./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e4e4ddc8e215ef1d6c828f8558b94004913e5a166e06ab0989f3c3e5f35bc2fd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:56:41,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:56:41,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:56:41,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:56:41,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:56:41,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:56:41,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:56:41,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:56:41,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:56:41,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:56:41,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:56:41,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:56:41,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:56:41,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:56:41,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:56:41,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:56:41,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:56:41,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:56:41,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:56:41,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:56:41,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:56:41,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:56:41,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:56:41,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:56:41,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:56:41,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:56:41,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:56:41,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:56:41,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:56:41,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:56:41,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:56:41,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:56:41,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:56:41,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:56:41,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:56:41,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:56:41,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:56:41,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:56:41,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:56:41,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:56:41,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:56:41,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:56:41,946 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:56:41,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:56:41,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:56:41,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:56:41,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:56:41,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:56:41,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:56:41,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:56:41,949 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:56:41,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:56:41,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:56:41,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:56:41,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:56:41,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:56:41,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:56:41,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:56:41,951 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:56:41,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:56:41,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:56:41,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:56:41,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:56:41,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:56:41,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:56:41,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:56:41,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:56:41,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:56:41,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:56:41,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:56:41,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:56:41,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:56:41,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:56:41,954 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:56:41,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:56:41,954 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:56:41,954 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4e4ddc8e215ef1d6c828f8558b94004913e5a166e06ab0989f3c3e5f35bc2fd [2022-12-13 18:56:42,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:56:42,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:56:42,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:56:42,159 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:56:42,159 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:56:42,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_good.i [2022-12-13 18:56:44,772 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:56:45,024 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:56:45,024 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_good.i [2022-12-13 18:56:45,043 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/data/ed8d9cad6/f66d9ef2f6a4449e95d80ffba522633f/FLAGb6eff95e0 [2022-12-13 18:56:45,055 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/data/ed8d9cad6/f66d9ef2f6a4449e95d80ffba522633f [2022-12-13 18:56:45,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:56:45,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:56:45,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:56:45,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:56:45,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:56:45,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47bc9304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45, skipping insertion in model container [2022-12-13 18:56:45,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:56:45,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:56:45,384 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:56:45,661 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:56:45,667 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:56:45,668 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:56:45,670 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:56:45,671 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:56:45,700 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:56:45,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:56:45,709 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:56:45,725 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:56:45,766 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:56:45,768 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:56:45,769 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:56:45,771 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:56:45,772 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:56:45,781 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:56:45,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:56:45,894 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:56:45,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45 WrapperNode [2022-12-13 18:56:45,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:56:45,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:56:45,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:56:45,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:56:45,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,934 INFO L138 Inliner]: procedures = 503, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 145 [2022-12-13 18:56:45,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:56:45,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:56:45,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:56:45,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:56:45,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,952 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:56:45,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:56:45,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:56:45,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:56:45,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (1/1) ... [2022-12-13 18:56:45,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:56:45,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:56:45,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:56:45,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:56:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 18:56:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 18:56:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:56:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:56:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:56:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:56:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:56:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:56:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:56:46,128 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:56:46,129 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:56:46,294 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:56:46,299 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:56:46,299 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:56:46,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:56:46 BoogieIcfgContainer [2022-12-13 18:56:46,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:56:46,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:56:46,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:56:46,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:56:46,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:56:45" (1/3) ... [2022-12-13 18:56:46,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a700387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:56:46, skipping insertion in model container [2022-12-13 18:56:46,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:56:45" (2/3) ... [2022-12-13 18:56:46,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a700387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:56:46, skipping insertion in model container [2022-12-13 18:56:46,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:56:46" (3/3) ... [2022-12-13 18:56:46,306 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_15_good.i [2022-12-13 18:56:46,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:56:46,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 18:56:46,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:56:46,366 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6cabd153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:56:46,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 18:56:46,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 50 states have (on average 1.54) internal successors, (77), 72 states have internal predecessors, (77), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:56:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:56:46,375 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:46,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:46,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:46,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:46,380 INFO L85 PathProgramCache]: Analyzing trace with hash -389693070, now seen corresponding path program 1 times [2022-12-13 18:56:46,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:46,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626863348] [2022-12-13 18:56:46,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:56:46,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:46,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626863348] [2022-12-13 18:56:46,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626863348] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:46,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:46,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:46,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072289471] [2022-12-13 18:56:46,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:46,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:46,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:46,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:46,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:46,631 INFO L87 Difference]: Start difference. First operand has 77 states, 50 states have (on average 1.54) internal successors, (77), 72 states have internal predecessors, (77), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:56:46,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:46,676 INFO L93 Difference]: Finished difference Result 198 states and 280 transitions. [2022-12-13 18:56:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:46,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 18:56:46,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:46,685 INFO L225 Difference]: With dead ends: 198 [2022-12-13 18:56:46,685 INFO L226 Difference]: Without dead ends: 112 [2022-12-13 18:56:46,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:46,690 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 56 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:46,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 220 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:46,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-12-13 18:56:46,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 70. [2022-12-13 18:56:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.553191489361702) internal successors, (73), 66 states have internal predecessors, (73), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 18:56:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2022-12-13 18:56:46,724 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 14 [2022-12-13 18:56:46,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:46,724 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2022-12-13 18:56:46,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:56:46,724 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2022-12-13 18:56:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 18:56:46,725 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:46,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:46,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:56:46,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:46,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:46,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1778434891, now seen corresponding path program 1 times [2022-12-13 18:56:46,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:46,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854425727] [2022-12-13 18:56:46,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:46,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:46,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:56:46,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:46,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854425727] [2022-12-13 18:56:46,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854425727] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:46,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:46,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:46,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545019586] [2022-12-13 18:56:46,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:46,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:46,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:46,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:46,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:46,775 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:56:46,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:46,790 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2022-12-13 18:56:46,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:46,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 18:56:46,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:46,792 INFO L225 Difference]: With dead ends: 120 [2022-12-13 18:56:46,792 INFO L226 Difference]: Without dead ends: 59 [2022-12-13 18:56:46,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:46,794 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 1 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:46,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 158 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:46,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-13 18:56:46,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-12-13 18:56:46,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 40 states have (on average 1.475) internal successors, (59), 55 states have internal predecessors, (59), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:56:46,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2022-12-13 18:56:46,805 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 15 [2022-12-13 18:56:46,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:46,806 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2022-12-13 18:56:46,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:56:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2022-12-13 18:56:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 18:56:46,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:46,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:46,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:56:46,808 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:46,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:46,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1566270844, now seen corresponding path program 1 times [2022-12-13 18:56:46,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:46,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2651143] [2022-12-13 18:56:46,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:46,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:56:46,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:46,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2651143] [2022-12-13 18:56:46,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2651143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:46,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:46,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:46,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826134648] [2022-12-13 18:56:46,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:46,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:46,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:46,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:46,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:46,871 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:56:46,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:46,886 INFO L93 Difference]: Finished difference Result 107 states and 146 transitions. [2022-12-13 18:56:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:46,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-12-13 18:56:46,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:46,888 INFO L225 Difference]: With dead ends: 107 [2022-12-13 18:56:46,888 INFO L226 Difference]: Without dead ends: 59 [2022-12-13 18:56:46,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:46,890 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 2 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:46,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 150 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:46,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-13 18:56:46,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-12-13 18:56:46,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 40 states have (on average 1.45) internal successors, (58), 54 states have internal predecessors, (58), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:56:46,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 80 transitions. [2022-12-13 18:56:46,899 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 80 transitions. Word has length 19 [2022-12-13 18:56:46,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:46,900 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 80 transitions. [2022-12-13 18:56:46,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:56:46,900 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2022-12-13 18:56:46,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 18:56:46,901 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:46,901 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:46,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:56:46,902 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:46,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:46,902 INFO L85 PathProgramCache]: Analyzing trace with hash -126826538, now seen corresponding path program 1 times [2022-12-13 18:56:46,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:46,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245623578] [2022-12-13 18:56:46,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:46,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:56:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:56:46,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:46,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245623578] [2022-12-13 18:56:46,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245623578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:46,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:46,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:46,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13274852] [2022-12-13 18:56:46,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:46,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:46,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:46,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:46,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:46,947 INFO L87 Difference]: Start difference. First operand 59 states and 80 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:56:46,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:46,961 INFO L93 Difference]: Finished difference Result 107 states and 145 transitions. [2022-12-13 18:56:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:46,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-12-13 18:56:46,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:46,963 INFO L225 Difference]: With dead ends: 107 [2022-12-13 18:56:46,963 INFO L226 Difference]: Without dead ends: 58 [2022-12-13 18:56:46,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:46,964 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:46,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:46,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-13 18:56:46,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-12-13 18:56:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.425) internal successors, (57), 53 states have internal predecessors, (57), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 18:56:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2022-12-13 18:56:46,977 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 23 [2022-12-13 18:56:46,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:46,977 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2022-12-13 18:56:46,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:56:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2022-12-13 18:56:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 18:56:46,978 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:46,978 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:46,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:56:46,979 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:46,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:46,979 INFO L85 PathProgramCache]: Analyzing trace with hash 745548059, now seen corresponding path program 1 times [2022-12-13 18:56:46,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:46,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198271767] [2022-12-13 18:56:46,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:46,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:56:47,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198271767] [2022-12-13 18:56:47,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198271767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:47,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814978009] [2022-12-13 18:56:47,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,032 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:56:47,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,051 INFO L93 Difference]: Finished difference Result 125 states and 166 transitions. [2022-12-13 18:56:47,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-12-13 18:56:47,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,052 INFO L225 Difference]: With dead ends: 125 [2022-12-13 18:56:47,052 INFO L226 Difference]: Without dead ends: 88 [2022-12-13 18:56:47,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,053 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 30 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-12-13 18:56:47,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 61. [2022-12-13 18:56:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 56 states have internal predecessors, (61), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 18:56:47,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2022-12-13 18:56:47,058 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 25 [2022-12-13 18:56:47,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,058 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2022-12-13 18:56:47,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:56:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2022-12-13 18:56:47,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 18:56:47,059 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,059 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:56:47,059 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1692472396, now seen corresponding path program 1 times [2022-12-13 18:56:47,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630960255] [2022-12-13 18:56:47,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:56:47,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630960255] [2022-12-13 18:56:47,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630960255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:47,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188131851] [2022-12-13 18:56:47,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,095 INFO L87 Difference]: Start difference. First operand 61 states and 81 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:56:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,103 INFO L93 Difference]: Finished difference Result 96 states and 127 transitions. [2022-12-13 18:56:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-12-13 18:56:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,104 INFO L225 Difference]: With dead ends: 96 [2022-12-13 18:56:47,104 INFO L226 Difference]: Without dead ends: 51 [2022-12-13 18:56:47,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,105 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 1 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 126 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-13 18:56:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-13 18:56:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 46 states have internal predecessors, (49), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:56:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2022-12-13 18:56:47,109 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 26 [2022-12-13 18:56:47,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,109 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2022-12-13 18:56:47,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:56:47,109 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-12-13 18:56:47,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-13 18:56:47,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,110 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:56:47,110 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,110 INFO L85 PathProgramCache]: Analyzing trace with hash -332330315, now seen corresponding path program 1 times [2022-12-13 18:56:47,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308133621] [2022-12-13 18:56:47,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:56:47,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308133621] [2022-12-13 18:56:47,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308133621] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:47,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373344462] [2022-12-13 18:56:47,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,144 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:56:47,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,152 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2022-12-13 18:56:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2022-12-13 18:56:47,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,153 INFO L225 Difference]: With dead ends: 83 [2022-12-13 18:56:47,153 INFO L226 Difference]: Without dead ends: 49 [2022-12-13 18:56:47,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,154 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 2 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-13 18:56:47,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-13 18:56:47,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 43 states have internal predecessors, (46), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 18:56:47,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2022-12-13 18:56:47,157 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 31 [2022-12-13 18:56:47,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,158 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2022-12-13 18:56:47,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:56:47,158 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-12-13 18:56:47,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 18:56:47,158 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,159 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:56:47,159 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1965523148, now seen corresponding path program 1 times [2022-12-13 18:56:47,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103428978] [2022-12-13 18:56:47,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:56:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:56:47,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103428978] [2022-12-13 18:56:47,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103428978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:56:47,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608572127] [2022-12-13 18:56:47,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,200 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:56:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,209 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-12-13 18:56:47,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2022-12-13 18:56:47,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,210 INFO L225 Difference]: With dead ends: 49 [2022-12-13 18:56:47,211 INFO L226 Difference]: Without dead ends: 48 [2022-12-13 18:56:47,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,212 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 20 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 87 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-13 18:56:47,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-12-13 18:56:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 36 states have (on average 1.25) internal successors, (45), 42 states have internal predecessors, (45), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 18:56:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-12-13 18:56:47,216 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 36 [2022-12-13 18:56:47,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,216 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-12-13 18:56:47,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:56:47,216 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-12-13 18:56:47,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 18:56:47,217 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,217 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:56:47,217 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,217 INFO L85 PathProgramCache]: Analyzing trace with hash -801675300, now seen corresponding path program 1 times [2022-12-13 18:56:47,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226789924] [2022-12-13 18:56:47,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:56:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:56:47,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226789924] [2022-12-13 18:56:47,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226789924] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:56:47,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78947894] [2022-12-13 18:56:47,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,258 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:56:47,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,273 INFO L93 Difference]: Finished difference Result 67 states and 84 transitions. [2022-12-13 18:56:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-12-13 18:56:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,274 INFO L225 Difference]: With dead ends: 67 [2022-12-13 18:56:47,274 INFO L226 Difference]: Without dead ends: 66 [2022-12-13 18:56:47,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,275 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 15 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 114 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-13 18:56:47,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 52. [2022-12-13 18:56:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.25) internal successors, (50), 46 states have internal predecessors, (50), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 18:56:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2022-12-13 18:56:47,288 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 37 [2022-12-13 18:56:47,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,288 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-12-13 18:56:47,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:56:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-12-13 18:56:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 18:56:47,289 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,289 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 18:56:47,290 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,290 INFO L85 PathProgramCache]: Analyzing trace with hash -799828258, now seen corresponding path program 1 times [2022-12-13 18:56:47,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987969731] [2022-12-13 18:56:47,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:56:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:56:47,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987969731] [2022-12-13 18:56:47,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987969731] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:47,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068397552] [2022-12-13 18:56:47,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,329 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:56:47,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,338 INFO L93 Difference]: Finished difference Result 78 states and 95 transitions. [2022-12-13 18:56:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-12-13 18:56:47,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,340 INFO L225 Difference]: With dead ends: 78 [2022-12-13 18:56:47,340 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 18:56:47,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,341 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 109 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 18:56:47,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-13 18:56:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.225) internal successors, (49), 45 states have internal predecessors, (49), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 18:56:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2022-12-13 18:56:47,347 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 37 [2022-12-13 18:56:47,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,348 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2022-12-13 18:56:47,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:56:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2022-12-13 18:56:47,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 18:56:47,349 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,349 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 18:56:47,349 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1822720215, now seen corresponding path program 1 times [2022-12-13 18:56:47,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294126606] [2022-12-13 18:56:47,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:56:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 18:56:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 18:56:47,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294126606] [2022-12-13 18:56:47,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294126606] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:47,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660399523] [2022-12-13 18:56:47,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,391 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 18:56:47,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,399 INFO L93 Difference]: Finished difference Result 73 states and 88 transitions. [2022-12-13 18:56:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2022-12-13 18:56:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,400 INFO L225 Difference]: With dead ends: 73 [2022-12-13 18:56:47,400 INFO L226 Difference]: Without dead ends: 46 [2022-12-13 18:56:47,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,401 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-13 18:56:47,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-13 18:56:47,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 40 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 18:56:47,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2022-12-13 18:56:47,407 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 41 [2022-12-13 18:56:47,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,407 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2022-12-13 18:56:47,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 18:56:47,407 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-13 18:56:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 18:56:47,408 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,408 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 18:56:47,409 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,409 INFO L85 PathProgramCache]: Analyzing trace with hash 763162534, now seen corresponding path program 1 times [2022-12-13 18:56:47,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073206823] [2022-12-13 18:56:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:56:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:56:47,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073206823] [2022-12-13 18:56:47,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073206823] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:47,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865220898] [2022-12-13 18:56:47,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,452 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:56:47,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,459 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2022-12-13 18:56:47,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-12-13 18:56:47,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,460 INFO L225 Difference]: With dead ends: 61 [2022-12-13 18:56:47,460 INFO L226 Difference]: Without dead ends: 44 [2022-12-13 18:56:47,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,461 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-13 18:56:47,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-13 18:56:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 37 states have internal predecessors, (39), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 18:56:47,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2022-12-13 18:56:47,466 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 42 [2022-12-13 18:56:47,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,466 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2022-12-13 18:56:47,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:56:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-12-13 18:56:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-13 18:56:47,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,467 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 18:56:47,468 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1582332810, now seen corresponding path program 1 times [2022-12-13 18:56:47,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783026709] [2022-12-13 18:56:47,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:56:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 18:56:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:56:47,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783026709] [2022-12-13 18:56:47,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783026709] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:56:47,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235055554] [2022-12-13 18:56:47,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,523 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:56:47,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,530 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2022-12-13 18:56:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-12-13 18:56:47,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,531 INFO L225 Difference]: With dead ends: 44 [2022-12-13 18:56:47,531 INFO L226 Difference]: Without dead ends: 43 [2022-12-13 18:56:47,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,532 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 5 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 84 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-13 18:56:47,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-13 18:56:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 36 states have internal predecessors, (38), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 18:56:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2022-12-13 18:56:47,537 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 47 [2022-12-13 18:56:47,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,537 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2022-12-13 18:56:47,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:56:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-12-13 18:56:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 18:56:47,538 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,538 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 18:56:47,538 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1807677031, now seen corresponding path program 1 times [2022-12-13 18:56:47,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324030152] [2022-12-13 18:56:47,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:56:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 18:56:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:56:47,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324030152] [2022-12-13 18:56:47,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324030152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:56:47,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12480710] [2022-12-13 18:56:47,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,596 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:56:47,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,603 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-12-13 18:56:47,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 48 [2022-12-13 18:56:47,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,604 INFO L225 Difference]: With dead ends: 48 [2022-12-13 18:56:47,604 INFO L226 Difference]: Without dead ends: 43 [2022-12-13 18:56:47,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,605 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-13 18:56:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-13 18:56:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 36 states have internal predecessors, (37), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 18:56:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2022-12-13 18:56:47,609 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 48 [2022-12-13 18:56:47,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,609 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-12-13 18:56:47,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:56:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-12-13 18:56:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-13 18:56:47,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:56:47,610 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 18:56:47,611 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:56:47,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:56:47,611 INFO L85 PathProgramCache]: Analyzing trace with hash 258733193, now seen corresponding path program 1 times [2022-12-13 18:56:47,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:56:47,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57671980] [2022-12-13 18:56:47,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:56:47,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:56:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:56:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:56:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:56:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 18:56:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:56:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:56:47,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:56:47,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57671980] [2022-12-13 18:56:47,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57671980] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:56:47,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:56:47,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:56:47,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759787209] [2022-12-13 18:56:47,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:56:47,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:56:47,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:56:47,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:56:47,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,656 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:56:47,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:56:47,658 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-12-13 18:56:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:56:47,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2022-12-13 18:56:47,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:56:47,659 INFO L225 Difference]: With dead ends: 47 [2022-12-13 18:56:47,659 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:56:47,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:56:47,660 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:56:47,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:56:47,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:56:47,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:56:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:56:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:56:47,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2022-12-13 18:56:47,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:56:47,661 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:56:47,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:56:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:56:47,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:56:47,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 18:56:47,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 18:56:47,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 18:56:47,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 18:56:47,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 18:56:47,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 18:56:47,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 18:56:47,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 18:56:47,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 18:56:47,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:56:47,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 18:56:47,730 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:56:47,730 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 18:56:47,730 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:56:47,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 18:56:47,731 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:56:47,731 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:56:47,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2022-12-13 18:56:47,731 INFO L899 garLoopResultBuilder]: For program point L1662(lines 1662 1668) no Hoare annotation was computed. [2022-12-13 18:56:47,731 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-12-13 18:56:47,731 INFO L902 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: true [2022-12-13 18:56:47,731 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-13 18:56:47,731 INFO L895 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: false [2022-12-13 18:56:47,731 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1669 1676) the Hoare annotation is: true [2022-12-13 18:56:47,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-12-13 18:56:47,731 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2022-12-13 18:56:47,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-12-13 18:56:47,732 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-12-13 18:56:47,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:56:47,732 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: false [2022-12-13 18:56:47,732 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-12-13 18:56:47,732 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: false [2022-12-13 18:56:47,732 INFO L895 garLoopResultBuilder]: At program point L1614(lines 1614 1622) the Hoare annotation is: (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and |ULTIMATE.start_goodG2B1_#t~switch96#1| (<= .cse0 0) (<= 0 .cse0))) [2022-12-13 18:56:47,732 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1578) no Hoare annotation was computed. [2022-12-13 18:56:47,732 INFO L902 garLoopResultBuilder]: At program point L1672(line 1672) the Hoare annotation is: true [2022-12-13 18:56:47,732 INFO L899 garLoopResultBuilder]: For program point L1672-1(line 1672) no Hoare annotation was computed. [2022-12-13 18:56:47,732 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: false [2022-12-13 18:56:47,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-12-13 18:56:47,733 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-12-13 18:56:47,733 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: false [2022-12-13 18:56:47,733 INFO L895 garLoopResultBuilder]: At program point L1623(lines 1623 1634) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch97#1| (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 18:56:47,733 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2022-12-13 18:56:47,733 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:56:47,733 INFO L895 garLoopResultBuilder]: At program point L1640(lines 1640 1648) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2))) (and (<= 0 .cse0) (<= .cse0 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)))) [2022-12-13 18:56:47,733 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch93#1| (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0)) [2022-12-13 18:56:47,733 INFO L895 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: false [2022-12-13 18:56:47,733 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-12-13 18:56:47,733 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-12-13 18:56:47,734 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-12-13 18:56:47,734 INFO L902 garLoopResultBuilder]: At program point L1649(lines 1649 1660) the Hoare annotation is: true [2022-12-13 18:56:47,734 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2022-12-13 18:56:47,734 INFO L895 garLoopResultBuilder]: At program point L1583(lines 1583 1591) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch94#1| (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0)) [2022-12-13 18:56:47,734 INFO L902 garLoopResultBuilder]: At program point L1674(line 1674) the Hoare annotation is: true [2022-12-13 18:56:47,734 INFO L899 garLoopResultBuilder]: For program point L1674-1(line 1674) no Hoare annotation was computed. [2022-12-13 18:56:47,734 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1575) no Hoare annotation was computed. [2022-12-13 18:56:47,734 INFO L902 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: true [2022-12-13 18:56:47,734 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-12-13 18:56:47,734 INFO L895 garLoopResultBuilder]: At program point L1592(lines 1592 1608) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch95#1| [2022-12-13 18:56:47,734 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: false [2022-12-13 18:56:47,734 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-12-13 18:56:47,734 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1560) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch92#1| (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0)) [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 1635) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch95#1| (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0)) [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point L1569(line 1569) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point L1569-1(line 1569) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-12-13 18:56:47,735 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-12-13 18:56:47,736 INFO L899 garLoopResultBuilder]: For program point L1627-1(line 1627) no Hoare annotation was computed. [2022-12-13 18:56:47,736 INFO L895 garLoopResultBuilder]: At program point L1561(lines 1561 1577) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch93#1| [2022-12-13 18:56:47,736 INFO L899 garLoopResultBuilder]: For program point L1619(line 1619) no Hoare annotation was computed. [2022-12-13 18:56:47,736 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1661) no Hoare annotation was computed. [2022-12-13 18:56:47,736 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: false [2022-12-13 18:56:47,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2022-12-13 18:56:47,736 INFO L895 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch97#1| (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 18:56:47,736 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1603) no Hoare annotation was computed. [2022-12-13 18:56:47,736 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2022-12-13 18:56:47,736 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2022-12-13 18:56:47,736 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-12-13 18:56:47,737 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-12-13 18:56:47,737 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1609) no Hoare annotation was computed. [2022-12-13 18:56:47,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-12-13 18:56:47,740 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:56:47,742 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:56:47,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:56:47 BoogieIcfgContainer [2022-12-13 18:56:47,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:56:47,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:56:47,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:56:47,758 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:56:47,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:56:46" (3/4) ... [2022-12-13 18:56:47,762 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:56:47,768 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 18:56:47,768 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 18:56:47,772 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 18:56:47,773 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 18:56:47,773 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 18:56:47,773 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:56:47,773 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:56:47,814 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:56:47,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:56:47,814 INFO L158 Benchmark]: Toolchain (without parser) took 2755.92ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 58.1MB in the beginning and 78.9MB in the end (delta: -20.9MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-12-13 18:56:47,815 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:56:47,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 835.64ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 57.7MB in the beginning and 89.0MB in the end (delta: -31.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2022-12-13 18:56:47,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.06ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 86.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:56:47,815 INFO L158 Benchmark]: Boogie Preprocessor took 19.81ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:56:47,815 INFO L158 Benchmark]: RCFGBuilder took 344.97ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 68.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:56:47,816 INFO L158 Benchmark]: TraceAbstraction took 1455.26ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 83.1MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:56:47,816 INFO L158 Benchmark]: Witness Printer took 56.59ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 78.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:56:47,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 835.64ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 57.7MB in the beginning and 89.0MB in the end (delta: -31.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.06ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 86.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.81ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.97ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 68.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1455.26ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 83.1MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.59ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 78.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 77 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 1817 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 853 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 964 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 83 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 104 PreInvPairs, 124 NumberOfFragments, 89 HoareAnnotationTreeSize, 104 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 490 NumberOfCodeBlocks, 490 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 475 ConstructedInterpolants, 0 QuantifiedInterpolants, 561 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 124/124 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1614]: Loop Invariant Derived loop invariant: (aux-switch(5) { case 6: printLine("Benign, fixed string"); break; default: data = -2; break; }-aux && 2 + data <= 0) && 0 <= 2 + data - InvariantResult [Line: 1669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1640]: Loop Invariant Derived loop invariant: (0 <= data + 2 && data + 2 <= 0) && 0 <= 2 + data - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1583]: Loop Invariant Derived loop invariant: aux-switch(6) { case 6: data = (-0x7fffffff - 1); break; default: printLine("Benign, fixed string"); break; }-aux && data + 2147483648 <= 0 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: aux-switch(6) { case 6: data = (-0x7fffffff - 1); break; default: printLine("Benign, fixed string"); break; }-aux && data + 2147483648 <= 0 - InvariantResult [Line: 1623]: Loop Invariant Derived loop invariant: aux-switch(7) { case 7: { int result = data - 1; printIntLine(result); } break; default: printLine("Benign, fixed string"); break; }-aux && 0 <= 2 + data - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1649]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:56:47,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1489d94f-4211-4195-82f2-3891aa667195/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE