./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_13_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_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/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_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/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_60583a65-dabb-4d4c-b2fe-a602a00835fd/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 dfeb487d17793275cc8e7428ab2afde196b4f2aeed0429cf92ffa906b791329e --- 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 10:44:41,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:44:41,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:44:41,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:44:41,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:44:41,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:44:41,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:44:41,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:44:41,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:44:41,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:44:41,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:44:41,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:44:41,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:44:41,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:44:41,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:44:41,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:44:41,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:44:41,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:44:41,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:44:41,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:44:41,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:44:41,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:44:41,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:44:41,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:44:41,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:44:41,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:44:41,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:44:41,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:44:41,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:44:41,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:44:41,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:44:41,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:44:41,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:44:41,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:44:41,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:44:41,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:44:41,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:44:41,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:44:41,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:44:41,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:44:41,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:44:41,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 10:44:41,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:44:41,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:44:41,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:44:41,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:44:41,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:44:41,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:44:41,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:44:41,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:44:41,681 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:44:41,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:44:41,682 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:44:41,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:44:41,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:44:41,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:44:41,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:44:41,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:44:41,683 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:44:41,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:44:41,683 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:44:41,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:44:41,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:44:41,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:44:41,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:44:41,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:44:41,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:44:41,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:44:41,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:44:41,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:44:41,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:44:41,685 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:44:41,686 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:44:41,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:44:41,686 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_60583a65-dabb-4d4c-b2fe-a602a00835fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfeb487d17793275cc8e7428ab2afde196b4f2aeed0429cf92ffa906b791329e [2022-11-20 10:44:41,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:44:41,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:44:42,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:44:42,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:44:42,002 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:44:42,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_13_bad.i [2022-11-20 10:44:45,027 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:44:45,451 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:44:45,451 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_13_bad.i [2022-11-20 10:44:45,470 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/data/32b84bcaf/fef21806987b48809bdb587994d1d7c9/FLAGdb7e35d09 [2022-11-20 10:44:45,634 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/data/32b84bcaf/fef21806987b48809bdb587994d1d7c9 [2022-11-20 10:44:45,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:44:45,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:44:45,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:44:45,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:44:45,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:44:45,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:45" (1/1) ... [2022-11-20 10:44:45,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3526f9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:45, skipping insertion in model container [2022-11-20 10:44:45,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:45" (1/1) ... [2022-11-20 10:44:45,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:44:45,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:44:46,137 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:44:46,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:44:46,761 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:44:46,800 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:44:46,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:44:47,048 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:44:47,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47 WrapperNode [2022-11-20 10:44:47,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:44:47,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:44:47,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:44:47,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:44:47,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,100 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-20 10:44:47,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:44:47,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:44:47,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:44:47,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:44:47,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:44:47,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:44:47,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:44:47,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:44:47,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2022-11-20 10:44:47,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:44:47,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:44:47,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:44:47,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:44:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 10:44:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 10:44:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 10:44:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:44:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 10:44:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:44:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:44:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:44:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:44:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 10:44:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:44:47,395 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:44:47,397 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:44:47,607 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:44:47,613 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:44:47,622 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:44:47,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:44:47 BoogieIcfgContainer [2022-11-20 10:44:47,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:44:47,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:44:47,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:44:47,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:44:47,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:44:45" (1/3) ... [2022-11-20 10:44:47,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5737d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:44:47, skipping insertion in model container [2022-11-20 10:44:47,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (2/3) ... [2022-11-20 10:44:47,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5737d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:44:47, skipping insertion in model container [2022-11-20 10:44:47,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:44:47" (3/3) ... [2022-11-20 10:44:47,647 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_13_bad.i [2022-11-20 10:44:47,666 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:44:47,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 10:44:47,714 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:44:47,721 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;@32c642e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:44:47,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 10:44:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 10:44:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 10:44:47,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:47,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:47,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 10:44:47,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:47,742 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-11-20 10:44:47,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:44:47,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594769575] [2022-11-20 10:44:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:47,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:44:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:44:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:44:48,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:44:48,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594769575] [2022-11-20 10:44:48,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594769575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:44:48,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:44:48,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:44:48,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077807955] [2022-11-20 10:44:48,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:48,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:44:48,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:44:48,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:44:48,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:44:48,080 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:44:48,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:48,128 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-20 10:44:48,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:44:48,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-20 10:44:48,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:48,137 INFO L225 Difference]: With dead ends: 40 [2022-11-20 10:44:48,138 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 10:44:48,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:44:48,144 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:48,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:44:48,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 10:44:48,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-20 10:44:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:44:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-20 10:44:48,183 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-11-20 10:44:48,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:48,185 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-20 10:44:48,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:44:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 10:44:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 10:44:48,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:48,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:48,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:44:48,188 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 10:44:48,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:48,189 INFO L85 PathProgramCache]: Analyzing trace with hash -104588099, now seen corresponding path program 1 times [2022-11-20 10:44:48,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:44:48,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128945982] [2022-11-20 10:44:48,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:48,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:44:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:44:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:44:48,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:44:48,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128945982] [2022-11-20 10:44:48,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128945982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:44:48,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:44:48,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:44:48,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432016419] [2022-11-20 10:44:48,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:48,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:44:48,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:44:48,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:44:48,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:44:48,396 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:44:48,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:48,405 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-11-20 10:44:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:44:48,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-20 10:44:48,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:48,407 INFO L225 Difference]: With dead ends: 17 [2022-11-20 10:44:48,407 INFO L226 Difference]: Without dead ends: 16 [2022-11-20 10:44:48,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:44:48,408 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:48,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:44:48,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-20 10:44:48,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-20 10:44:48,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:44:48,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-20 10:44:48,414 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2022-11-20 10:44:48,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:48,415 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-20 10:44:48,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:44:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 10:44:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 10:44:48,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:48,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:48,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:44:48,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 10:44:48,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:48,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-11-20 10:44:48,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:44:48,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389140176] [2022-11-20 10:44:48,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:48,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:44:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:44:48,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:44:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:44:48,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:44:48,484 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:44:48,486 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 10:44:48,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 10:44:48,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:44:48,492 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 10:44:48,496 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:44:48,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:44:48 BoogieIcfgContainer [2022-11-20 10:44:48,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:44:48,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:44:48,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:44:48,555 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:44:48,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:44:47" (3/4) ... [2022-11-20 10:44:48,560 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:44:48,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:44:48,563 INFO L158 Benchmark]: Toolchain (without parser) took 2925.60ms. Allocated memory is still 157.3MB. Free memory was 120.4MB in the beginning and 104.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-20 10:44:48,564 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:44:48,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1410.79ms. Allocated memory is still 157.3MB. Free memory was 120.4MB in the beginning and 110.5MB in the end (delta: 9.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2022-11-20 10:44:48,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.43ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 107.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:44:48,570 INFO L158 Benchmark]: Boogie Preprocessor took 49.80ms. Allocated memory is still 157.3MB. Free memory was 107.0MB in the beginning and 105.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:44:48,571 INFO L158 Benchmark]: RCFGBuilder took 462.93ms. Allocated memory is still 157.3MB. Free memory was 105.6MB in the beginning and 92.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:44:48,573 INFO L158 Benchmark]: TraceAbstraction took 924.35ms. Allocated memory is still 157.3MB. Free memory was 92.1MB in the beginning and 105.4MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:44:48,573 INFO L158 Benchmark]: Witness Printer took 8.90ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 104.5MB in the end (delta: 909.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:44:48,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1410.79ms. Allocated memory is still 157.3MB. Free memory was 120.4MB in the beginning and 110.5MB in the end (delta: 9.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.43ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 107.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.80ms. Allocated memory is still 157.3MB. Free memory was 107.0MB in the beginning and 105.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.93ms. Allocated memory is still 157.3MB. Free memory was 105.6MB in the beginning and 92.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 924.35ms. Allocated memory is still 157.3MB. Free memory was 92.1MB in the beginning and 105.4MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.90ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 104.5MB in the end (delta: 909.8kB). 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: 1569]: 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] [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=1073741828, argc=1073741828, argv={1073741827:1073741829}, argv={1073741827:1073741829}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_predec_13_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] COND TRUE GLOBAL_CONST_FIVE==5 [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=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE GLOBAL_CONST_FIVE==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] --data VAL [data=-2147483648, 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: 1569]: 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 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 41 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 10:44:48,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/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_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/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_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/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_60583a65-dabb-4d4c-b2fe-a602a00835fd/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 dfeb487d17793275cc8e7428ab2afde196b4f2aeed0429cf92ffa906b791329e --- 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 10:44:51,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:44:51,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:44:51,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:44:51,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:44:51,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:44:51,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:44:51,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:44:51,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:44:51,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:44:51,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:44:51,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:44:51,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:44:51,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:44:51,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:44:51,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:44:51,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:44:51,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:44:51,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:44:51,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:44:51,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:44:51,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:44:51,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:44:51,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:44:51,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:44:51,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:44:51,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:44:51,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:44:51,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:44:51,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:44:51,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:44:51,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:44:51,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:44:51,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:44:51,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:44:51,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:44:51,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:44:51,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:44:51,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:44:51,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:44:51,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:44:51,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 10:44:51,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:44:51,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:44:51,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:44:51,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:44:51,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:44:51,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:44:51,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:44:51,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:44:51,298 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:44:51,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:44:51,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:44:51,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:44:51,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:44:51,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:44:51,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:44:51,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:44:51,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:44:51,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:44:51,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:44:51,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:44:51,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:44:51,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:44:51,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:44:51,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:44:51,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:44:51,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:44:51,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:44:51,304 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:44:51,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:44:51,305 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:44:51,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:44:51,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:44:51,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:44:51,306 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_60583a65-dabb-4d4c-b2fe-a602a00835fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfeb487d17793275cc8e7428ab2afde196b4f2aeed0429cf92ffa906b791329e [2022-11-20 10:44:51,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:44:51,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:44:51,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:44:51,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:44:51,662 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:44:51,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_13_bad.i [2022-11-20 10:44:54,874 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:44:55,383 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:44:55,383 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_13_bad.i [2022-11-20 10:44:55,416 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/data/85f3e11d4/2da08031f76a470db7d8d78a39374870/FLAGe47150734 [2022-11-20 10:44:55,438 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/data/85f3e11d4/2da08031f76a470db7d8d78a39374870 [2022-11-20 10:44:55,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:44:55,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:44:55,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:44:55,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:44:55,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:44:55,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262ee218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55, skipping insertion in model container [2022-11-20 10:44:55,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:44:55,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:44:56,043 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:44:56,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:44:56,755 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:44:56,776 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:44:56,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:44:57,102 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:44:57,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57 WrapperNode [2022-11-20 10:44:57,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:44:57,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:44:57,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:44:57,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:44:57,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,198 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-11-20 10:44:57,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:44:57,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:44:57,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:44:57,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:44:57,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,252 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:44:57,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:44:57,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:44:57,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:44:57,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (1/1) ... [2022-11-20 10:44:57,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:44:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:44:57,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:44:57,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:44:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 10:44:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 10:44:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 10:44:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:44:57,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:44:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:44:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:44:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:44:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:44:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 10:44:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:44:57,513 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:44:57,515 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:44:57,778 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:44:57,784 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:44:57,784 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:44:57,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:44:57 BoogieIcfgContainer [2022-11-20 10:44:57,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:44:57,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:44:57,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:44:57,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:44:57,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:44:55" (1/3) ... [2022-11-20 10:44:57,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550598ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:44:57, skipping insertion in model container [2022-11-20 10:44:57,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:57" (2/3) ... [2022-11-20 10:44:57,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550598ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:44:57, skipping insertion in model container [2022-11-20 10:44:57,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:44:57" (3/3) ... [2022-11-20 10:44:57,795 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_13_bad.i [2022-11-20 10:44:57,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:44:57,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 10:44:57,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550598ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:44:57, skipping insertion in model container [2022-11-20 10:44:57,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:44:57,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:44:57,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:44:57,819 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:44:57,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:44:57" (3/3) ... [2022-11-20 10:44:57,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:44:57,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 10:44:57,833 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 10:44:57,833 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 10:44:57,834 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 10:44:57,834 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:44:57,873 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:44:57,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:44:57,875 INFO L158 Benchmark]: Toolchain (without parser) took 2430.33ms. Allocated memory is still 109.1MB. Free memory was 83.9MB in the beginning and 59.3MB in the end (delta: 24.6MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-20 10:44:57,878 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:44:57,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1656.25ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 83.8MB in the end (delta: -233.9kB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-11-20 10:44:57,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.11ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 80.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:44:57,882 INFO L158 Benchmark]: Boogie Preprocessor took 62.93ms. Allocated memory is still 109.1MB. Free memory was 80.7MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:44:57,883 INFO L158 Benchmark]: RCFGBuilder took 522.88ms. Allocated memory is still 109.1MB. Free memory was 78.5MB in the beginning and 65.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:44:57,883 INFO L158 Benchmark]: TraceAbstraction took 28.76ms. Allocated memory is still 109.1MB. Free memory was 64.4MB in the beginning and 62.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:44:57,884 INFO L158 Benchmark]: Witness Printer took 55.43ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:44:57,886 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 67.1MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1656.25ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 83.8MB in the end (delta: -233.9kB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.11ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 80.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.93ms. Allocated memory is still 109.1MB. Free memory was 80.7MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.88ms. Allocated memory is still 109.1MB. Free memory was 78.5MB in the beginning and 65.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 28.76ms. Allocated memory is still 109.1MB. Free memory was 64.4MB in the beginning and 62.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 55.43ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). 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 10:44:57,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60583a65-dabb-4d4c-b2fe-a602a00835fd/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