./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:30:56,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:30:56,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:30:56,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:30:56,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:30:56,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:30:56,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:30:56,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:30:56,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:30:56,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:30:56,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:30:56,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:30:56,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:30:56,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:30:56,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:30:56,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:30:56,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:30:56,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:30:56,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:30:56,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:30:56,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:30:56,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:30:56,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:30:56,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:30:56,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:30:56,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:30:56,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:30:56,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:30:56,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:30:56,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:30:56,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:30:56,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:30:56,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:30:56,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:30:56,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:30:56,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:30:56,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:30:56,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:30:56,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:30:56,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:30:56,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:30:56,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 09:30:56,589 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:30:56,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:30:56,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:30:56,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:30:56,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:30:56,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:30:56,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:30:56,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:30:56,612 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:30:56,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:30:56,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:30:56,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:30:56,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:30:56,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:30:56,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:30:56,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:30:56,616 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 09:30:56,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:30:56,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:30:56,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:30:56,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:30:56,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:30:56,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:30:56,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:30:56,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:30:56,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:30:56,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:30:56,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:30:56,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:30:56,620 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:30:56,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:30:56,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:30:56,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 [2022-11-20 09:30:56,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:30:56,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:30:56,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:30:56,980 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:30:56,981 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:30:56,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2022-11-20 09:31:00,566 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:31:00,968 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:31:00,969 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2022-11-20 09:31:00,996 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/data/f423cec8e/cca1c1a0008d4415a47c7778e9bdbce5/FLAGbd84a2b9b [2022-11-20 09:31:01,014 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/data/f423cec8e/cca1c1a0008d4415a47c7778e9bdbce5 [2022-11-20 09:31:01,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:31:01,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:31:01,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:01,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:31:01,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:31:01,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:01" (1/1) ... [2022-11-20 09:31:01,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a65335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:01, skipping insertion in model container [2022-11-20 09:31:01,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:01" (1/1) ... [2022-11-20 09:31:01,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:31:01,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:31:01,553 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:31:02,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:02,377 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:31:02,399 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:31:02,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:02,704 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:31:02,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02 WrapperNode [2022-11-20 09:31:02,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:02,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:02,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:31:02,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:31:02,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,825 INFO L138 Inliner]: procedures = 500, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-11-20 09:31:02,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:02,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:31:02,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:31:02,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:31:02,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:31:02,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:31:02,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:31:02,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:31:02,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (1/1) ... [2022-11-20 09:31:02,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:31:02,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:31:02,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:31:02,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:31:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 09:31:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 09:31:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 09:31:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-20 09:31:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-20 09:31:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 09:31:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 09:31:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:31:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 09:31:02,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:31:02,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:31:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:31:02,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:31:02,984 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 09:31:02,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:31:03,269 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:31:03,272 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:31:03,521 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:31:03,528 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:31:03,529 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:31:03,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:03 BoogieIcfgContainer [2022-11-20 09:31:03,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:31:03,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:31:03,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:31:03,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:31:03,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:31:01" (1/3) ... [2022-11-20 09:31:03,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b66fa39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:03, skipping insertion in model container [2022-11-20 09:31:03,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:02" (2/3) ... [2022-11-20 09:31:03,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b66fa39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:03, skipping insertion in model container [2022-11-20 09:31:03,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:03" (3/3) ... [2022-11-20 09:31:03,557 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2022-11-20 09:31:03,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:31:03,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 09:31:03,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:31:03,673 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;@5d8a68c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:31:03,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 09:31:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 25 states have (on average 1.36) internal successors, (34), 32 states have internal predecessors, (34), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 09:31:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 09:31:03,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:03,692 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:03,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 09:31:03,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:03,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1818116734, now seen corresponding path program 1 times [2022-11-20 09:31:03,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:03,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862895313] [2022-11-20 09:31:03,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:03,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:31:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:04,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 09:31:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:31:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:31:04,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:04,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862895313] [2022-11-20 09:31:04,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862895313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:04,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:04,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:04,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147179534] [2022-11-20 09:31:04,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:04,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:04,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:04,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:04,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:04,399 INFO L87 Difference]: Start difference. First operand has 41 states, 25 states have (on average 1.36) internal successors, (34), 32 states have internal predecessors, (34), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2022-11-20 09:31:04,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:04,492 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2022-11-20 09:31:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:04,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 [2022-11-20 09:31:04,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:04,505 INFO L225 Difference]: With dead ends: 64 [2022-11-20 09:31:04,505 INFO L226 Difference]: Without dead ends: 37 [2022-11-20 09:31:04,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:31:04,513 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 8 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:04,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 150 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:04,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-20 09:31:04,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2022-11-20 09:31:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 25 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 09:31:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2022-11-20 09:31:04,562 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 21 [2022-11-20 09:31:04,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:04,564 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-11-20 09:31:04,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2022-11-20 09:31:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-20 09:31:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 09:31:04,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:04,567 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] [2022-11-20 09:31:04,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:31:04,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 09:31:04,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:04,569 INFO L85 PathProgramCache]: Analyzing trace with hash 527050960, now seen corresponding path program 1 times [2022-11-20 09:31:04,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:04,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389473986] [2022-11-20 09:31:04,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:04,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:31:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 09:31:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:04,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:31:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:31:04,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:04,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389473986] [2022-11-20 09:31:04,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389473986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:04,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:04,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:04,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333017262] [2022-11-20 09:31:04,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:04,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:04,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:04,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:04,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:04,736 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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) [2022-11-20 09:31:04,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:04,810 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-11-20 09:31:04,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:04,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 [2022-11-20 09:31:04,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:04,813 INFO L225 Difference]: With dead ends: 37 [2022-11-20 09:31:04,813 INFO L226 Difference]: Without dead ends: 29 [2022-11-20 09:31:04,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:31:04,815 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:04,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 89 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:31:04,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-20 09:31:04,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-20 09:31:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.263157894736842) internal successors, (24), 23 states have internal predecessors, (24), 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) [2022-11-20 09:31:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-20 09:31:04,824 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 22 [2022-11-20 09:31:04,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:04,824 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-20 09:31:04,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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) [2022-11-20 09:31:04,825 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-20 09:31:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 09:31:04,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:04,827 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] [2022-11-20 09:31:04,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:31:04,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 09:31:04,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:04,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1287491101, now seen corresponding path program 1 times [2022-11-20 09:31:04,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:04,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947043674] [2022-11-20 09:31:04,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:04,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:31:04,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:31:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:31:04,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:31:04,926 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 09:31:04,928 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-20 09:31:04,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-20 09:31:04,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-20 09:31:04,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-20 09:31:04,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:31:04,937 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 09:31:04,942 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:31:04,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:31:04 BoogieIcfgContainer [2022-11-20 09:31:04,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:31:04,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:31:04,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:31:04,984 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:31:04,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:03" (3/4) ... [2022-11-20 09:31:04,989 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:31:04,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:31:04,991 INFO L158 Benchmark]: Toolchain (without parser) took 3971.38ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 127.0MB in the beginning and 181.0MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:04,992 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 176.2MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:04,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1687.23ms. Allocated memory is still 176.2MB. Free memory was 126.8MB in the beginning and 135.5MB in the end (delta: -8.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-11-20 09:31:04,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.63ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 132.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:04,994 INFO L158 Benchmark]: Boogie Preprocessor took 60.59ms. Allocated memory is still 176.2MB. Free memory was 132.5MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:04,995 INFO L158 Benchmark]: RCFGBuilder took 652.76ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 116.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 09:31:04,995 INFO L158 Benchmark]: TraceAbstraction took 1437.27ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 115.7MB in the beginning and 181.0MB in the end (delta: -65.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:04,996 INFO L158 Benchmark]: Witness Printer took 6.35ms. Allocated memory is still 226.5MB. Free memory is still 181.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:04,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 176.2MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1687.23ms. Allocated memory is still 176.2MB. Free memory was 126.8MB in the beginning and 135.5MB in the end (delta: -8.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.63ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 132.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.59ms. Allocated memory is still 176.2MB. Free memory was 132.5MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.76ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 116.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1437.27ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 115.7MB in the beginning and 181.0MB in the end (delta: -65.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.35ms. Allocated memory is still 226.5MB. Free memory is still 181.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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] [L1595] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={5:0}] [L1414] COND TRUE line != ((void *)0) [L1595] RET printLine("Calling bad()...") VAL [\old(argc)=2147483652, argc=2147483652, argv={2147483650:2147483653}, argv={2147483650:2147483653}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1596] CALL CWE190_Integer_Overflow__int_fgets_postinc_12_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 globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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] [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] data++ VAL [data=2147483647, 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1582]: 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 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 239 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 89 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 could not prove your program: unable to determine feasibility of some traces [2022-11-20 09:31:05,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:31:07,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:31:07,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:31:07,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:31:07,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:31:07,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:31:07,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:31:07,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:31:07,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:31:07,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:31:07,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:31:07,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:31:07,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:31:07,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:31:07,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:31:07,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:31:08,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:31:08,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:31:08,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:31:08,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:31:08,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:31:08,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:31:08,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:31:08,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:31:08,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:31:08,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:31:08,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:31:08,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:31:08,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:31:08,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:31:08,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:31:08,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:31:08,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:31:08,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:31:08,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:31:08,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:31:08,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:31:08,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:31:08,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:31:08,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:31:08,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:31:08,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 09:31:08,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:31:08,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:31:08,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:31:08,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:31:08,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:31:08,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:31:08,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:31:08,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:31:08,115 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:31:08,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:31:08,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:31:08,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:31:08,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:31:08,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:31:08,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:31:08,118 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:31:08,118 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:31:08,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:31:08,118 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:31:08,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:31:08,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:31:08,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:31:08,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:31:08,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:31:08,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:31:08,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:31:08,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:31:08,121 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:31:08,121 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:31:08,121 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:31:08,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:31:08,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:31:08,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:31:08,122 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 [2022-11-20 09:31:08,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:31:08,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:31:08,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:31:08,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:31:08,615 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:31:08,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2022-11-20 09:31:12,099 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:31:12,566 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:31:12,567 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2022-11-20 09:31:12,591 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/data/f13f36f55/2531098bafc44500823f35fb643a5519/FLAG25496c376 [2022-11-20 09:31:12,611 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/data/f13f36f55/2531098bafc44500823f35fb643a5519 [2022-11-20 09:31:12,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:31:12,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:31:12,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:12,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:31:12,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:31:12,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:12" (1/1) ... [2022-11-20 09:31:12,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f1d99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:12, skipping insertion in model container [2022-11-20 09:31:12,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:12" (1/1) ... [2022-11-20 09:31:12,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:31:12,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:31:13,309 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:31:14,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:14,256 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:31:14,293 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:31:14,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:14,665 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:31:14,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14 WrapperNode [2022-11-20 09:31:14,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:14,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:14,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:31:14,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:31:14,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,773 INFO L138 Inliner]: procedures = 505, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-11-20 09:31:14,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:14,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:31:14,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:31:14,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:31:14,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,840 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:31:14,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:31:14,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:31:14,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:31:14,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (1/1) ... [2022-11-20 09:31:14,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:31:14,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:31:14,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:31:14,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:31:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 09:31:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 09:31:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 09:31:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-20 09:31:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-20 09:31:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 09:31:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 09:31:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:31:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:31:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:31:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:31:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:31:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:31:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 09:31:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 09:31:15,131 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:31:15,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:31:15,341 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:31:15,349 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:31:15,349 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:31:15,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:15 BoogieIcfgContainer [2022-11-20 09:31:15,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:31:15,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:31:15,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:31:15,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:31:15,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:31:12" (1/3) ... [2022-11-20 09:31:15,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8564b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:15, skipping insertion in model container [2022-11-20 09:31:15,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:14" (2/3) ... [2022-11-20 09:31:15,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8564b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:15, skipping insertion in model container [2022-11-20 09:31:15,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:15" (3/3) ... [2022-11-20 09:31:15,377 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2022-11-20 09:31:15,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:31:15,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 09:31:15,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8564b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:31:15, skipping insertion in model container [2022-11-20 09:31:15,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:31:15,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:31:15,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:31:15,403 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:31:15,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:15" (3/3) ... [2022-11-20 09:31:15,407 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:31:15,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 09:31:15,417 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-20 09:31:15,417 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 09:31:15,422 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 09:31:15,422 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 09:31:15,423 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 09:31:15,423 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:31:15,483 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:31:15,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:31:15,485 INFO L158 Benchmark]: Toolchain (without parser) took 2868.32ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 54.4MB in the end (delta: -13.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-20 09:31:15,486 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:15,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2049.10ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 40.6MB in the beginning and 56.2MB in the end (delta: -15.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-11-20 09:31:15,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.81ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 53.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:31:15,488 INFO L158 Benchmark]: Boogie Preprocessor took 82.79ms. Allocated memory is still 88.1MB. Free memory was 53.0MB in the beginning and 51.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:15,489 INFO L158 Benchmark]: RCFGBuilder took 508.12ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 59.9MB in the end (delta: -8.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:15,489 INFO L158 Benchmark]: TraceAbstraction took 31.87ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 57.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:15,490 INFO L158 Benchmark]: Witness Printer took 80.66ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 54.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:15,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2049.10ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 40.6MB in the beginning and 56.2MB in the end (delta: -15.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.81ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 53.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.79ms. Allocated memory is still 88.1MB. Free memory was 53.0MB in the beginning and 51.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.12ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 59.9MB in the end (delta: -8.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 31.87ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 57.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 80.66ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 54.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-20 09:31:15,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d369497b-488b-4787-aab8-d04699226e73/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE