./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS --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 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 --- 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-4e7fbc6 [2022-11-23 02:37:16,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:37:16,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:37:16,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:37:16,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:37:16,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:37:16,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:37:16,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:37:16,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:37:16,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:37:16,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:37:16,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:37:16,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:37:16,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:37:16,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:37:16,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:37:16,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:37:16,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:37:16,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:37:16,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:37:16,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:37:16,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:37:16,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:37:16,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:37:16,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:37:16,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:37:16,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:37:16,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:37:16,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:37:16,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:37:16,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:37:16,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:37:16,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:37:16,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:37:16,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:37:16,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:37:16,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:37:16,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:37:16,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:37:16,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:37:16,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:37:16,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 02:37:16,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:37:16,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:37:16,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:37:16,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:37:16,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:37:16,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:37:16,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:37:16,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:37:16,961 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:37:16,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:37:16,962 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:37:16,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:37:16,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:37:16,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:37:16,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:37:16,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:37:16,964 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:37:16,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:37:16,964 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:37:16,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:37:16,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:37:16,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:37:16,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:37:16,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:37:16,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:37:16,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:37:16,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:37:16,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:37:16,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:37:16,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:37:16,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:37:16,968 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:37:16,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:37:16,969 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 [2022-11-23 02:37:17,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:37:17,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:37:17,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:37:17,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:37:17,327 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:37:17,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2022-11-23 02:37:21,016 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:37:21,479 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:37:21,480 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2022-11-23 02:37:21,518 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/data/322159c29/f280d340f77e457f8b549d13c95a27cd/FLAGfd1812a2a [2022-11-23 02:37:21,535 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/data/322159c29/f280d340f77e457f8b549d13c95a27cd [2022-11-23 02:37:21,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:37:21,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:37:21,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:37:21,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:37:21,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:37:21,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:21" (1/1) ... [2022-11-23 02:37:21,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624bfc7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:21, skipping insertion in model container [2022-11-23 02:37:21,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:21" (1/1) ... [2022-11-23 02:37:21,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:37:21,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:37:22,074 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:37:22,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:37:22,763 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:37:22,785 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:37:22,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:37:23,083 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:37:23,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23 WrapperNode [2022-11-23 02:37:23,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:37:23,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:37:23,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:37:23,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:37:23,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,189 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-23 02:37:23,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:37:23,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:37:23,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:37:23,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:37:23,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,235 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:37:23,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:37:23,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:37:23,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:37:23,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (1/1) ... [2022-11-23 02:37:23,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:37:23,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:37:23,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:37:23,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:37:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 02:37:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 02:37:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-23 02:37:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-23 02:37:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:37:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:37:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:37:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 02:37:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:37:23,647 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:37:23,650 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:37:23,912 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:37:23,919 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:37:23,920 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:37:23,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:23 BoogieIcfgContainer [2022-11-23 02:37:23,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:37:23,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:37:23,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:37:23,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:37:23,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:37:21" (1/3) ... [2022-11-23 02:37:23,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6eca3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:37:23, skipping insertion in model container [2022-11-23 02:37:23,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:23" (2/3) ... [2022-11-23 02:37:23,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6eca3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:37:23, skipping insertion in model container [2022-11-23 02:37:23,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:23" (3/3) ... [2022-11-23 02:37:23,935 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2022-11-23 02:37:23,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:37:23,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 02:37:24,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:37:24,031 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;@38c70b2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:37:24,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 02:37:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 02:37:24,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 02:37:24,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:37:24,051 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:37:24,052 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 02:37:24,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:37:24,061 INFO L85 PathProgramCache]: Analyzing trace with hash -641348316, now seen corresponding path program 1 times [2022-11-23 02:37:24,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:37:24,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463322132] [2022-11-23 02:37:24,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:24,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:37:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:37:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:24,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:37:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:37:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 02:37:24,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:37:24,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463322132] [2022-11-23 02:37:24,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463322132] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:37:24,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702140804] [2022-11-23 02:37:24,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:24,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:37:24,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:37:24,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:37:24,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 02:37:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:24,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:37:24,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:37:24,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 02:37:24,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:37:24,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702140804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:37:24,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:37:24,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 02:37:24,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586613629] [2022-11-23 02:37:24,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:37:24,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:37:24,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:37:24,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:37:24,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:37:24,886 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:37:24,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:37:24,933 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2022-11-23 02:37:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:37:24,945 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-11-23 02:37:24,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:37:24,952 INFO L225 Difference]: With dead ends: 43 [2022-11-23 02:37:24,952 INFO L226 Difference]: Without dead ends: 28 [2022-11-23 02:37:24,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:37:24,960 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 11 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 60 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 [2022-11-23 02:37:24,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 60 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:37:24,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-23 02:37:25,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-11-23 02:37:25,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 02:37:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-23 02:37:25,014 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 21 [2022-11-23 02:37:25,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:37:25,018 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-23 02:37:25,018 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:37:25,019 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-23 02:37:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 02:37:25,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:37:25,021 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:37:25,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:37:25,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 02:37:25,230 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 02:37:25,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:37:25,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1593038750, now seen corresponding path program 1 times [2022-11-23 02:37:25,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:37:25,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690347235] [2022-11-23 02:37:25,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:25,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:37:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:25,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:37:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:37:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:25,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:37:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 02:37:25,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:37:25,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690347235] [2022-11-23 02:37:25,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690347235] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:37:25,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702424066] [2022-11-23 02:37:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:25,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:37:25,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:37:25,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:37:25,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 02:37:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:25,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:37:25,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:37:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 02:37:25,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:37:25,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702424066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:37:25,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:37:25,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 02:37:25,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508237968] [2022-11-23 02:37:25,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:37:25,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:37:25,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:37:25,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:37:25,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:37:25,622 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:37:25,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:37:25,636 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-11-23 02:37:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:37:25,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-23 02:37:25,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:37:25,639 INFO L225 Difference]: With dead ends: 29 [2022-11-23 02:37:25,639 INFO L226 Difference]: Without dead ends: 23 [2022-11-23 02:37:25,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:37:25,641 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 41 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 [2022-11-23 02:37:25,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 41 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:37:25,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-23 02:37:25,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-23 02:37:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 02:37:25,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-11-23 02:37:25,648 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 22 [2022-11-23 02:37:25,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:37:25,649 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-23 02:37:25,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:37:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-23 02:37:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 02:37:25,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:37:25,651 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:37:25,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 02:37:25,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:37:25,859 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 02:37:25,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:37:25,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2020647561, now seen corresponding path program 1 times [2022-11-23 02:37:25,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:37:25,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778011858] [2022-11-23 02:37:25,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:25,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:37:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:37:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:37:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 02:37:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 02:37:26,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:37:26,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778011858] [2022-11-23 02:37:26,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778011858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:37:26,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:37:26,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:37:26,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363211001] [2022-11-23 02:37:26,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:37:26,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:37:26,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:37:26,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:37:26,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:37:26,122 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:37:26,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:37:26,141 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-23 02:37:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:37:26,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-11-23 02:37:26,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:37:26,144 INFO L225 Difference]: With dead ends: 23 [2022-11-23 02:37:26,144 INFO L226 Difference]: Without dead ends: 22 [2022-11-23 02:37:26,145 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 [2022-11-23 02:37:26,152 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 34 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 [2022-11-23 02:37:26,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:37:26,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-23 02:37:26,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-23 02:37:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 02:37:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-11-23 02:37:26,172 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 23 [2022-11-23 02:37:26,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:37:26,173 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-23 02:37:26,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:37:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-23 02:37:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 02:37:26,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:37:26,175 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:37:26,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:37:26,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 02:37:26,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:37:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1784434983, now seen corresponding path program 1 times [2022-11-23 02:37:26,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:37:26,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740818220] [2022-11-23 02:37:26,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:26,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:37:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:37:26,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:37:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:37:26,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:37:26,352 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:37:26,354 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 02:37:26,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 02:37:26,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:37:26,361 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 02:37:26,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:37:26,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:37:26 BoogieIcfgContainer [2022-11-23 02:37:26,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:37:26,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:37:26,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:37:26,411 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:37:26,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:23" (3/4) ... [2022-11-23 02:37:26,416 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 02:37:26,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:37:26,417 INFO L158 Benchmark]: Toolchain (without parser) took 4873.02ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 72.4MB in the beginning and 62.0MB in the end (delta: 10.4MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2022-11-23 02:37:26,418 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:37:26,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1537.58ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 72.0MB in the beginning and 113.4MB in the end (delta: -41.4MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-11-23 02:37:26,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.13ms. Allocated memory is still 174.1MB. Free memory was 113.4MB in the beginning and 110.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:37:26,420 INFO L158 Benchmark]: Boogie Preprocessor took 51.40ms. Allocated memory is still 174.1MB. Free memory was 110.1MB in the beginning and 108.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:37:26,420 INFO L158 Benchmark]: RCFGBuilder took 667.19ms. Allocated memory is still 174.1MB. Free memory was 108.9MB in the beginning and 94.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 02:37:26,421 INFO L158 Benchmark]: TraceAbstraction took 2484.66ms. Allocated memory is still 174.1MB. Free memory was 94.2MB in the beginning and 63.0MB in the end (delta: 31.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2022-11-23 02:37:26,421 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 174.1MB. Free memory was 63.0MB in the beginning and 62.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:37:26,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1537.58ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 72.0MB in the beginning and 113.4MB in the end (delta: -41.4MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.13ms. Allocated memory is still 174.1MB. Free memory was 113.4MB in the beginning and 110.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.40ms. Allocated memory is still 174.1MB. Free memory was 110.1MB in the beginning and 108.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.19ms. Allocated memory is still 174.1MB. Free memory was 108.9MB in the beginning and 94.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2484.66ms. Allocated memory is still 174.1MB. Free memory was 94.2MB in the beginning and 63.0MB in the end (delta: 31.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 174.1MB. Free memory was 63.0MB in the beginning and 62.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [#in~argv={6442450945:6442450947}, argc=6442450946, argv={6442450945:6442450947}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=6442450946] [L1569] CALL CWE190_Integer_Overflow__int_rand_preinc_11_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=5, rand()=196608, rand()=4, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=6442450943] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 85 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 11/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 02:37:26,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS --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 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 --- 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-4e7fbc6 [2022-11-23 02:37:29,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:37:29,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:37:29,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:37:29,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:37:29,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:37:29,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:37:29,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:37:29,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:37:29,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:37:29,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:37:29,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:37:29,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:37:29,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:37:29,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:37:29,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:37:29,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:37:29,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:37:29,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:37:29,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:37:29,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:37:29,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:37:29,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:37:29,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:37:29,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:37:29,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:37:29,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:37:29,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:37:29,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:37:29,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:37:29,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:37:29,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:37:29,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:37:29,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:37:29,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:37:29,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:37:29,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:37:29,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:37:29,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:37:29,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:37:29,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:37:29,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-23 02:37:29,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:37:29,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:37:29,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:37:29,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:37:29,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:37:29,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:37:29,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:37:29,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:37:29,459 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:37:29,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:37:29,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:37:29,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:37:29,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:37:29,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:37:29,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:37:29,460 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 02:37:29,460 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 02:37:29,461 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:37:29,461 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 02:37:29,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:37:29,461 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:37:29,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:37:29,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:37:29,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:37:29,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:37:29,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:37:29,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:37:29,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:37:29,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:37:29,467 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 02:37:29,467 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 02:37:29,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:37:29,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:37:29,468 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:37:29,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:37:29,468 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 02:37:29,470 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 [2022-11-23 02:37:29,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:37:30,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:37:30,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:37:30,015 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:37:30,018 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:37:30,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2022-11-23 02:37:33,843 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:37:34,280 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:37:34,281 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2022-11-23 02:37:34,306 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/data/c3fc0811e/c4d1750653234ded80a4126d5e6d3ed2/FLAG26937b1fe [2022-11-23 02:37:34,330 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/data/c3fc0811e/c4d1750653234ded80a4126d5e6d3ed2 [2022-11-23 02:37:34,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:37:34,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:37:34,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:37:34,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:37:34,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:37:34,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:34" (1/1) ... [2022-11-23 02:37:34,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3340f39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:34, skipping insertion in model container [2022-11-23 02:37:34,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:34" (1/1) ... [2022-11-23 02:37:34,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:37:34,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:37:35,018 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:37:35,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:37:35,946 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:37:35,971 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:37:36,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:37:36,214 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:37:36,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36 WrapperNode [2022-11-23 02:37:36,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:37:36,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:37:36,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:37:36,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:37:36,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,300 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-11-23 02:37:36,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:37:36,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:37:36,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:37:36,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:37:36,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,377 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:37:36,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:37:36,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:37:36,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:37:36,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (1/1) ... [2022-11-23 02:37:36,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:37:36,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:37:36,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:37:36,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:37:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 02:37:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 02:37:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-23 02:37:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-23 02:37:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 02:37:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:37:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:37:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:37:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 02:37:36,731 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:37:36,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:37:36,948 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:37:36,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:37:36,961 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:37:36,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:36 BoogieIcfgContainer [2022-11-23 02:37:36,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:37:36,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:37:36,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:37:36,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:37:36,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:37:34" (1/3) ... [2022-11-23 02:37:36,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca88eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:37:36, skipping insertion in model container [2022-11-23 02:37:36,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:36" (2/3) ... [2022-11-23 02:37:36,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca88eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:37:36, skipping insertion in model container [2022-11-23 02:37:36,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:36" (3/3) ... [2022-11-23 02:37:36,975 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2022-11-23 02:37:37,000 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:37:37,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 02:37:37,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:37:37,120 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;@6816d0e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:37:37,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 02:37:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 02:37:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 02:37:37,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:37:37,140 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:37:37,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 02:37:37,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:37:37,151 INFO L85 PathProgramCache]: Analyzing trace with hash -894708504, now seen corresponding path program 1 times [2022-11-23 02:37:37,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 02:37:37,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244387697] [2022-11-23 02:37:37,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:37,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:37:37,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 02:37:37,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 02:37:37,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 02:37:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:37,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 02:37:37,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:37:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 02:37:37,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:37:37,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 02:37:37,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244387697] [2022-11-23 02:37:37,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [244387697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:37:37,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:37:37,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 02:37:37,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952979459] [2022-11-23 02:37:37,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:37:37,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 02:37:37,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 02:37:37,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 02:37:37,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 02:37:37,531 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-23 02:37:37,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:37:37,552 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2022-11-23 02:37:37,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 02:37:37,555 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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 19 [2022-11-23 02:37:37,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:37:37,563 INFO L225 Difference]: With dead ends: 28 [2022-11-23 02:37:37,564 INFO L226 Difference]: Without dead ends: 20 [2022-11-23 02:37:37,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 02:37:37,571 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:37:37,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:37:37,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-23 02:37:37,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-23 02:37:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 02:37:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-11-23 02:37:37,616 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 19 [2022-11-23 02:37:37,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:37:37,618 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-23 02:37:37,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-23 02:37:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-23 02:37:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 02:37:37,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:37:37,620 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:37:37,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-23 02:37:37,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:37:37,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 02:37:37,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:37:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1966159784, now seen corresponding path program 1 times [2022-11-23 02:37:37,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 02:37:37,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146714129] [2022-11-23 02:37:37,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:37,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:37:37,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 02:37:37,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 02:37:37,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 02:37:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:38,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 02:37:38,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:37:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:37:38,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:37:38,120 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 02:37:38,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146714129] [2022-11-23 02:37:38,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146714129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:37:38,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:37:38,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:37:38,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705798334] [2022-11-23 02:37:38,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:37:38,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:37:38,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 02:37:38,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:37:38,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:37:38,133 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:37:38,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:37:38,171 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-11-23 02:37:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:37:38,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-11-23 02:37:38,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:37:38,173 INFO L225 Difference]: With dead ends: 28 [2022-11-23 02:37:38,174 INFO L226 Difference]: Without dead ends: 20 [2022-11-23 02:37:38,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:37:38,176 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:37:38,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:37:38,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-23 02:37:38,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-23 02:37:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 02:37:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-11-23 02:37:38,183 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 20 [2022-11-23 02:37:38,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:37:38,184 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-11-23 02:37:38,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 02:37:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-23 02:37:38,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 02:37:38,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:37:38,186 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:37:38,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 02:37:38,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:37:38,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 02:37:38,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:37:38,408 INFO L85 PathProgramCache]: Analyzing trace with hash 119673117, now seen corresponding path program 1 times [2022-11-23 02:37:38,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 02:37:38,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337106206] [2022-11-23 02:37:38,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:38,410 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:37:38,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 02:37:38,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 02:37:38,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 02:37:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:37:38,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:37:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:37:38,592 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-23 02:37:38,593 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:37:38,594 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 02:37:38,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 02:37:38,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 02:37:38,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:37:38,827 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 02:37:38,833 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:37:38,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:37:38 BoogieIcfgContainer [2022-11-23 02:37:38,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:37:38,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:37:38,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:37:38,896 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:37:38,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:36" (3/4) ... [2022-11-23 02:37:38,899 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 02:37:38,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:37:38,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:37:38,969 INFO L158 Benchmark]: Toolchain (without parser) took 4633.82ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 33.6MB in the beginning and 61.4MB in the end (delta: -27.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-11-23 02:37:38,969 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 69.2MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:37:38,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1879.10ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 33.4MB in the beginning and 36.8MB in the end (delta: -3.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-23 02:37:38,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.04ms. Allocated memory is still 86.0MB. Free memory was 36.8MB in the beginning and 56.4MB in the end (delta: -19.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:37:38,971 INFO L158 Benchmark]: Boogie Preprocessor took 81.42ms. Allocated memory is still 86.0MB. Free memory was 56.4MB in the beginning and 54.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:37:38,972 INFO L158 Benchmark]: RCFGBuilder took 576.69ms. Allocated memory is still 86.0MB. Free memory was 54.4MB in the beginning and 41.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 02:37:38,972 INFO L158 Benchmark]: TraceAbstraction took 1927.92ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 40.1MB in the beginning and 64.1MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:37:38,973 INFO L158 Benchmark]: Witness Printer took 73.23ms. Allocated memory is still 104.9MB. Free memory was 64.1MB in the beginning and 61.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:37:38,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 69.2MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1879.10ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 33.4MB in the beginning and 36.8MB in the end (delta: -3.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.04ms. Allocated memory is still 86.0MB. Free memory was 36.8MB in the beginning and 56.4MB in the end (delta: -19.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.42ms. Allocated memory is still 86.0MB. Free memory was 56.4MB in the beginning and 54.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 576.69ms. Allocated memory is still 86.0MB. Free memory was 54.4MB in the beginning and 41.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1927.92ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 40.1MB in the beginning and 64.1MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.23ms. Allocated memory is still 104.9MB. Free memory was 64.1MB in the beginning and 61.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=12, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=12] [L1569] CALL CWE190_Integer_Overflow__int_rand_preinc_11_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=32768, rand()=1, rand()=0, rand()=1073741823, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 53 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 109 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 02:37:39,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360843ba-73b5-4b56-9d70-aa2d7a2e5703/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)