./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_10_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_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/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_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/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_9005f5cc-4561-4c28-a501-09b391629861/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 8d7a9d90d7cdcc5bfff8ca91552625fe7686798f368a5f69729c8bdcc3bb9d2f --- 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 12:08:36,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:08:36,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:08:36,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:08:36,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:08:36,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:08:36,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:08:36,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:08:36,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:08:36,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:08:36,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:08:36,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:08:36,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:08:36,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:08:36,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:08:36,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:08:36,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:08:36,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:08:36,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:08:36,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:08:36,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:08:36,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:08:36,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:08:36,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:08:36,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:08:36,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:08:36,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:08:36,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:08:36,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:08:36,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:08:36,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:08:36,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:08:36,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:08:36,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:08:36,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:08:36,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:08:36,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:08:36,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:08:36,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:08:36,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:08:36,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:08:36,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:08:36,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:08:36,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:08:36,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:08:36,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:08:36,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:08:36,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:08:36,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:08:36,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:08:36,760 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:08:36,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:08:36,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:08:36,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:08:36,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:08:36,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:08:36,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:08:36,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:08:36,764 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:08:36,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:08:36,765 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:08:36,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:08:36,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:08:36,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:08:36,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:08:36,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:08:36,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:08:36,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:08:36,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:08:36,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:08:36,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:08:36,769 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:08:36,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:08:36,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:08:36,771 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_9005f5cc-4561-4c28-a501-09b391629861/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d7a9d90d7cdcc5bfff8ca91552625fe7686798f368a5f69729c8bdcc3bb9d2f [2022-11-20 12:08:37,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:08:37,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:08:37,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:08:37,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:08:37,270 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:08:37,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_10_good.i [2022-11-20 12:08:41,015 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:08:41,393 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:08:41,394 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_10_good.i [2022-11-20 12:08:41,420 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/data/c32a5927a/183e23af41374dffa6d4b40ec0532b21/FLAGfb41978be [2022-11-20 12:08:41,437 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/data/c32a5927a/183e23af41374dffa6d4b40ec0532b21 [2022-11-20 12:08:41,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:08:41,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:08:41,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:08:41,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:08:41,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:08:41,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:08:41" (1/1) ... [2022-11-20 12:08:41,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e22253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:41, skipping insertion in model container [2022-11-20 12:08:41,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:08:41" (1/1) ... [2022-11-20 12:08:41,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:08:41,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:08:41,995 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:08:42,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:08:42,683 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:08:42,718 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:08:42,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:08:42,984 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:08:42,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42 WrapperNode [2022-11-20 12:08:42,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:08:42,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:08:42,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:08:42,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:08:42,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,069 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-11-20 12:08:43,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:08:43,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:08:43,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:08:43,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:08:43,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,093 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:08:43,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:08:43,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:08:43,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:08:43,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (1/1) ... [2022-11-20 12:08:43,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:08:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:08:43,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:08:43,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:08:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 12:08:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 12:08:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 12:08:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:08:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:08:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:08:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 12:08:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:08:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:08:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:08:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:08:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:08:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:08:43,382 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:08:43,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:08:43,690 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:08:43,704 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:08:43,704 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:08:43,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:08:43 BoogieIcfgContainer [2022-11-20 12:08:43,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:08:43,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:08:43,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:08:43,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:08:43,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:08:41" (1/3) ... [2022-11-20 12:08:43,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d170f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:08:43, skipping insertion in model container [2022-11-20 12:08:43,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:42" (2/3) ... [2022-11-20 12:08:43,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d170f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:08:43, skipping insertion in model container [2022-11-20 12:08:43,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:08:43" (3/3) ... [2022-11-20 12:08:43,741 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_10_good.i [2022-11-20 12:08:43,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:08:43,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 12:08:43,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:08:43,832 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;@3eda4295, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:08:43,832 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 12:08:43,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 12:08:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 12:08:43,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:43,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:43,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:08:43,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:43,854 INFO L85 PathProgramCache]: Analyzing trace with hash -3411870, now seen corresponding path program 1 times [2022-11-20 12:08:43,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:08:43,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658848638] [2022-11-20 12:08:43,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:43,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:08:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:08:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:44,296 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 12:08:44,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:08:44,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658848638] [2022-11-20 12:08:44,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658848638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:44,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:44,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:08:44,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786716601] [2022-11-20 12:08:44,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:44,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:44,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:08:44,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:44,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:44,388 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.3333333333333335) 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 12:08:44,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:44,469 INFO L93 Difference]: Finished difference Result 114 states and 154 transitions. [2022-11-20 12:08:44,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:44,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) 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 12:08:44,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:44,480 INFO L225 Difference]: With dead ends: 114 [2022-11-20 12:08:44,480 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 12:08:44,483 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 12:08:44,486 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:44,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 71 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:44,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 12:08:44,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 12:08:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 46 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 12:08:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-11-20 12:08:44,529 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 12 [2022-11-20 12:08:44,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:44,530 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2022-11-20 12:08:44,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) 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 12:08:44,531 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-20 12:08:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 12:08:44,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:44,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:44,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:08:44,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:08:44,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:44,534 INFO L85 PathProgramCache]: Analyzing trace with hash 716579271, now seen corresponding path program 1 times [2022-11-20 12:08:44,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:08:44,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76173163] [2022-11-20 12:08:44,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:44,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:08:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:08:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:44,629 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 12:08:44,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:08:44,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76173163] [2022-11-20 12:08:44,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76173163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:44,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:44,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:08:44,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522920051] [2022-11-20 12:08:44,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:44,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:44,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:08:44,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:44,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:44,633 INFO L87 Difference]: Start difference. First operand 53 states and 67 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 12:08:44,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:44,674 INFO L93 Difference]: Finished difference Result 123 states and 154 transitions. [2022-11-20 12:08:44,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:44,675 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 12:08:44,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:44,677 INFO L225 Difference]: With dead ends: 123 [2022-11-20 12:08:44,677 INFO L226 Difference]: Without dead ends: 85 [2022-11-20 12:08:44,678 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 12:08:44,680 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 33 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:44,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 166 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:44,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-20 12:08:44,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 55. [2022-11-20 12:08:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 47 states have internal predecessors, (50), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 12:08:44,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2022-11-20 12:08:44,701 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 14 [2022-11-20 12:08:44,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:44,703 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2022-11-20 12:08:44,703 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 12:08:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-11-20 12:08:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 12:08:44,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:44,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:44,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:08:44,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:08:44,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:44,711 INFO L85 PathProgramCache]: Analyzing trace with hash 739120992, now seen corresponding path program 1 times [2022-11-20 12:08:44,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:08:44,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066841015] [2022-11-20 12:08:44,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:44,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:08:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:08:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:44,846 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 12:08:44,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:08:44,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066841015] [2022-11-20 12:08:44,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066841015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:44,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:44,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:08:44,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653593120] [2022-11-20 12:08:44,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:44,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:44,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:08:44,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:44,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:44,850 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:08:44,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:44,875 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-11-20 12:08:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:44,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-20 12:08:44,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:44,877 INFO L225 Difference]: With dead ends: 55 [2022-11-20 12:08:44,878 INFO L226 Difference]: Without dead ends: 54 [2022-11-20 12:08:44,878 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 12:08:44,880 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 30 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:44,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 80 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:44,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-20 12:08:44,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-20 12:08:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 46 states have internal predecessors, (49), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 12:08:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-11-20 12:08:44,892 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 15 [2022-11-20 12:08:44,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:44,893 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-11-20 12:08:44,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:08:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-11-20 12:08:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 12:08:44,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:44,895 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:44,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:08:44,895 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:08:44,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:44,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1877659523, now seen corresponding path program 1 times [2022-11-20 12:08:44,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:08:44,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649451150] [2022-11-20 12:08:44,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:44,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:08:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:08:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 12:08:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:08:44,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:08:44,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649451150] [2022-11-20 12:08:44,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649451150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:44,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:44,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:08:44,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897796248] [2022-11-20 12:08:44,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:44,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:44,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:08:44,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:44,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:44,974 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:08:44,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:44,989 INFO L93 Difference]: Finished difference Result 89 states and 109 transitions. [2022-11-20 12:08:44,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:44,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-20 12:08:44,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:44,990 INFO L225 Difference]: With dead ends: 89 [2022-11-20 12:08:44,991 INFO L226 Difference]: Without dead ends: 52 [2022-11-20 12:08:44,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 12:08:44,992 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:44,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:44,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-20 12:08:45,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-20 12:08:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 44 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:08:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-11-20 12:08:45,001 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 24 [2022-11-20 12:08:45,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:45,002 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-11-20 12:08:45,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:08:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-11-20 12:08:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 12:08:45,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:45,003 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:45,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:08:45,004 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:08:45,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:45,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1029008232, now seen corresponding path program 1 times [2022-11-20 12:08:45,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:08:45,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499349919] [2022-11-20 12:08:45,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:45,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:08:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:08:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:08:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:08:45,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:08:45,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499349919] [2022-11-20 12:08:45,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499349919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:45,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:45,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:08:45,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446258607] [2022-11-20 12:08:45,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:45,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:45,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:08:45,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:45,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:45,081 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:08:45,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:45,104 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2022-11-20 12:08:45,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:45,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-20 12:08:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:45,107 INFO L225 Difference]: With dead ends: 78 [2022-11-20 12:08:45,107 INFO L226 Difference]: Without dead ends: 54 [2022-11-20 12:08:45,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 12:08:45,109 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 6 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:45,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 105 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:45,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-20 12:08:45,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-20 12:08:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 45 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:08:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2022-11-20 12:08:45,120 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 25 [2022-11-20 12:08:45,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:45,121 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2022-11-20 12:08:45,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:08:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-11-20 12:08:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 12:08:45,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:45,123 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:45,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:08:45,123 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:08:45,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:45,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1834484019, now seen corresponding path program 1 times [2022-11-20 12:08:45,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:08:45,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704757539] [2022-11-20 12:08:45,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:45,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:08:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:08:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:08:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:08:45,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:08:45,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704757539] [2022-11-20 12:08:45,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704757539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:45,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:45,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:08:45,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363366390] [2022-11-20 12:08:45,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:45,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:45,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:08:45,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:45,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:45,220 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:08:45,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:45,236 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2022-11-20 12:08:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:45,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-20 12:08:45,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:45,238 INFO L225 Difference]: With dead ends: 54 [2022-11-20 12:08:45,239 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 12:08:45,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 12:08:45,240 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 16 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:45,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 83 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:45,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 12:08:45,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 12:08:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.205128205128205) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:08:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2022-11-20 12:08:45,297 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 26 [2022-11-20 12:08:45,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:45,298 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2022-11-20 12:08:45,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:08:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-11-20 12:08:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 12:08:45,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:45,301 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:45,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:08:45,302 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:08:45,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:45,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1863024089, now seen corresponding path program 1 times [2022-11-20 12:08:45,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:08:45,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762865765] [2022-11-20 12:08:45,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:45,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:08:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:08:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:08:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 12:08:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:08:45,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:08:45,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762865765] [2022-11-20 12:08:45,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762865765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:45,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:45,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:08:45,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718262698] [2022-11-20 12:08:45,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:45,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:45,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:08:45,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:45,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:45,443 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-20 12:08:45,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:45,470 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2022-11-20 12:08:45,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:45,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 33 [2022-11-20 12:08:45,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:45,473 INFO L225 Difference]: With dead ends: 53 [2022-11-20 12:08:45,473 INFO L226 Difference]: Without dead ends: 51 [2022-11-20 12:08:45,475 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 [2022-11-20 12:08:45,477 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 103 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 [2022-11-20 12:08:45,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 103 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:45,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-20 12:08:45,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-20 12:08:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 42 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:08:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-11-20 12:08:45,498 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 33 [2022-11-20 12:08:45,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:45,499 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-11-20 12:08:45,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-20 12:08:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-11-20 12:08:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 12:08:45,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:45,501 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:45,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:08:45,501 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:08:45,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:45,502 INFO L85 PathProgramCache]: Analyzing trace with hash -284591334, now seen corresponding path program 1 times [2022-11-20 12:08:45,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:08:45,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474621281] [2022-11-20 12:08:45,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:45,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:08:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:08:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:08:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 12:08:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:08:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:08:45,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:08:45,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474621281] [2022-11-20 12:08:45,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474621281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:45,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:45,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:08:45,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675738068] [2022-11-20 12:08:45,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:45,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:45,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:08:45,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:45,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:45,603 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 12:08:45,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:45,614 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2022-11-20 12:08:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:45,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-11-20 12:08:45,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:45,616 INFO L225 Difference]: With dead ends: 51 [2022-11-20 12:08:45,616 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:08:45,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:45,617 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:45,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:45,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:08:45,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:08:45,619 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 12:08:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:08:45,620 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-11-20 12:08:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:45,620 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:08:45,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 12:08:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:08:45,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:08:45,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 12:08:45,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 12:08:45,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 12:08:45,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 12:08:45,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 12:08:45,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 12:08:45,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 12:08:45,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 12:08:45,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:08:45,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:08:45,732 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 12:08:45,732 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 12:08:45,733 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 12:08:45,733 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 12:08:45,733 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 12:08:45,733 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 12:08:45,733 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 12:08:45,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2022-11-20 12:08:45,734 INFO L899 garLoopResultBuilder]: For program point L1654(lines 1654 1660) no Hoare annotation was computed. [2022-11-20 12:08:45,734 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1601) no Hoare annotation was computed. [2022-11-20 12:08:45,734 INFO L899 garLoopResultBuilder]: For program point L1588-2(lines 1585 1615) no Hoare annotation was computed. [2022-11-20 12:08:45,734 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (and (= ~globalFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (= ~globalTrue~0 1)) [2022-11-20 12:08:45,735 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1566 1582) no Hoare annotation was computed. [2022-11-20 12:08:45,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed. [2022-11-20 12:08:45,735 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1581) no Hoare annotation was computed. [2022-11-20 12:08:45,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2022-11-20 12:08:45,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:08:45,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:08:45,736 INFO L895 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: false [2022-11-20 12:08:45,736 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-11-20 12:08:45,736 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-20 12:08:45,736 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-11-20 12:08:45,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2022-11-20 12:08:45,737 INFO L895 garLoopResultBuilder]: At program point L1664(line 1664) the Hoare annotation is: (and (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2022-11-20 12:08:45,737 INFO L899 garLoopResultBuilder]: For program point L1664-1(line 1664) no Hoare annotation was computed. [2022-11-20 12:08:45,737 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-11-20 12:08:45,737 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483646) (= ~globalFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) (= ~globalTrue~0 1)) [2022-11-20 12:08:45,738 INFO L899 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2022-11-20 12:08:45,738 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1592 1599) no Hoare annotation was computed. [2022-11-20 12:08:45,738 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-20 12:08:45,738 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-20 12:08:45,738 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2022-11-20 12:08:45,739 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-20 12:08:45,739 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1636) no Hoare annotation was computed. [2022-11-20 12:08:45,739 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1644) no Hoare annotation was computed. [2022-11-20 12:08:45,739 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (= ~globalFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) (= ~globalTrue~0 1)) [2022-11-20 12:08:45,739 INFO L899 garLoopResultBuilder]: For program point L1641-2(lines 1638 1653) no Hoare annotation was computed. [2022-11-20 12:08:45,740 INFO L895 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: (= ~globalTrue~0 1) [2022-11-20 12:08:45,740 INFO L895 garLoopResultBuilder]: At program point L1633(line 1633) the Hoare annotation is: (and (= ~globalFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) (= ~globalTrue~0 1)) [2022-11-20 12:08:45,740 INFO L899 garLoopResultBuilder]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2022-11-20 12:08:45,740 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1599) no Hoare annotation was computed. [2022-11-20 12:08:45,740 INFO L895 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: (= ~globalTrue~0 1) [2022-11-20 12:08:45,741 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1615) no Hoare annotation was computed. [2022-11-20 12:08:45,741 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (and (= ~globalFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (= ~globalTrue~0 1)) [2022-11-20 12:08:45,741 INFO L895 garLoopResultBuilder]: At program point L1667(lines 1661 1668) the Hoare annotation is: (= ~globalTrue~0 1) [2022-11-20 12:08:45,741 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-11-20 12:08:45,741 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:08:45,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-11-20 12:08:45,742 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2022-11-20 12:08:45,742 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1583) no Hoare annotation was computed. [2022-11-20 12:08:45,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:08:45,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-11-20 12:08:45,743 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2022-11-20 12:08:45,743 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483646) (= ~globalFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (= ~globalTrue~0 1)) [2022-11-20 12:08:45,743 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-11-20 12:08:45,743 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1627) no Hoare annotation was computed. [2022-11-20 12:08:45,743 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1617 1636) no Hoare annotation was computed. [2022-11-20 12:08:45,744 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (and (= ~globalFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) (= ~globalTrue~0 1)) [2022-11-20 12:08:45,744 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed. [2022-11-20 12:08:45,744 INFO L899 garLoopResultBuilder]: For program point L1637(lines 1637 1653) no Hoare annotation was computed. [2022-11-20 12:08:45,744 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1613) no Hoare annotation was computed. [2022-11-20 12:08:45,748 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:45,750 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:08:45,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:08:45 BoogieIcfgContainer [2022-11-20 12:08:45,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:08:45,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:08:45,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:08:45,765 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:08:45,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:08:43" (3/4) ... [2022-11-20 12:08:45,769 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:08:45,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 12:08:45,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 12:08:45,788 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 12:08:45,788 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 12:08:45,789 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:08:45,789 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:08:45,790 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:08:45,855 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:08:45,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:08:45,856 INFO L158 Benchmark]: Toolchain (without parser) took 4414.41ms. Allocated memory is still 184.5MB. Free memory was 139.3MB in the beginning and 99.9MB in the end (delta: 39.4MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2022-11-20 12:08:45,856 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 184.5MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:08:45,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.82ms. Allocated memory is still 184.5MB. Free memory was 139.3MB in the beginning and 77.2MB in the end (delta: 62.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 12:08:45,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.78ms. Allocated memory is still 184.5MB. Free memory was 77.2MB in the beginning and 74.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:08:45,857 INFO L158 Benchmark]: Boogie Preprocessor took 27.61ms. Allocated memory is still 184.5MB. Free memory was 74.2MB in the beginning and 72.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:08:45,857 INFO L158 Benchmark]: RCFGBuilder took 608.15ms. Allocated memory is still 184.5MB. Free memory was 72.2MB in the beginning and 56.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:08:45,858 INFO L158 Benchmark]: TraceAbstraction took 2035.59ms. Allocated memory is still 184.5MB. Free memory was 154.6MB in the beginning and 104.1MB in the end (delta: 50.5MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-11-20 12:08:45,858 INFO L158 Benchmark]: Witness Printer took 89.93ms. Allocated memory is still 184.5MB. Free memory was 104.1MB in the beginning and 99.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:08:45,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 184.5MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.82ms. Allocated memory is still 184.5MB. Free memory was 139.3MB in the beginning and 77.2MB in the end (delta: 62.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.78ms. Allocated memory is still 184.5MB. Free memory was 77.2MB in the beginning and 74.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.61ms. Allocated memory is still 184.5MB. Free memory was 74.2MB in the beginning and 72.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.15ms. Allocated memory is still 184.5MB. Free memory was 72.2MB in the beginning and 56.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2035.59ms. Allocated memory is still 184.5MB. Free memory was 154.6MB in the beginning and 104.1MB in the end (delta: 50.5MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Witness Printer took 89.93ms. Allocated memory is still 184.5MB. Free memory was 104.1MB in the beginning and 99.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 233 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 766 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 508 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 47 PreInvPairs, 56 NumberOfFragments, 130 HoareAnnotationTreeSize, 47 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 36/36 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: 1661]: Loop Invariant Derived loop invariant: globalTrue == 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:08:45,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9005f5cc-4561-4c28-a501-09b391629861/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE