./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R --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 9c330d134a6238e98bcfdf1c7e523ec792827bc0809aeb817bc864ccc8310971 --- 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-38b53e6 [2022-11-25 17:51:14,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:51:14,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:51:14,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:51:14,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:51:14,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:51:14,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:51:14,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:51:14,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:51:14,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:51:14,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:51:14,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:51:14,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:51:14,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:51:14,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:51:14,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:51:14,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:51:14,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:51:14,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:51:14,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:51:14,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:51:14,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:51:14,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:51:14,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:51:14,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:51:14,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:51:14,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:51:14,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:51:14,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:51:14,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:51:14,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:51:14,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:51:14,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:51:14,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:51:14,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:51:14,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:51:14,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:51:14,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:51:14,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:51:14,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:51:14,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:51:14,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:51:14,736 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:51:14,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:51:14,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:51:14,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:51:14,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:51:14,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:51:14,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:51:14,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:51:14,740 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:51:14,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:51:14,741 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:51:14,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:51:14,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:51:14,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:51:14,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:51:14,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:51:14,743 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:51:14,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:51:14,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:51:14,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:51:14,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:51:14,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:51:14,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:51:14,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:51:14,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:51:14,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:51:14,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:51:14,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:51:14,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:51:14,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:51:14,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:51:14,747 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:51:14,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:51:14,747 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c330d134a6238e98bcfdf1c7e523ec792827bc0809aeb817bc864ccc8310971 [2022-11-25 17:51:15,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:51:15,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:51:15,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:51:15,081 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:51:15,081 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:51:15,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_good.i [2022-11-25 17:51:18,124 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:51:18,551 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:51:18,553 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_good.i [2022-11-25 17:51:18,588 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/data/d79e7ed76/a62ff9b9f2244386b2a3141e24d48f41/FLAG794143101 [2022-11-25 17:51:18,604 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/data/d79e7ed76/a62ff9b9f2244386b2a3141e24d48f41 [2022-11-25 17:51:18,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:51:18,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:51:18,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:51:18,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:51:18,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:51:18,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d4dd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18, skipping insertion in model container [2022-11-25 17:51:18,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:51:18,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:51:19,103 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:51:19,723 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:51:19,729 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:51:19,731 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:51:19,734 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:51:19,734 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:51:19,762 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:51:19,769 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:51:19,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:51:19,798 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:51:19,818 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:51:19,865 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:51:19,867 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:51:19,868 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:51:19,870 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:51:19,871 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:51:19,876 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:51:19,878 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:51:19,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:51:20,054 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:51:20,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20 WrapperNode [2022-11-25 17:51:20,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:51:20,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:51:20,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:51:20,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:51:20,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,167 INFO L138 Inliner]: procedures = 510, calls = 75, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 79 [2022-11-25 17:51:20,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:51:20,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:51:20,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:51:20,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:51:20,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,197 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:51:20,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:51:20,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:51:20,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:51:20,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (1/1) ... [2022-11-25 17:51:20,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:51:20,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:51:20,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:51:20,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:51:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 17:51:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 17:51:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:51:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:51:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:51:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:51:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:51:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:51:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:51:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:51:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:51:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:51:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:51:20,486 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:51:20,488 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:51:20,762 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:51:20,769 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:51:20,770 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:51:20,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:20 BoogieIcfgContainer [2022-11-25 17:51:20,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:51:20,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:51:20,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:51:20,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:51:20,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:51:18" (1/3) ... [2022-11-25 17:51:20,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9b03e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:20, skipping insertion in model container [2022-11-25 17:51:20,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:20" (2/3) ... [2022-11-25 17:51:20,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9b03e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:20, skipping insertion in model container [2022-11-25 17:51:20,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:20" (3/3) ... [2022-11-25 17:51:20,780 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_54_good.i [2022-11-25 17:51:20,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:51:20,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 17:51:20,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:51:20,860 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;@33893023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:51:20,860 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 17:51:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 39 states have internal predecessors, (40), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 17:51:20,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 17:51:20,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:51:20,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:51:20,874 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)] === [2022-11-25 17:51:20,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:51:20,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1465363227, now seen corresponding path program 1 times [2022-11-25 17:51:20,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:51:20,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474005532] [2022-11-25 17:51:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:51:20,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:51:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:51:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:51:21,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:51:21,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474005532] [2022-11-25 17:51:21,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474005532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:51:21,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:51:21,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:51:21,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901771643] [2022-11-25 17:51:21,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:51:21,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:51:21,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:51:21,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:51:21,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:21,389 INFO L87 Difference]: Start difference. First operand has 44 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 39 states have internal predecessors, (40), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-25 17:51:21,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:51:21,424 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2022-11-25 17:51:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:51:21,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2022-11-25 17:51:21,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:51:21,434 INFO L225 Difference]: With dead ends: 78 [2022-11-25 17:51:21,435 INFO L226 Difference]: Without dead ends: 29 [2022-11-25 17:51:21,438 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 [2022-11-25 17:51:21,442 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 27 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:51:21,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 61 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:51:21,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-25 17:51:21,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-25 17:51:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:51:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-25 17:51:21,481 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 10 [2022-11-25 17:51:21,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:51:21,483 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-25 17:51:21,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-25 17:51:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-25 17:51:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:51:21,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:51:21,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:51:21,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:51:21,486 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)] === [2022-11-25 17:51:21,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:51:21,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1435548092, now seen corresponding path program 1 times [2022-11-25 17:51:21,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:51:21,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578366451] [2022-11-25 17:51:21,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:51:21,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:51:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:51:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:51:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:51:21,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:51:21,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578366451] [2022-11-25 17:51:21,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578366451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:51:21,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:51:21,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:51:21,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434367765] [2022-11-25 17:51:21,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:51:21,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:51:21,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:51:21,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:51:21,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:21,639 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:51:21,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:51:21,658 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-25 17:51:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:51:21,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-25 17:51:21,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:51:21,664 INFO L225 Difference]: With dead ends: 29 [2022-11-25 17:51:21,664 INFO L226 Difference]: Without dead ends: 28 [2022-11-25 17:51:21,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:21,668 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:51:21,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 52 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:51:21,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-25 17:51:21,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-25 17:51:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:51:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-11-25 17:51:21,680 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 25 [2022-11-25 17:51:21,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:51:21,681 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-25 17:51:21,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:51:21,682 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-11-25 17:51:21,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:51:21,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:51:21,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:51:21,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:51:21,685 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:51:21,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:51:21,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1552317810, now seen corresponding path program 1 times [2022-11-25 17:51:21,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:51:21,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555925661] [2022-11-25 17:51:21,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:51:21,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:51:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:51:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:51:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:51:21,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:51:21,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555925661] [2022-11-25 17:51:21,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555925661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:51:21,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:51:21,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:51:21,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533473234] [2022-11-25 17:51:21,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:51:21,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:51:21,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:51:21,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:51:21,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:21,874 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:51:21,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:51:21,895 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-11-25 17:51:21,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:51:21,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-25 17:51:21,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:51:21,897 INFO L225 Difference]: With dead ends: 28 [2022-11-25 17:51:21,897 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:51:21,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:21,907 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:51:21,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:51:21,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:51:21,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:51:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:51:21,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-11-25 17:51:21,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:51:21,910 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:51:21,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:51:21,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:51:21,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:51:21,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 17:51:21,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 17:51:21,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 17:51:21,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 17:51:21,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:51:21,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:51:21,943 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 17:51:21,944 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:51:21,944 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 17:51:21,946 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:51:21,946 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:51:21,947 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 17:51:21,947 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:51:21,947 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-11-25 17:51:21,947 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1637) no Hoare annotation was computed. [2022-11-25 17:51:21,948 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1570) no Hoare annotation was computed. [2022-11-25 17:51:21,948 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1639) no Hoare annotation was computed. [2022-11-25 17:51:21,948 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-25 17:51:21,948 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2022-11-25 17:51:21,948 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1591) no Hoare annotation was computed. [2022-11-25 17:51:21,949 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1624) no Hoare annotation was computed. [2022-11-25 17:51:21,950 INFO L895 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_multiply_54e_goodG2BSink_~data#1|) [2022-11-25 17:51:21,950 INFO L899 garLoopResultBuilder]: For program point L1584-1(line 1584) no Hoare annotation was computed. [2022-11-25 17:51:21,950 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1616) no Hoare annotation was computed. [2022-11-25 17:51:21,950 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:51:21,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1621) no Hoare annotation was computed. [2022-11-25 17:51:21,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:51:21,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:51:21,952 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1596) no Hoare annotation was computed. [2022-11-25 17:51:21,952 INFO L895 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_multiply_54e_goodG2BSink_~data#1|) [2022-11-25 17:51:21,952 INFO L895 garLoopResultBuilder]: At program point L1585(lines 1579 1586) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_multiply_54e_goodG2BSink_~data#1|) [2022-11-25 17:51:21,952 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1621) no Hoare annotation was computed. [2022-11-25 17:51:21,953 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_multiply_54e_goodG2BSink_~data#1|) [2022-11-25 17:51:21,955 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:51:21,955 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 1563 1570) no Hoare annotation was computed. [2022-11-25 17:51:21,955 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-11-25 17:51:21,959 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1601) no Hoare annotation was computed. [2022-11-25 17:51:21,959 INFO L899 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2022-11-25 17:51:21,960 INFO L899 garLoopResultBuilder]: For program point L1627(lines 1627 1638) no Hoare annotation was computed. [2022-11-25 17:51:21,960 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1573) no Hoare annotation was computed. [2022-11-25 17:51:21,960 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1623) no Hoare annotation was computed. [2022-11-25 17:51:21,960 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2022-11-25 17:51:21,960 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2022-11-25 17:51:21,961 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2022-11-25 17:51:21,961 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1578) no Hoare annotation was computed. [2022-11-25 17:51:21,961 INFO L895 garLoopResultBuilder]: At program point L1636(line 1636) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_multiply_54e_goodG2BSink_~data#1|) [2022-11-25 17:51:21,961 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1606) no Hoare annotation was computed. [2022-11-25 17:51:21,962 INFO L895 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_multiply_54e_goodG2BSink_~data#1|) [2022-11-25 17:51:21,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-11-25 17:51:21,962 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1611) no Hoare annotation was computed. [2022-11-25 17:51:21,966 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:51:21,969 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:51:21,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:51:21 BoogieIcfgContainer [2022-11-25 17:51:21,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:51:21,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:51:21,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:51:21,993 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:51:21,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:20" (3/4) ... [2022-11-25 17:51:22,001 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:51:22,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 17:51:22,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 17:51:22,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-25 17:51:22,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 17:51:22,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:51:22,014 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:51:22,054 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:51:22,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:51:22,055 INFO L158 Benchmark]: Toolchain (without parser) took 3447.18ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 123.0MB in the beginning and 142.2MB in the end (delta: -19.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-25 17:51:22,056 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:51:22,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1446.78ms. Allocated memory is still 157.3MB. Free memory was 122.5MB in the beginning and 124.5MB in the end (delta: -2.0MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2022-11-25 17:51:22,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.26ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 121.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:51:22,057 INFO L158 Benchmark]: Boogie Preprocessor took 33.40ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 119.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:51:22,057 INFO L158 Benchmark]: RCFGBuilder took 569.51ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 105.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:51:22,058 INFO L158 Benchmark]: TraceAbstraction took 1218.28ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 104.3MB in the beginning and 145.3MB in the end (delta: -41.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:51:22,058 INFO L158 Benchmark]: Witness Printer took 62.72ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 142.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:51:22,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1446.78ms. Allocated memory is still 157.3MB. Free memory was 122.5MB in the beginning and 124.5MB in the end (delta: -2.0MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.26ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 121.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.40ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 119.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.51ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 105.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1218.28ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 104.3MB in the beginning and 145.3MB in the end (delta: -41.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.72ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 142.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 101 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 17 PreInvPairs, 22 NumberOfFragments, 21 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: 2 == data RESULT: Ultimate proved your program to be correct! [2022-11-25 17:51:22,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33218c3c-d468-48d3-bf4b-c52cf4e102b3/bin/uautomizer-ZsLfNo2U6R/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