./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_41_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b5f8d697ea029dbc49fbbb91d6819246bfd77dd1e7ade1447f3a67e4fad954b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:32:54,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:32:54,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:32:54,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:32:54,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:32:54,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:32:54,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:32:54,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:32:54,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:32:54,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:32:54,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:32:54,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:32:54,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:32:54,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:32:54,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:32:54,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:32:54,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:32:54,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:32:54,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:32:54,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:32:54,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:32:54,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:32:54,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:32:54,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:32:54,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:32:54,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:32:54,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:32:54,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:32:54,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:32:54,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:32:54,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:32:54,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:32:54,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:32:54,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:32:54,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:32:54,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:32:54,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:32:54,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:32:54,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:32:54,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:32:54,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:32:54,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 09:32:54,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:32:54,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:32:54,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:32:54,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:32:54,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:32:54,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:32:54,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:32:54,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:32:54,827 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:32:54,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:32:54,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:32:54,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:32:54,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:32:54,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:32:54,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:32:54,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:32:54,829 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 09:32:54,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:32:54,829 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:32:54,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:32:54,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:32:54,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:32:54,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:32:54,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:32:54,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:32:54,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:32:54,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:32:54,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:32:54,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:32:54,832 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:32:54,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:32:54,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:32:54,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b5f8d697ea029dbc49fbbb91d6819246bfd77dd1e7ade1447f3a67e4fad954b [2022-11-20 09:32:55,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:32:55,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:32:55,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:32:55,199 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:32:55,199 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:32:55,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_41_good.i [2022-11-20 09:32:58,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:32:58,623 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:32:58,624 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_41_good.i [2022-11-20 09:32:58,663 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/data/0e5bb1927/13f3fb40c6fb4eaca8a04e030b7b9c19/FLAGcce1b2932 [2022-11-20 09:32:58,682 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/data/0e5bb1927/13f3fb40c6fb4eaca8a04e030b7b9c19 [2022-11-20 09:32:58,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:32:58,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:32:58,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:32:58,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:32:58,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:32:58,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:32:58" (1/1) ... [2022-11-20 09:32:58,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b8416a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:58, skipping insertion in model container [2022-11-20 09:32:58,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:32:58" (1/1) ... [2022-11-20 09:32:58,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:32:58,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:32:59,234 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:32:59,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:32:59,731 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:32:59,749 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:32:59,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:32:59,905 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:32:59,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59 WrapperNode [2022-11-20 09:32:59,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:32:59,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:32:59,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:32:59,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:32:59,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:32:59,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:32:59,963 INFO L138 Inliner]: procedures = 503, calls = 66, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 58 [2022-11-20 09:32:59,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:32:59,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:32:59,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:32:59,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:32:59,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:32:59,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:32:59,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:32:59,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:33:00,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:33:00,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:33:00,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:33:00,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:33:00,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:33:00,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:33:00,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:33:00,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:33:00,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (1/1) ... [2022-11-20 09:33:00,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:33:00,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:00,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:00,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:33:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 09:33:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 09:33:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 09:33:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 09:33:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:33:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:33:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:33:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:33:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:33:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:33:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 09:33:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:33:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:33:00,276 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:33:00,278 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:33:00,501 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:33:00,514 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:33:00,515 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:33:00,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:00 BoogieIcfgContainer [2022-11-20 09:33:00,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:33:00,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:33:00,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:33:00,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:33:00,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:32:58" (1/3) ... [2022-11-20 09:33:00,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d87aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:33:00, skipping insertion in model container [2022-11-20 09:33:00,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:59" (2/3) ... [2022-11-20 09:33:00,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d87aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:33:00, skipping insertion in model container [2022-11-20 09:33:00,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:00" (3/3) ... [2022-11-20 09:33:00,529 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_41_good.i [2022-11-20 09:33:00,550 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:33:00,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 09:33:00,605 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:33:00,612 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;@41113360, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:33:00,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 09:33:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 30 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 09:33:00,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 09:33:00,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:00,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:00,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 09:33:00,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:00,634 INFO L85 PathProgramCache]: Analyzing trace with hash -47499664, now seen corresponding path program 1 times [2022-11-20 09:33:00,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:00,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516515911] [2022-11-20 09:33:00,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:00,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:33:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:01,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:01,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516515911] [2022-11-20 09:33:01,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516515911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:01,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:01,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:01,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571241698] [2022-11-20 09:33:01,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:01,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:01,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:01,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:01,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:01,109 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 30 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:01,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:01,150 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2022-11-20 09:33:01,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:01,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-20 09:33:01,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:01,161 INFO L225 Difference]: With dead ends: 51 [2022-11-20 09:33:01,162 INFO L226 Difference]: Without dead ends: 32 [2022-11-20 09:33:01,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:01,168 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 18 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:01,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 82 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:33:01,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-20 09:33:01,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2022-11-20 09:33:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 09:33:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-20 09:33:01,210 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 11 [2022-11-20 09:33:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:01,211 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-20 09:33:01,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 09:33:01,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 09:33:01,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:01,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:01,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:33:01,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 09:33:01,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:01,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1472489530, now seen corresponding path program 1 times [2022-11-20 09:33:01,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:01,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846115712] [2022-11-20 09:33:01,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:01,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:33:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:01,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:01,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846115712] [2022-11-20 09:33:01,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846115712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:01,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:01,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:01,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062078096] [2022-11-20 09:33:01,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:01,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:01,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:01,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:01,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:01,335 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:01,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:01,352 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-11-20 09:33:01,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:01,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-20 09:33:01,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:01,354 INFO L225 Difference]: With dead ends: 32 [2022-11-20 09:33:01,354 INFO L226 Difference]: Without dead ends: 31 [2022-11-20 09:33:01,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:01,356 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 7 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:01,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 44 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:33:01,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-20 09:33:01,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. [2022-11-20 09:33:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 09:33:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-11-20 09:33:01,368 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2022-11-20 09:33:01,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:01,370 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-11-20 09:33:01,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-20 09:33:01,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 09:33:01,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:01,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:01,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:33:01,375 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 09:33:01,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:01,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1610794400, now seen corresponding path program 1 times [2022-11-20 09:33:01,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:01,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373264331] [2022-11-20 09:33:01,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:33:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:01,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:01,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373264331] [2022-11-20 09:33:01,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373264331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:01,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:01,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:01,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942522937] [2022-11-20 09:33:01,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:01,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:01,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:01,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:01,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:01,514 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:01,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:01,549 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-20 09:33:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:01,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-20 09:33:01,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:01,553 INFO L225 Difference]: With dead ends: 24 [2022-11-20 09:33:01,553 INFO L226 Difference]: Without dead ends: 23 [2022-11-20 09:33:01,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:01,556 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:01,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 45 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:33:01,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-20 09:33:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-20 09:33:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 09:33:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-11-20 09:33:01,572 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13 [2022-11-20 09:33:01,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:01,572 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-11-20 09:33:01,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-20 09:33:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 09:33:01,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:01,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:01,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:33:01,575 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 09:33:01,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:01,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1604981080, now seen corresponding path program 1 times [2022-11-20 09:33:01,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:01,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617231916] [2022-11-20 09:33:01,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:01,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:33:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:01,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:01,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617231916] [2022-11-20 09:33:01,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617231916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:01,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:01,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:01,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670583399] [2022-11-20 09:33:01,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:01,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:01,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:01,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:01,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:01,683 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:01,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:01,690 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-11-20 09:33:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:01,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-20 09:33:01,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:01,691 INFO L225 Difference]: With dead ends: 23 [2022-11-20 09:33:01,691 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:33:01,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:01,693 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:01,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:33:01,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:33:01,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:33:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:01,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:33:01,695 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-20 09:33:01,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:01,696 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:33:01,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:01,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:33:01,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:33:01,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-20 09:33:01,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-20 09:33:01,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-20 09:33:01,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-20 09:33:01,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:33:01,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:33:01,726 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 09:33:01,727 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 09:33:01,727 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 09:33:01,727 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 09:33:01,727 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 09:33:01,728 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 09:33:01,728 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 09:33:01,728 INFO L899 garLoopResultBuilder]: For program point L1569(line 1569) no Hoare annotation was computed. [2022-11-20 09:33:01,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-11-20 09:33:01,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:33:01,729 INFO L899 garLoopResultBuilder]: For program point L1569-1(line 1569) no Hoare annotation was computed. [2022-11-20 09:33:01,729 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1575) no Hoare annotation was computed. [2022-11-20 09:33:01,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1552) no Hoare annotation was computed. [2022-11-20 09:33:01,729 INFO L899 garLoopResultBuilder]: For program point L1565(lines 1565 1576) no Hoare annotation was computed. [2022-11-20 09:33:01,730 INFO L902 garLoopResultBuilder]: At program point L1596(lines 1590 1597) the Hoare annotation is: true [2022-11-20 09:33:01,730 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1577) no Hoare annotation was computed. [2022-11-20 09:33:01,730 INFO L902 garLoopResultBuilder]: At program point L1553(line 1553) the Hoare annotation is: true [2022-11-20 09:33:01,730 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1584) no Hoare annotation was computed. [2022-11-20 09:33:01,731 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2GSink_~data#1| 1) 0) [2022-11-20 09:33:01,731 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2GSink_~data#1|)) (<= (+ |ULTIMATE.start_goodB2GSink_~data#1| 1) 0)) [2022-11-20 09:33:01,731 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:33:01,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-11-20 09:33:01,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1552) no Hoare annotation was computed. [2022-11-20 09:33:01,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:33:01,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:33:01,732 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-11-20 09:33:01,733 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-11-20 09:33:01,733 INFO L902 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: true [2022-11-20 09:33:01,733 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-20 09:33:01,733 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1562) no Hoare annotation was computed. [2022-11-20 09:33:01,734 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1589) no Hoare annotation was computed. [2022-11-20 09:33:01,734 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-20 09:33:01,734 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-20 09:33:01,734 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1554) no Hoare annotation was computed. [2022-11-20 09:33:01,734 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1555) no Hoare annotation was computed. [2022-11-20 09:33:01,738 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 09:33:01,740 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:33:01,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:33:01 BoogieIcfgContainer [2022-11-20 09:33:01,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:33:01,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:33:01,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:33:01,750 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:33:01,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:00" (3/4) ... [2022-11-20 09:33:01,754 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:33:01,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 09:33:01,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 09:33:01,767 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 09:33:01,768 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 09:33:01,768 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 09:33:01,768 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:33:01,802 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:33:01,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:33:01,803 INFO L158 Benchmark]: Toolchain (without parser) took 3114.04ms. Allocated memory is still 148.9MB. Free memory was 103.5MB in the beginning and 60.1MB in the end (delta: 43.4MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-20 09:33:01,804 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:33:01,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1210.92ms. Allocated memory is still 148.9MB. Free memory was 103.5MB in the beginning and 68.0MB in the end (delta: 35.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 09:33:01,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.69ms. Allocated memory is still 148.9MB. Free memory was 68.0MB in the beginning and 64.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:33:01,805 INFO L158 Benchmark]: Boogie Preprocessor took 43.37ms. Allocated memory is still 148.9MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:33:01,805 INFO L158 Benchmark]: RCFGBuilder took 509.85ms. Allocated memory is still 148.9MB. Free memory was 63.4MB in the beginning and 50.3MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 09:33:01,805 INFO L158 Benchmark]: TraceAbstraction took 1228.03ms. Allocated memory is still 148.9MB. Free memory was 49.7MB in the beginning and 63.4MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:33:01,806 INFO L158 Benchmark]: Witness Printer took 52.78ms. Allocated memory is still 148.9MB. Free memory was 63.4MB in the beginning and 60.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:33:01,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1210.92ms. Allocated memory is still 148.9MB. Free memory was 103.5MB in the beginning and 68.0MB in the end (delta: 35.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.69ms. Allocated memory is still 148.9MB. Free memory was 68.0MB in the beginning and 64.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.37ms. Allocated memory is still 148.9MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.85ms. Allocated memory is still 148.9MB. Free memory was 63.4MB in the beginning and 50.3MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1228.03ms. Allocated memory is still 148.9MB. Free memory was 49.7MB in the beginning and 63.4MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.78ms. Allocated memory is still 148.9MB. Free memory was 63.4MB in the beginning and 60.1MB in the end (delta: 3.3MB). 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 121 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 13 PreInvPairs, 16 NumberOfFragments, 22 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 4 specifications checked. All of them hold - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 09:33:01,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f854cbfd-3a09-4075-9492-ef10e70cc811/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE