./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/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_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/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_46dd44fe-4b19-4397-8095-037baad78d90/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 c0a0030ffa27dca5bb14131b70d3aa8b11940565f5178ee0497f1eeb9a0fdf14 --- 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 18:52:08,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:52:08,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:52:08,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:52:08,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:52:08,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:52:08,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:52:08,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:52:08,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:52:08,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:52:08,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:52:08,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:52:08,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:52:08,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:52:08,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:52:08,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:52:08,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:52:08,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:52:08,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:52:08,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:52:08,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:52:08,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:52:08,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:52:08,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:52:08,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:52:08,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:52:08,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:52:08,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:52:08,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:52:08,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:52:08,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:52:08,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:52:08,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:52:08,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:52:08,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:52:08,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:52:08,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:52:08,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:52:08,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:52:08,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:52:08,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:52:08,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:52:08,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:52:08,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:52:08,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:52:08,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:52:08,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:52:08,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:52:08,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:52:08,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:52:08,848 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:52:08,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:52:08,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:52:08,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:52:08,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:52:08,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:52:08,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:52:08,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:52:08,849 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:52:08,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:52:08,850 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:52:08,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:52:08,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:52:08,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:52:08,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:52:08,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:52:08,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:52:08,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:52:08,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:52:08,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:52:08,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:52:08,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:52:08,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:52:08,852 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:52:08,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:52:08,852 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:52:08,852 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_46dd44fe-4b19-4397-8095-037baad78d90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0a0030ffa27dca5bb14131b70d3aa8b11940565f5178ee0497f1eeb9a0fdf14 [2022-12-13 18:52:09,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:52:09,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:52:09,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:52:09,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:52:09,053 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:52:09,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i [2022-12-13 18:52:11,642 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:52:11,940 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:52:11,941 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i [2022-12-13 18:52:11,960 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/data/ac499037a/0c19e4dd41d346a4be7e979c03f4425f/FLAG591c0bd18 [2022-12-13 18:52:11,974 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/data/ac499037a/0c19e4dd41d346a4be7e979c03f4425f [2022-12-13 18:52:11,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:52:11,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:52:11,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:52:11,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:52:11,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:52:11,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:52:11" (1/1) ... [2022-12-13 18:52:11,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e2700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:11, skipping insertion in model container [2022-12-13 18:52:11,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:52:11" (1/1) ... [2022-12-13 18:52:11,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:52:12,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:52:12,319 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:52:12,606 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:52:12,610 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:52:12,612 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:52:12,613 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:52:12,614 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:52:12,631 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:52:12,632 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:52:12,641 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:52:12,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:52:12,649 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:52:12,663 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:52:12,692 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:52:12,693 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:52:12,694 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:52:12,695 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:52:12,696 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:52:12,698 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:52:12,700 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:52:12,703 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:52:12,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:52:12,802 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:52:12,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12 WrapperNode [2022-12-13 18:52:12,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:52:12,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:52:12,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:52:12,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:52:12,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,858 INFO L138 Inliner]: procedures = 502, calls = 83, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2022-12-13 18:52:12,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:52:12,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:52:12,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:52:12,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:52:12,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:52:12,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:52:12,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:52:12,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:52:12,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (1/1) ... [2022-12-13 18:52:12,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:52:12,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:52:12,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:52:12,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:52:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 18:52:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 18:52:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 18:52:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-12-13 18:52:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-12-13 18:52:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:52:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:52:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:52:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 18:52:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:52:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:52:12,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:52:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:52:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:52:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:52:13,068 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:52:13,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:52:13,229 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:52:13,235 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:52:13,235 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:52:13,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:52:13 BoogieIcfgContainer [2022-12-13 18:52:13,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:52:13,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:52:13,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:52:13,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:52:13,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:52:11" (1/3) ... [2022-12-13 18:52:13,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea61e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:52:13, skipping insertion in model container [2022-12-13 18:52:13,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:12" (2/3) ... [2022-12-13 18:52:13,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea61e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:52:13, skipping insertion in model container [2022-12-13 18:52:13,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:52:13" (3/3) ... [2022-12-13 18:52:13,243 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_12_good.i [2022-12-13 18:52:13,256 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:52:13,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 18:52:13,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:52:13,294 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;@67381e3a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:52:13,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 18:52:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 52 states have internal predecessors, (55), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-13 18:52:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 18:52:13,305 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:52:13,306 INFO L195 NwaCegarLoop]: trace histogram [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 18:52:13,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:52:13,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:13,311 INFO L85 PathProgramCache]: Analyzing trace with hash 229916058, now seen corresponding path program 1 times [2022-12-13 18:52:13,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:13,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791545452] [2022-12-13 18:52:13,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:13,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:52:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:52:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:52:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:52:13,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:52:13,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791545452] [2022-12-13 18:52:13,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791545452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:52:13,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:52:13,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:52:13,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179483839] [2022-12-13 18:52:13,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:52:13,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:52:13,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:52:13,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:52:13,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:52:13,622 INFO L87 Difference]: Start difference. First operand has 64 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 52 states have internal predecessors, (55), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18:52:13,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:13,646 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2022-12-13 18:52:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:52:13,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 24 [2022-12-13 18:52:13,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:52:13,654 INFO L225 Difference]: With dead ends: 64 [2022-12-13 18:52:13,654 INFO L226 Difference]: Without dead ends: 54 [2022-12-13 18:52:13,656 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 18:52:13,658 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 2 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 156 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 18:52:13,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 156 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:52:13,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-13 18:52:13,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-12-13 18:52:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:52:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-12-13 18:52:13,686 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 24 [2022-12-13 18:52:13,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:52:13,687 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-12-13 18:52:13,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18:52:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-12-13 18:52:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 18:52:13,689 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:52:13,689 INFO L195 NwaCegarLoop]: trace histogram [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 18:52:13,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:52:13,689 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 18:52:13,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:13,690 INFO L85 PathProgramCache]: Analyzing trace with hash 229902156, now seen corresponding path program 1 times [2022-12-13 18:52:13,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:13,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020021892] [2022-12-13 18:52:13,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:13,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:52:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:52:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:52:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:52:13,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:52:13,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020021892] [2022-12-13 18:52:13,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020021892] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:52:13,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:52:13,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:52:13,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347463647] [2022-12-13 18:52:13,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:52:13,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:52:13,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:52:13,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:52:13,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:52:13,786 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18:52:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:13,799 INFO L93 Difference]: Finished difference Result 54 states and 69 transitions. [2022-12-13 18:52:13,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:52:13,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 24 [2022-12-13 18:52:13,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:52:13,801 INFO L225 Difference]: With dead ends: 54 [2022-12-13 18:52:13,801 INFO L226 Difference]: Without dead ends: 53 [2022-12-13 18:52:13,801 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 18:52:13,803 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 2 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 128 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 18:52:13,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 128 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:52:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-13 18:52:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-12-13 18:52:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.393939393939394) internal successors, (46), 43 states have internal predecessors, (46), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:52:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-12-13 18:52:13,811 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 24 [2022-12-13 18:52:13,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:52:13,812 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-12-13 18:52:13,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18:52:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-12-13 18:52:13,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 18:52:13,813 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:52:13,813 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:13,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:52:13,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:52:13,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:13,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1462536698, now seen corresponding path program 1 times [2022-12-13 18:52:13,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:13,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706319510] [2022-12-13 18:52:13,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:13,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:52:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:52:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:52:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:52:13,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:52:13,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706319510] [2022-12-13 18:52:13,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706319510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:52:13,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:52:13,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:52:13,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713427059] [2022-12-13 18:52:13,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:52:13,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:52:13,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:52:13,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:52:13,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:52:13,918 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:52:13,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:13,945 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2022-12-13 18:52:13,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:52:13,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2022-12-13 18:52:13,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:52:13,947 INFO L225 Difference]: With dead ends: 53 [2022-12-13 18:52:13,947 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 18:52:13,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:52:13,948 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 27 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:52:13,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 143 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:52:13,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 18:52:13,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-13 18:52:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 42 states have internal predecessors, (45), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:52:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2022-12-13 18:52:13,957 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 25 [2022-12-13 18:52:13,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:52:13,957 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2022-12-13 18:52:13,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:52:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2022-12-13 18:52:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 18:52:13,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:52:13,958 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:13,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:52:13,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:52:13,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:13,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1462967674, now seen corresponding path program 1 times [2022-12-13 18:52:13,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:13,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199271712] [2022-12-13 18:52:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:52:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:52:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:52:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:52:14,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:52:14,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199271712] [2022-12-13 18:52:14,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199271712] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:52:14,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:52:14,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:52:14,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342150190] [2022-12-13 18:52:14,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:52:14,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:52:14,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:52:14,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:52:14,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:52:14,044 INFO L87 Difference]: Start difference. First operand 52 states and 67 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:52:14,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:14,068 INFO L93 Difference]: Finished difference Result 52 states and 67 transitions. [2022-12-13 18:52:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:52:14,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2022-12-13 18:52:14,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:52:14,069 INFO L225 Difference]: With dead ends: 52 [2022-12-13 18:52:14,069 INFO L226 Difference]: Without dead ends: 51 [2022-12-13 18:52:14,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:52:14,071 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 26 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:52:14,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 141 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:52:14,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-13 18:52:14,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-13 18:52:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 41 states have internal predecessors, (44), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:52:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2022-12-13 18:52:14,078 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 25 [2022-12-13 18:52:14,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:52:14,079 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2022-12-13 18:52:14,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:52:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-12-13 18:52:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 18:52:14,080 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:52:14,080 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:14,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:52:14,080 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:52:14,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:14,081 INFO L85 PathProgramCache]: Analyzing trace with hash 542029647, now seen corresponding path program 1 times [2022-12-13 18:52:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:14,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795214337] [2022-12-13 18:52:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:52:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:52:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:52:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:52:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:52:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:52:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 18:52:14,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:52:14,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795214337] [2022-12-13 18:52:14,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795214337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:52:14,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:52:14,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:52:14,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201991971] [2022-12-13 18:52:14,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:52:14,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:52:14,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:52:14,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:52:14,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:52:14,178 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:52:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:14,195 INFO L93 Difference]: Finished difference Result 51 states and 66 transitions. [2022-12-13 18:52:14,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:52:14,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-12-13 18:52:14,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:52:14,197 INFO L225 Difference]: With dead ends: 51 [2022-12-13 18:52:14,197 INFO L226 Difference]: Without dead ends: 50 [2022-12-13 18:52:14,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:52:14,198 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 10 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 172 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 18:52:14,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 172 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:52:14,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-13 18:52:14,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-12-13 18:52:14,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 40 states have internal predecessors, (43), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:52:14,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 65 transitions. [2022-12-13 18:52:14,206 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 65 transitions. Word has length 42 [2022-12-13 18:52:14,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:52:14,206 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 65 transitions. [2022-12-13 18:52:14,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:52:14,207 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2022-12-13 18:52:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 18:52:14,208 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:52:14,208 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:14,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:52:14,208 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:52:14,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:14,209 INFO L85 PathProgramCache]: Analyzing trace with hash 542029871, now seen corresponding path program 1 times [2022-12-13 18:52:14,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:14,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32973665] [2022-12-13 18:52:14,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:14,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:52:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:52:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:52:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:52:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:52:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:52:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 18:52:14,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:52:14,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32973665] [2022-12-13 18:52:14,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32973665] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:52:14,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:52:14,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:52:14,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160631278] [2022-12-13 18:52:14,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:52:14,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:52:14,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:52:14,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:52:14,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:52:14,293 INFO L87 Difference]: Start difference. First operand 50 states and 65 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:52:14,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:14,308 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2022-12-13 18:52:14,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:52:14,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-12-13 18:52:14,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:52:14,310 INFO L225 Difference]: With dead ends: 50 [2022-12-13 18:52:14,310 INFO L226 Difference]: Without dead ends: 49 [2022-12-13 18:52:14,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:52:14,311 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 9 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 170 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 18:52:14,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 170 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:52:14,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-13 18:52:14,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-13 18:52:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 39 states have internal predecessors, (42), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:52:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2022-12-13 18:52:14,315 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 42 [2022-12-13 18:52:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:52:14,315 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2022-12-13 18:52:14,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:52:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-12-13 18:52:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 18:52:14,317 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:52:14,317 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:14,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:52:14,318 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:52:14,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:14,318 INFO L85 PathProgramCache]: Analyzing trace with hash -376950008, now seen corresponding path program 1 times [2022-12-13 18:52:14,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:14,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351500831] [2022-12-13 18:52:14,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:14,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:52:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:52:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:52:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:52:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:52:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:52:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 18:52:14,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:52:14,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351500831] [2022-12-13 18:52:14,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351500831] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:52:14,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:52:14,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:52:14,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343747262] [2022-12-13 18:52:14,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:52:14,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:52:14,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:52:14,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:52:14,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:52:14,384 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:52:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:14,399 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2022-12-13 18:52:14,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:52:14,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2022-12-13 18:52:14,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:52:14,400 INFO L225 Difference]: With dead ends: 49 [2022-12-13 18:52:14,400 INFO L226 Difference]: Without dead ends: 46 [2022-12-13 18:52:14,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:52:14,401 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 5 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:52:14,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 172 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:52:14,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-13 18:52:14,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-13 18:52:14,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 36 states have internal predecessors, (39), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:52:14,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2022-12-13 18:52:14,408 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 43 [2022-12-13 18:52:14,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:52:14,408 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2022-12-13 18:52:14,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:52:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-12-13 18:52:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 18:52:14,409 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:52:14,409 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:14,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:52:14,410 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:52:14,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:14,410 INFO L85 PathProgramCache]: Analyzing trace with hash -376943057, now seen corresponding path program 1 times [2022-12-13 18:52:14,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:14,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800291912] [2022-12-13 18:52:14,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:14,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:52:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:52:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:52:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:52:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:52:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:52:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 18:52:14,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:52:14,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800291912] [2022-12-13 18:52:14,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800291912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:52:14,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:52:14,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:52:14,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200708277] [2022-12-13 18:52:14,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:52:14,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:52:14,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:52:14,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:52:14,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:52:14,480 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:52:14,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:14,493 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2022-12-13 18:52:14,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:52:14,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2022-12-13 18:52:14,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:52:14,494 INFO L225 Difference]: With dead ends: 46 [2022-12-13 18:52:14,494 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:52:14,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:52:14,495 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 168 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 18:52:14,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 168 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:52:14,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:52:14,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:52:14,496 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 18:52:14,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:52:14,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-12-13 18:52:14,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:52:14,496 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:52:14,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:52:14,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:52:14,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:52:14,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 18:52:14,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 18:52:14,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 18:52:14,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 18:52:14,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 18:52:14,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 18:52:14,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 18:52:14,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 18:52:14,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:52:14,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:52:14,528 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 18:52:14,528 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:52:14,528 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 18:52:14,528 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:52:14,528 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseFINAL(lines 1518 1521) no Hoare annotation was computed. [2022-12-13 18:52:14,528 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2022-12-13 18:52:14,528 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1518 1521) the Hoare annotation is: true [2022-12-13 18:52:14,528 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 18:52:14,528 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:52:14,528 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:52:14,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2022-12-13 18:52:14,529 INFO L899 garLoopResultBuilder]: For program point L1584(line 1584) no Hoare annotation was computed. [2022-12-13 18:52:14,529 INFO L899 garLoopResultBuilder]: For program point L1584-1(line 1584) no Hoare annotation was computed. [2022-12-13 18:52:14,529 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2022-12-13 18:52:14,529 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2022-12-13 18:52:14,529 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-12-13 18:52:14,529 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1580 1605) no Hoare annotation was computed. [2022-12-13 18:52:14,529 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1641 1648) the Hoare annotation is: true [2022-12-13 18:52:14,529 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) [2022-12-13 18:52:14,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1576-1(lines 1570 1577) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1584) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1622) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1622-1(line 1622) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-12-13 18:52:14,530 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1579) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1579) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1584) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1622) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point L1619(line 1619) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point L1619-1(lines 1619 1634) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1591) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point L1611-2(lines 1611 1618) no Hoare annotation was computed. [2022-12-13 18:52:14,531 INFO L895 garLoopResultBuilder]: At program point L1611-4(lines 1611 1618) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (and (<= .cse0 0) (<= 0 .cse0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647))) [2022-12-13 18:52:14,531 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1640) no Hoare annotation was computed. [2022-12-13 18:52:14,532 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) [2022-12-13 18:52:14,532 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1577) no Hoare annotation was computed. [2022-12-13 18:52:14,532 INFO L899 garLoopResultBuilder]: For program point L1603-1(lines 1548 1606) no Hoare annotation was computed. [2022-12-13 18:52:14,532 INFO L902 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: true [2022-12-13 18:52:14,532 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) [2022-12-13 18:52:14,532 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 1607 1635) no Hoare annotation was computed. [2022-12-13 18:52:14,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2022-12-13 18:52:14,532 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1604) no Hoare annotation was computed. [2022-12-13 18:52:14,532 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) [2022-12-13 18:52:14,532 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-12-13 18:52:14,532 INFO L902 garLoopResultBuilder]: At program point L1624(line 1624) the Hoare annotation is: true [2022-12-13 18:52:14,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-12-13 18:52:14,535 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:14,537 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:52:14,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:52:14 BoogieIcfgContainer [2022-12-13 18:52:14,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:52:14,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:52:14,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:52:14,544 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:52:14,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:52:13" (3/4) ... [2022-12-13 18:52:14,546 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:52:14,551 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 18:52:14,551 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-12-13 18:52:14,551 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 18:52:14,555 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 18:52:14,556 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-13 18:52:14,556 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 18:52:14,556 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:52:14,556 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:52:14,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:52:14,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:52:14,590 INFO L158 Benchmark]: Toolchain (without parser) took 2611.98ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 94.8MB in the beginning and 67.9MB in the end (delta: 26.9MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-12-13 18:52:14,590 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:52:14,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.79ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 94.8MB in the beginning and 120.0MB in the end (delta: -25.2MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2022-12-13 18:52:14,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.15ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 116.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:52:14,591 INFO L158 Benchmark]: Boogie Preprocessor took 26.99ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:52:14,592 INFO L158 Benchmark]: RCFGBuilder took 349.26ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 98.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 18:52:14,592 INFO L158 Benchmark]: TraceAbstraction took 1305.14ms. Allocated memory is still 165.7MB. Free memory was 97.0MB in the beginning and 71.0MB in the end (delta: 26.0MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-12-13 18:52:14,592 INFO L158 Benchmark]: Witness Printer took 45.81ms. Allocated memory is still 165.7MB. Free memory was 71.0MB in the beginning and 67.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:52:14,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.79ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 94.8MB in the beginning and 120.0MB in the end (delta: -25.2MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.15ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 116.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.99ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.26ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 98.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1305.14ms. Allocated memory is still 165.7MB. Free memory was 97.0MB in the beginning and 71.0MB in the end (delta: 26.0MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 45.81ms. Allocated memory is still 165.7MB. Free memory was 71.0MB in the beginning and 67.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: 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: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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 4 procedures, 64 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 1250 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 746 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 504 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 29 PreInvPairs, 29 NumberOfFragments, 55 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 100/100 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: 1641]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:52:14,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46dd44fe-4b19-4397-8095-037baad78d90/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