:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 00:03:02,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-29 00:03:02,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:02,122 INFO L225 Difference]: With dead ends: 284 [2021-10-29 00:03:02,122 INFO L226 Difference]: Without dead ends: 131 [2021-10-29 00:03:02,128 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 00:03:02,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-29 00:03:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-29 00:03:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 97 states have (on average 1.597938144329897) internal successors, (155), 130 states have internal predecessors, (155), 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) [2021-10-29 00:03:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 155 transitions. [2021-10-29 00:03:02,199 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 155 transitions. Word has length 7 [2021-10-29 00:03:02,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:02,200 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 155 transitions. [2021-10-29 00:03:02,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2021-10-29 00:03:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 00:03:02,202 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:02,202 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:02,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 00:03:02,203 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:02,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:02,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1806850254, now seen corresponding path program 1 times [2021-10-29 00:03:02,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:02,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652742908] [2021-10-29 00:03:02,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:02,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:02,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:02,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652742908] [2021-10-29 00:03:02,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652742908] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:02,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:02,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:03:02,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137668085] [2021-10-29 00:03:02,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:03:02,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:02,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:03:02,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:02,285 INFO L87 Difference]: Start difference. First operand 131 states and 155 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:02,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:02,438 INFO L93 Difference]: Finished difference Result 259 states and 304 transitions. [2021-10-29 00:03:02,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:03:02,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-29 00:03:02,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:02,448 INFO L225 Difference]: With dead ends: 259 [2021-10-29 00:03:02,448 INFO L226 Difference]: Without dead ends: 145 [2021-10-29 00:03:02,450 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:02,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-29 00:03:02,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-10-29 00:03:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 142 states have internal predecessors, (168), 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) [2021-10-29 00:03:02,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2021-10-29 00:03:02,472 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 7 [2021-10-29 00:03:02,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:02,472 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2021-10-29 00:03:02,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2021-10-29 00:03:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 00:03:02,474 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:02,474 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:02,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 00:03:02,475 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:02,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:02,476 INFO L85 PathProgramCache]: Analyzing trace with hash -866677448, now seen corresponding path program 1 times [2021-10-29 00:03:02,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:02,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385414778] [2021-10-29 00:03:02,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:02,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:02,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:02,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385414778] [2021-10-29 00:03:02,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385414778] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:02,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:02,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:02,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504761186] [2021-10-29 00:03:02,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:03:02,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:02,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:03:02,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:02,552 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-10-29 00:03:02,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:02,728 INFO L93 Difference]: Finished difference Result 220 states and 255 transitions. [2021-10-29 00:03:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:03:02,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-29 00:03:02,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:02,770 INFO L225 Difference]: With dead ends: 220 [2021-10-29 00:03:02,771 INFO L226 Difference]: Without dead ends: 213 [2021-10-29 00:03:02,771 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:02,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-10-29 00:03:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2021-10-29 00:03:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 115 states have (on average 1.4782608695652173) internal successors, (170), 143 states have internal predecessors, (170), 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) [2021-10-29 00:03:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2021-10-29 00:03:02,820 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 10 [2021-10-29 00:03:02,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:02,821 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2021-10-29 00:03:02,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-10-29 00:03:02,822 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2021-10-29 00:03:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 00:03:02,823 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:02,823 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:02,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 00:03:02,824 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:02,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:02,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1097196978, now seen corresponding path program 1 times [2021-10-29 00:03:02,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:02,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909581062] [2021-10-29 00:03:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:02,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:02,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:02,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909581062] [2021-10-29 00:03:02,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909581062] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:02,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:02,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:03:02,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964030102] [2021-10-29 00:03:02,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:03:02,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:02,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:03:02,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:02,926 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:03,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:03,082 INFO L93 Difference]: Finished difference Result 212 states and 244 transitions. [2021-10-29 00:03:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:03:03,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-29 00:03:03,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:03,091 INFO L225 Difference]: With dead ends: 212 [2021-10-29 00:03:03,091 INFO L226 Difference]: Without dead ends: 207 [2021-10-29 00:03:03,092 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:03,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-10-29 00:03:03,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 136. [2021-10-29 00:03:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 111 states have (on average 1.4594594594594594) internal successors, (162), 135 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2021-10-29 00:03:03,116 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 11 [2021-10-29 00:03:03,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:03,116 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2021-10-29 00:03:03,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2021-10-29 00:03:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 00:03:03,118 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:03,119 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:03,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 00:03:03,119 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:03,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:03,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1234080256, now seen corresponding path program 1 times [2021-10-29 00:03:03,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:03,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339419340] [2021-10-29 00:03:03,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:03,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:03,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:03,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339419340] [2021-10-29 00:03:03,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339419340] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:03,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:03,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:03,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036717282] [2021-10-29 00:03:03,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:03:03,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:03,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:03:03,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:03,260 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:03,377 INFO L93 Difference]: Finished difference Result 208 states and 241 transitions. [2021-10-29 00:03:03,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:03:03,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-29 00:03:03,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:03,380 INFO L225 Difference]: With dead ends: 208 [2021-10-29 00:03:03,380 INFO L226 Difference]: Without dead ends: 206 [2021-10-29 00:03:03,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:03,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-29 00:03:03,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 138. [2021-10-29 00:03:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 137 states have internal predecessors, (164), 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) [2021-10-29 00:03:03,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 164 transitions. [2021-10-29 00:03:03,411 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 164 transitions. Word has length 12 [2021-10-29 00:03:03,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:03,412 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 164 transitions. [2021-10-29 00:03:03,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2021-10-29 00:03:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 00:03:03,416 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:03,417 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:03,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 00:03:03,417 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:03,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:03,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1595344206, now seen corresponding path program 1 times [2021-10-29 00:03:03,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:03,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726723618] [2021-10-29 00:03:03,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:03,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:03,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:03,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726723618] [2021-10-29 00:03:03,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726723618] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:03,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:03,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:03,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900511292] [2021-10-29 00:03:03,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:03:03,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:03,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:03:03,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:03,481 INFO L87 Difference]: Start difference. First operand 138 states and 164 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:03,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:03,582 INFO L93 Difference]: Finished difference Result 329 states and 382 transitions. [2021-10-29 00:03:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:03:03,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-29 00:03:03,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:03,592 INFO L225 Difference]: With dead ends: 329 [2021-10-29 00:03:03,592 INFO L226 Difference]: Without dead ends: 219 [2021-10-29 00:03:03,596 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:03,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-10-29 00:03:03,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 143. [2021-10-29 00:03:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 119 states have (on average 1.4285714285714286) internal successors, (170), 142 states have internal predecessors, (170), 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) [2021-10-29 00:03:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 170 transitions. [2021-10-29 00:03:03,612 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 170 transitions. Word has length 12 [2021-10-29 00:03:03,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:03,612 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 170 transitions. [2021-10-29 00:03:03,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2021-10-29 00:03:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 00:03:03,617 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:03,617 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:03,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 00:03:03,618 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:03,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:03,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2056836231, now seen corresponding path program 1 times [2021-10-29 00:03:03,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:03,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447332646] [2021-10-29 00:03:03,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:03,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:03,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:03,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447332646] [2021-10-29 00:03:03,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447332646] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:03,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:03,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:03,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070221736] [2021-10-29 00:03:03,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:03:03,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:03,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:03:03,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:03,687 INFO L87 Difference]: Start difference. First operand 143 states and 170 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-10-29 00:03:03,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:03,773 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2021-10-29 00:03:03,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:03:03,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-29 00:03:03,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:03,775 INFO L225 Difference]: With dead ends: 217 [2021-10-29 00:03:03,776 INFO L226 Difference]: Without dead ends: 215 [2021-10-29 00:03:03,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:03,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-10-29 00:03:03,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 146. [2021-10-29 00:03:03,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 123 states have (on average 1.4146341463414633) internal successors, (174), 145 states have internal predecessors, (174), 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) [2021-10-29 00:03:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 174 transitions. [2021-10-29 00:03:03,787 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 174 transitions. Word has length 13 [2021-10-29 00:03:03,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:03,787 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 174 transitions. [2021-10-29 00:03:03,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-10-29 00:03:03,788 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 174 transitions. [2021-10-29 00:03:03,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 00:03:03,789 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:03,789 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:03,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-29 00:03:03,789 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:03,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:03,790 INFO L85 PathProgramCache]: Analyzing trace with hash 465285246, now seen corresponding path program 1 times [2021-10-29 00:03:03,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:03,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12381893] [2021-10-29 00:03:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:03,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:03,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:03,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12381893] [2021-10-29 00:03:03,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12381893] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:03:03,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390882929] [2021-10-29 00:03:03,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:03,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:03:03,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:03:03,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 00:03:03,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-29 00:03:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:03,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 00:03:03,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:03:04,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:04,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390882929] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:04,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-29 00:03:04,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-29 00:03:04,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242969375] [2021-10-29 00:03:04,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:03:04,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:04,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:03:04,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-29 00:03:04,040 INFO L87 Difference]: Start difference. First operand 146 states and 174 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-10-29 00:03:04,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:04,178 INFO L93 Difference]: Finished difference Result 281 states and 324 transitions. [2021-10-29 00:03:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:03:04,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-29 00:03:04,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:04,182 INFO L225 Difference]: With dead ends: 281 [2021-10-29 00:03:04,183 INFO L226 Difference]: Without dead ends: 278 [2021-10-29 00:03:04,183 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-29 00:03:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-10-29 00:03:04,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 133. [2021-10-29 00:03:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 113 states have (on average 1.407079646017699) internal successors, (159), 132 states have internal predecessors, (159), 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) [2021-10-29 00:03:04,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2021-10-29 00:03:04,194 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 13 [2021-10-29 00:03:04,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:04,194 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2021-10-29 00:03:04,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-10-29 00:03:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2021-10-29 00:03:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 00:03:04,195 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:04,195 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:04,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-29 00:03:04,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:03:04,410 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:04,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:04,411 INFO L85 PathProgramCache]: Analyzing trace with hash -793504392, now seen corresponding path program 1 times [2021-10-29 00:03:04,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:04,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530322812] [2021-10-29 00:03:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:04,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:04,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:04,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:04,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530322812] [2021-10-29 00:03:04,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530322812] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:04,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:04,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 00:03:04,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406976977] [2021-10-29 00:03:04,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 00:03:04,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:04,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 00:03:04,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-29 00:03:04,539 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2021-10-29 00:03:04,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:04,750 INFO L93 Difference]: Finished difference Result 293 states and 344 transitions. [2021-10-29 00:03:04,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-29 00:03:04,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-29 00:03:04,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:04,752 INFO L225 Difference]: With dead ends: 293 [2021-10-29 00:03:04,753 INFO L226 Difference]: Without dead ends: 219 [2021-10-29 00:03:04,754 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-10-29 00:03:04,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-10-29 00:03:04,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 177. [2021-10-29 00:03:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 157 states have (on average 1.375796178343949) internal successors, (216), 176 states have internal predecessors, (216), 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) [2021-10-29 00:03:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 216 transitions. [2021-10-29 00:03:04,769 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 216 transitions. Word has length 15 [2021-10-29 00:03:04,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:04,769 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 216 transitions. [2021-10-29 00:03:04,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2021-10-29 00:03:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 216 transitions. [2021-10-29 00:03:04,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 00:03:04,770 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:04,770 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:04,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-29 00:03:04,770 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:04,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:04,771 INFO L85 PathProgramCache]: Analyzing trace with hash -47207071, now seen corresponding path program 1 times [2021-10-29 00:03:04,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:04,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166691620] [2021-10-29 00:03:04,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:04,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:04,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:04,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166691620] [2021-10-29 00:03:04,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166691620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:04,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:04,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:04,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652038974] [2021-10-29 00:03:04,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:03:04,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:04,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:03:04,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:04,851 INFO L87 Difference]: Start difference. First operand 177 states and 216 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-10-29 00:03:04,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:04,928 INFO L93 Difference]: Finished difference Result 284 states and 338 transitions. [2021-10-29 00:03:04,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:03:04,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-29 00:03:04,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:04,931 INFO L225 Difference]: With dead ends: 284 [2021-10-29 00:03:04,931 INFO L226 Difference]: Without dead ends: 282 [2021-10-29 00:03:04,931 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:04,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-29 00:03:04,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 182. [2021-10-29 00:03:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 163 states have (on average 1.3496932515337423) internal successors, (220), 181 states have internal predecessors, (220), 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) [2021-10-29 00:03:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 220 transitions. [2021-10-29 00:03:04,948 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 220 transitions. Word has length 15 [2021-10-29 00:03:04,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:04,948 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 220 transitions. [2021-10-29 00:03:04,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-10-29 00:03:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 220 transitions. [2021-10-29 00:03:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 00:03:04,949 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:04,949 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:04,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-29 00:03:04,950 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:04,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:04,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1418335763, now seen corresponding path program 1 times [2021-10-29 00:03:04,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:04,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201941528] [2021-10-29 00:03:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:04,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:05,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:05,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201941528] [2021-10-29 00:03:05,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201941528] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:05,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:05,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:05,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487238287] [2021-10-29 00:03:05,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:03:05,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:05,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:03:05,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:05,013 INFO L87 Difference]: Start difference. First operand 182 states and 220 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-10-29 00:03:05,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:05,099 INFO L93 Difference]: Finished difference Result 373 states and 439 transitions. [2021-10-29 00:03:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:03:05,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-29 00:03:05,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:05,102 INFO L225 Difference]: With dead ends: 373 [2021-10-29 00:03:05,102 INFO L226 Difference]: Without dead ends: 370 [2021-10-29 00:03:05,103 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:05,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-29 00:03:05,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 167. [2021-10-29 00:03:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 151 states have (on average 1.3509933774834437) internal successors, (204), 166 states have internal predecessors, (204), 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) [2021-10-29 00:03:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 204 transitions. [2021-10-29 00:03:05,119 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 204 transitions. Word has length 15 [2021-10-29 00:03:05,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:05,119 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 204 transitions. [2021-10-29 00:03:05,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-10-29 00:03:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 204 transitions. [2021-10-29 00:03:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 00:03:05,120 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:05,120 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:05,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-29 00:03:05,120 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:05,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:05,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1101296279, now seen corresponding path program 1 times [2021-10-29 00:03:05,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:05,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063105051] [2021-10-29 00:03:05,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:05,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:05,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:05,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063105051] [2021-10-29 00:03:05,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063105051] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:05,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:05,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:03:05,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325594416] [2021-10-29 00:03:05,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 00:03:05,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:05,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 00:03:05,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-29 00:03:05,290 INFO L87 Difference]: Start difference. First operand 167 states and 204 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:05,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:05,492 INFO L93 Difference]: Finished difference Result 286 states and 340 transitions. [2021-10-29 00:03:05,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 00:03:05,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-29 00:03:05,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:05,497 INFO L225 Difference]: With dead ends: 286 [2021-10-29 00:03:05,497 INFO L226 Difference]: Without dead ends: 285 [2021-10-29 00:03:05,497 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-29 00:03:05,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-10-29 00:03:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 183. [2021-10-29 00:03:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 167 states have (on average 1.3353293413173652) internal successors, (223), 182 states have internal predecessors, (223), 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) [2021-10-29 00:03:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2021-10-29 00:03:05,520 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 223 transitions. Word has length 21 [2021-10-29 00:03:05,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:05,521 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 223 transitions. [2021-10-29 00:03:05,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 223 transitions. [2021-10-29 00:03:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 00:03:05,522 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:05,522 INFO L513 BasicCegarLoop]: 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] [2021-10-29 00:03:05,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-29 00:03:05,524 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:05,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:05,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1783760243, now seen corresponding path program 1 times [2021-10-29 00:03:05,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:05,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068085110] [2021-10-29 00:03:05,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:05,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:05,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:05,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068085110] [2021-10-29 00:03:05,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068085110] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:05,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:05,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 00:03:05,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980322323] [2021-10-29 00:03:05,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 00:03:05,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:05,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 00:03:05,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-29 00:03:05,769 INFO L87 Difference]: Start difference. First operand 183 states and 223 transitions. Second operand has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:06,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:06,235 INFO L93 Difference]: Finished difference Result 338 states and 391 transitions. [2021-10-29 00:03:06,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 00:03:06,236 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 00:03:06,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:06,238 INFO L225 Difference]: With dead ends: 338 [2021-10-29 00:03:06,238 INFO L226 Difference]: Without dead ends: 335 [2021-10-29 00:03:06,238 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-29 00:03:06,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-10-29 00:03:06,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 209. [2021-10-29 00:03:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 193 states have (on average 1.3212435233160622) internal successors, (255), 208 states have internal predecessors, (255), 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) [2021-10-29 00:03:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 255 transitions. [2021-10-29 00:03:06,262 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 255 transitions. Word has length 23 [2021-10-29 00:03:06,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:06,262 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 255 transitions. [2021-10-29 00:03:06,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:06,263 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 255 transitions. [2021-10-29 00:03:06,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 00:03:06,264 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:06,264 INFO L513 BasicCegarLoop]: 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] [2021-10-29 00:03:06,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-29 00:03:06,265 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:06,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:06,265 INFO L85 PathProgramCache]: Analyzing trace with hash 685438419, now seen corresponding path program 1 times [2021-10-29 00:03:06,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:06,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857974626] [2021-10-29 00:03:06,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:06,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:06,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:06,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857974626] [2021-10-29 00:03:06,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857974626] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:06,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:06,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 00:03:06,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248667604] [2021-10-29 00:03:06,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 00:03:06,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:06,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 00:03:06,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-29 00:03:06,417 INFO L87 Difference]: Start difference. First operand 209 states and 255 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:06,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:06,513 INFO L93 Difference]: Finished difference Result 249 states and 289 transitions. [2021-10-29 00:03:06,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 00:03:06,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 00:03:06,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:06,515 INFO L225 Difference]: With dead ends: 249 [2021-10-29 00:03:06,515 INFO L226 Difference]: Without dead ends: 181 [2021-10-29 00:03:06,516 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-29 00:03:06,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-10-29 00:03:06,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 148. [2021-10-29 00:03:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 132 states have (on average 1.356060606060606) internal successors, (179), 147 states have internal predecessors, (179), 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) [2021-10-29 00:03:06,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 179 transitions. [2021-10-29 00:03:06,534 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 179 transitions. Word has length 23 [2021-10-29 00:03:06,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:06,534 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 179 transitions. [2021-10-29 00:03:06,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:06,535 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 179 transitions. [2021-10-29 00:03:06,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 00:03:06,536 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:06,536 INFO L513 BasicCegarLoop]: 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] [2021-10-29 00:03:06,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-29 00:03:06,536 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:06,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:06,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1210324973, now seen corresponding path program 1 times [2021-10-29 00:03:06,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:06,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763530353] [2021-10-29 00:03:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:06,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:06,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:06,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763530353] [2021-10-29 00:03:06,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763530353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:06,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:06,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 00:03:06,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971752950] [2021-10-29 00:03:06,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 00:03:06,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:06,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 00:03:06,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-29 00:03:06,595 INFO L87 Difference]: Start difference. First operand 148 states and 179 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:06,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:06,734 INFO L93 Difference]: Finished difference Result 208 states and 241 transitions. [2021-10-29 00:03:06,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 00:03:06,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 00:03:06,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:06,739 INFO L225 Difference]: With dead ends: 208 [2021-10-29 00:03:06,739 INFO L226 Difference]: Without dead ends: 180 [2021-10-29 00:03:06,742 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-10-29 00:03:06,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-10-29 00:03:06,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 154. [2021-10-29 00:03:06,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 138 states have (on average 1.3405797101449275) internal successors, (185), 153 states have internal predecessors, (185), 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) [2021-10-29 00:03:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 185 transitions. [2021-10-29 00:03:06,763 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 185 transitions. Word has length 23 [2021-10-29 00:03:06,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:06,763 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 185 transitions. [2021-10-29 00:03:06,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:06,764 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2021-10-29 00:03:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 00:03:06,766 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:06,766 INFO L513 BasicCegarLoop]: 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] [2021-10-29 00:03:06,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-29 00:03:06,767 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:06,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:06,768 INFO L85 PathProgramCache]: Analyzing trace with hash -322402664, now seen corresponding path program 1 times [2021-10-29 00:03:06,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:06,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777378820] [2021-10-29 00:03:06,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:06,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:06,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:06,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777378820] [2021-10-29 00:03:06,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777378820] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:06,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:06,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 00:03:06,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984748647] [2021-10-29 00:03:06,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 00:03:06,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:06,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 00:03:06,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-29 00:03:06,939 INFO L87 Difference]: Start difference. First operand 154 states and 185 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:07,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:07,185 INFO L93 Difference]: Finished difference Result 261 states and 296 transitions. [2021-10-29 00:03:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 00:03:07,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 00:03:07,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:07,188 INFO L225 Difference]: With dead ends: 261 [2021-10-29 00:03:07,188 INFO L226 Difference]: Without dead ends: 229 [2021-10-29 00:03:07,189 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-10-29 00:03:07,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-10-29 00:03:07,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 157. [2021-10-29 00:03:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 141 states have (on average 1.3333333333333333) internal successors, (188), 156 states have internal predecessors, (188), 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) [2021-10-29 00:03:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 188 transitions. [2021-10-29 00:03:07,208 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 188 transitions. Word has length 23 [2021-10-29 00:03:07,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:07,213 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 188 transitions. [2021-10-29 00:03:07,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 188 transitions. [2021-10-29 00:03:07,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 00:03:07,216 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:07,217 INFO L513 BasicCegarLoop]: 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] [2021-10-29 00:03:07,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-29 00:03:07,218 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:07,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:07,218 INFO L85 PathProgramCache]: Analyzing trace with hash -322343082, now seen corresponding path program 1 times [2021-10-29 00:03:07,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:07,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975696774] [2021-10-29 00:03:07,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:07,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:07,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:07,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:07,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975696774] [2021-10-29 00:03:07,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975696774] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:07,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:07,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 00:03:07,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710780878] [2021-10-29 00:03:07,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 00:03:07,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:07,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 00:03:07,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-29 00:03:07,357 INFO L87 Difference]: Start difference. First operand 157 states and 188 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:07,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:07,647 INFO L93 Difference]: Finished difference Result 425 states and 485 transitions. [2021-10-29 00:03:07,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 00:03:07,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 00:03:07,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:07,651 INFO L225 Difference]: With dead ends: 425 [2021-10-29 00:03:07,652 INFO L226 Difference]: Without dead ends: 424 [2021-10-29 00:03:07,652 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-10-29 00:03:07,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-10-29 00:03:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 183. [2021-10-29 00:03:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 167 states have (on average 1.3293413173652695) internal successors, (222), 182 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 222 transitions. [2021-10-29 00:03:07,675 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 222 transitions. Word has length 23 [2021-10-29 00:03:07,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:07,675 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 222 transitions. [2021-10-29 00:03:07,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:07,676 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 222 transitions. [2021-10-29 00:03:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 00:03:07,677 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:07,677 INFO L513 BasicCegarLoop]: 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, 1, 1] [2021-10-29 00:03:07,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-29 00:03:07,677 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:07,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:07,678 INFO L85 PathProgramCache]: Analyzing trace with hash -756568499, now seen corresponding path program 1 times [2021-10-29 00:03:07,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:07,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827256957] [2021-10-29 00:03:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:07,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:07,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:07,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827256957] [2021-10-29 00:03:07,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827256957] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:07,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:07,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 00:03:07,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690596610] [2021-10-29 00:03:07,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 00:03:07,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:07,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 00:03:07,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-29 00:03:07,779 INFO L87 Difference]: Start difference. First operand 183 states and 222 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 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) [2021-10-29 00:03:08,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:08,068 INFO L93 Difference]: Finished difference Result 465 states and 521 transitions. [2021-10-29 00:03:08,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 00:03:08,069 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-29 00:03:08,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:08,071 INFO L225 Difference]: With dead ends: 465 [2021-10-29 00:03:08,072 INFO L226 Difference]: Without dead ends: 464 [2021-10-29 00:03:08,072 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-29 00:03:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2021-10-29 00:03:08,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 239. [2021-10-29 00:03:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 223 states have (on average 1.3318385650224216) internal successors, (297), 238 states have internal predecessors, (297), 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) [2021-10-29 00:03:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 297 transitions. [2021-10-29 00:03:08,100 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 297 transitions. Word has length 25 [2021-10-29 00:03:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:08,101 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 297 transitions. [2021-10-29 00:03:08,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 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) [2021-10-29 00:03:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 297 transitions. [2021-10-29 00:03:08,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 00:03:08,102 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:08,102 INFO L513 BasicCegarLoop]: 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, 1, 1] [2021-10-29 00:03:08,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-29 00:03:08,103 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:08,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:08,103 INFO L85 PathProgramCache]: Analyzing trace with hash -591306022, now seen corresponding path program 1 times [2021-10-29 00:03:08,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:08,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369512574] [2021-10-29 00:03:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:08,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:08,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:08,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369512574] [2021-10-29 00:03:08,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369512574] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:08,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:08,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 00:03:08,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077022051] [2021-10-29 00:03:08,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 00:03:08,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:08,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 00:03:08,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-29 00:03:08,269 INFO L87 Difference]: Start difference. First operand 239 states and 297 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-10-29 00:03:08,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:08,722 INFO L93 Difference]: Finished difference Result 498 states and 555 transitions. [2021-10-29 00:03:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-29 00:03:08,723 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-29 00:03:08,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:08,725 INFO L225 Difference]: With dead ends: 498 [2021-10-29 00:03:08,726 INFO L226 Difference]: Without dead ends: 431 [2021-10-29 00:03:08,726 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-10-29 00:03:08,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2021-10-29 00:03:08,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 236. [2021-10-29 00:03:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 220 states have (on average 1.3181818181818181) internal successors, (290), 235 states have internal predecessors, (290), 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) [2021-10-29 00:03:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 290 transitions. [2021-10-29 00:03:08,766 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 290 transitions. Word has length 25 [2021-10-29 00:03:08,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:08,766 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 290 transitions. [2021-10-29 00:03:08,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-10-29 00:03:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 290 transitions. [2021-10-29 00:03:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 00:03:08,767 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:08,767 INFO L513 BasicCegarLoop]: 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, 1, 1] [2021-10-29 00:03:08,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-29 00:03:08,768 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:08,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1716642380, now seen corresponding path program 1 times [2021-10-29 00:03:08,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:08,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165064556] [2021-10-29 00:03:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:08,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:08,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:08,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165064556] [2021-10-29 00:03:08,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165064556] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:08,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:08,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 00:03:08,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173058300] [2021-10-29 00:03:08,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 00:03:08,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:08,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 00:03:08,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 00:03:08,966 INFO L87 Difference]: Start difference. First operand 236 states and 290 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-10-29 00:03:09,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:09,398 INFO L93 Difference]: Finished difference Result 320 states and 381 transitions. [2021-10-29 00:03:09,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 00:03:09,399 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-29 00:03:09,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:09,401 INFO L225 Difference]: With dead ends: 320 [2021-10-29 00:03:09,401 INFO L226 Difference]: Without dead ends: 319 [2021-10-29 00:03:09,402 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-29 00:03:09,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-29 00:03:09,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 236. [2021-10-29 00:03:09,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 220 states have (on average 1.3136363636363637) internal successors, (289), 235 states have internal predecessors, (289), 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) [2021-10-29 00:03:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2021-10-29 00:03:09,430 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 25 [2021-10-29 00:03:09,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:09,430 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2021-10-29 00:03:09,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-10-29 00:03:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2021-10-29 00:03:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 00:03:09,431 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:09,432 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1] [2021-10-29 00:03:09,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-29 00:03:09,432 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:09,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:09,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1212842863, now seen corresponding path program 1 times [2021-10-29 00:03:09,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:09,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644911183] [2021-10-29 00:03:09,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:09,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:09,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:09,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644911183] [2021-10-29 00:03:09,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644911183] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:09,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:09,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 00:03:09,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918322662] [2021-10-29 00:03:09,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 00:03:09,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:09,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 00:03:09,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-29 00:03:09,527 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2021-10-29 00:03:09,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:09,645 INFO L93 Difference]: Finished difference Result 264 states and 317 transitions. [2021-10-29 00:03:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 00:03:09,645 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-29 00:03:09,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:09,647 INFO L225 Difference]: With dead ends: 264 [2021-10-29 00:03:09,647 INFO L226 Difference]: Without dead ends: 218 [2021-10-29 00:03:09,647 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-29 00:03:09,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-29 00:03:09,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2021-10-29 00:03:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 200 states have (on average 1.325) internal successors, (265), 215 states have internal predecessors, (265), 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) [2021-10-29 00:03:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 265 transitions. [2021-10-29 00:03:09,670 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 265 transitions. Word has length 27 [2021-10-29 00:03:09,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:09,671 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 265 transitions. [2021-10-29 00:03:09,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2021-10-29 00:03:09,671 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 265 transitions. [2021-10-29 00:03:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 00:03:09,672 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:09,672 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1] [2021-10-29 00:03:09,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-29 00:03:09,673 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-10-29 00:03:09,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:09,673 INFO L85 PathProgramCache]: Analyzing trace with hash 350457026, now seen corresponding path program 1 times [2021-10-29 00:03:09,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:09,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987907611] [2021-10-29 00:03:09,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:09,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:09,710 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:03:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:09,769 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:03:09,769 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 00:03:09,770 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,775 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,775 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,775 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,777 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,779 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,779 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,779 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,779 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,779 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,780 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,780 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,780 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,780 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,780 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,781 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,781 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,781 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,781 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,781 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,782 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,782 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 00:03:09,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-29 00:03:09,786 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:09,791 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 00:03:09,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:03:09 BoogieIcfgContainer [2021-10-29 00:03:09,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 00:03:09,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:03:09,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:03:09,874 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:03:09,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:01" (3/4) ... [2021-10-29 00:03:09,877 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 00:03:09,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:03:09,879 INFO L168 Benchmark]: Toolchain (without parser) took 9574.45 ms. Allocated memory was 109.1 MB in the beginning and 180.4 MB in the end (delta: 71.3 MB). Free memory was 76.3 MB in the beginning and 152.2 MB in the end (delta: -75.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:03:09,879 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 109.1 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:03:09,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.62 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 76.3 MB in the beginning and 121.1 MB in the end (delta: -44.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:09,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.00 ms. Allocated memory is still 148.9 MB. Free memory was 120.5 MB in the beginning and 118.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:09,881 INFO L168 Benchmark]: Boogie Preprocessor took 57.47 ms. Allocated memory is still 148.9 MB. Free memory was 118.4 MB in the beginning and 116.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:09,881 INFO L168 Benchmark]: RCFGBuilder took 934.03 ms. Allocated memory is still 148.9 MB. Free memory was 116.3 MB in the beginning and 96.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:09,881 INFO L168 Benchmark]: TraceAbstraction took 8138.04 ms. Allocated memory was 148.9 MB in the beginning and 180.4 MB in the end (delta: 31.5 MB). Free memory was 95.9 MB in the beginning and 152.2 MB in the end (delta: -56.2 MB). Peak memory consumption was 81.0 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:09,882 INFO L168 Benchmark]: Witness Printer took 3.56 ms. Allocated memory is still 180.4 MB. Free memory is still 152.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:03:09,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 109.1 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 365.62 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 76.3 MB in the beginning and 121.1 MB in the end (delta: -44.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.00 ms. Allocated memory is still 148.9 MB. Free memory was 120.5 MB in the beginning and 118.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.47 ms. Allocated memory is still 148.9 MB. Free memory was 118.4 MB in the beginning and 116.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 934.03 ms. Allocated memory is still 148.9 MB. Free memory was 116.3 MB in the beginning and 96.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8138.04 ms. Allocated memory was 148.9 MB in the beginning and 180.4 MB in the end (delta: 31.5 MB). Free memory was 95.9 MB in the beginning and 152.2 MB in the end (delta: -56.2 MB). Peak memory consumption was 81.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.56 ms. Allocated memory is still 180.4 MB. Free memory is still 152.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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 - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 102, overapproximation of bitwiseAnd at line 103. Possible FailurePath: [L218] unsigned int a ; [L219] unsigned int ma = __VERIFIER_nondet_uint(); [L220] signed char ea = __VERIFIER_nondet_char(); [L221] unsigned int b ; [L222] unsigned int mb = __VERIFIER_nondet_uint(); [L223] signed char eb = __VERIFIER_nondet_char(); [L224] unsigned int r_add1 ; [L225] unsigned int r_add2 ; [L226] unsigned int zero ; [L227] int tmp ; [L228] int tmp___0 ; [L229] int __retres14 ; [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND TRUE ! m [L22] __retres4 = 0U [L72] return (__retres4); [L233] zero = base2flt(0, 0) [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND FALSE !(! m) [L27] COND FALSE !(m < 1U << 24U) [L49] COND TRUE 1 [L51] COND TRUE m >= 1U << 25U [L56] COND TRUE e >= 127 [L57] __retres4 = 4294967295U [L72] return (__retres4); [L234] a = base2flt(ma, ea) [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND FALSE !(! m) [L27] COND FALSE !(m < 1U << 24U) [L49] COND TRUE 1 [L51] COND FALSE !(m >= 1U << 25U) [L68] m = m & ~ (1U << 24U) [L69] EXPR e + 128 [L69] res = m | ((unsigned int )(e + 128) << 24U) [L70] __retres4 = res [L72] return (__retres4); [L235] b = base2flt(mb, eb) [L76] unsigned int res ; [L77] unsigned int ma ; [L78] unsigned int mb ; [L79] unsigned int delta ; [L80] int ea ; [L81] int eb ; [L82] unsigned int tmp ; [L83] unsigned int __retres10 ; [L86] COND FALSE !(a < b) [L93] COND FALSE !(! b) [L100] ma = a & ((1U << 24U) - 1U) [L101] EXPR (int )(a >> 24U) - 128 [L101] ea = (int )(a >> 24U) - 128 [L102] ma = ma | (1U << 24U) [L103] mb = b & ((1U << 24U) - 1U) [L104] (int )(b >> 24U) - 128 - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 153 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 22, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3487 SDtfs, 4697 SDslu, 8461 SDs, 0 SdLazy, 1940 SolverSat, 255 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=239occurred in iteration=18, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 21 MinimizatonAttempts, 1950 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 359 ConstructedInterpolants, 0 QuantifiedInterpolants, 1469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 22 InterpolantComputations, 21 PerfectInterpolantSequences, 2/4 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 00:03:09,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b89e7a-9bde-4bb3-b0e5-47cfa3bd02dd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...