./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/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_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/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_374b058f-0499-4ece-bfd6-d57ad3958617/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 b11bfb6752733e78d591457c9b0279a11f997cc80f6508959d8479efcd9d1828 --- 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 16:50:21,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:50:21,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:50:21,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:50:21,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:50:21,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:50:21,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:50:21,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:50:21,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:50:21,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:50:21,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:50:21,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:50:21,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:50:21,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:50:21,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:50:21,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:50:21,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:50:21,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:50:21,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:50:21,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:50:21,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:50:21,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:50:21,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:50:21,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:50:21,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:50:21,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:50:21,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:50:21,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:50:21,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:50:21,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:50:21,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:50:21,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:50:21,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:50:21,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:50:21,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:50:21,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:50:21,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:50:21,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:50:21,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:50:21,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:50:21,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:50:21,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 16:50:21,802 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:50:21,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:50:21,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:50:21,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:50:21,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:50:21,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:50:21,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:50:21,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:50:21,806 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:50:21,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:50:21,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:50:21,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:50:21,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:50:21,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:50:21,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:50:21,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:50:21,808 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:50:21,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:50:21,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:50:21,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:50:21,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:50:21,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:50:21,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:50:21,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:50:21,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:50:21,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:50:21,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:50:21,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:50:21,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:50:21,812 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:50:21,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:50:21,812 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:50:21,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:50:21,813 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_374b058f-0499-4ece-bfd6-d57ad3958617/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b11bfb6752733e78d591457c9b0279a11f997cc80f6508959d8479efcd9d1828 [2022-11-25 16:50:22,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:50:22,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:50:22,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:50:22,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:50:22,184 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:50:22,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_good.i [2022-11-25 16:50:25,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:50:25,628 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:50:25,629 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_good.i [2022-11-25 16:50:25,650 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/data/65b13d593/4db318405667465bb635ab266e462e4f/FLAG8e52a81b6 [2022-11-25 16:50:25,664 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/data/65b13d593/4db318405667465bb635ab266e462e4f [2022-11-25 16:50:25,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:50:25,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:50:25,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:50:25,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:50:25,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:50:25,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:25" (1/1) ... [2022-11-25 16:50:25,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169c1421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:25, skipping insertion in model container [2022-11-25 16:50:25,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:25" (1/1) ... [2022-11-25 16:50:25,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:50:25,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:50:26,144 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:50:26,634 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:50:26,645 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:50:26,647 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:50:26,650 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:50:26,651 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:50:26,679 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 16:50:26,683 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:50:26,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:50:26,699 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:50:26,720 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:50:26,766 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:50:26,767 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:50:26,769 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:50:26,772 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:50:26,772 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:50:26,777 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 16:50:26,779 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:50:26,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:50:26,902 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:50:26,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26 WrapperNode [2022-11-25 16:50:26,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:50:26,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:50:26,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:50:26,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:50:26,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,956 INFO L138 Inliner]: procedures = 505, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 74 [2022-11-25 16:50:26,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:50:26,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:50:26,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:50:26,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:50:26,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,990 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:26,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:50:26,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:50:26,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:50:26,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:50:26,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (1/1) ... [2022-11-25 16:50:27,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:50:27,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:27,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:27,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:50:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 16:50:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 16:50:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 16:50:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:50:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:50:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:50:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 16:50:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:50:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-25 16:50:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-25 16:50:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:50:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:50:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:50:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:50:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:50:27,322 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:50:27,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:50:27,573 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:50:27,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:50:27,579 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:50:27,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:27 BoogieIcfgContainer [2022-11-25 16:50:27,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:50:27,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:50:27,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:50:27,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:50:27,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:50:25" (1/3) ... [2022-11-25 16:50:27,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcbde05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:50:27, skipping insertion in model container [2022-11-25 16:50:27,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:26" (2/3) ... [2022-11-25 16:50:27,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcbde05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:50:27, skipping insertion in model container [2022-11-25 16:50:27,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:27" (3/3) ... [2022-11-25 16:50:27,606 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_65_good.i [2022-11-25 16:50:27,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:50:27,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 16:50:27,714 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:50:27,723 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;@3e3a648a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:50:27,723 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 16:50:27,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 36 states have internal predecessors, (38), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 16:50:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 16:50:27,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:50:27,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:50:27,742 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 16:50:27,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:27,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1831765752, now seen corresponding path program 1 times [2022-11-25 16:50:27,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:27,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372036925] [2022-11-25 16:50:27,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:27,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:50:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,154 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 16:50:28,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:28,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372036925] [2022-11-25 16:50:28,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372036925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:28,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:28,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:50:28,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906086690] [2022-11-25 16:50:28,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:28,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:50:28,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:28,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:50:28,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:50:28,200 INFO L87 Difference]: Start difference. First operand has 44 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 36 states have internal predecessors, (38), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:50:28,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:28,315 INFO L93 Difference]: Finished difference Result 103 states and 130 transitions. [2022-11-25 16:50:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 16:50:28,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 16:50:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:50:28,327 INFO L225 Difference]: With dead ends: 103 [2022-11-25 16:50:28,328 INFO L226 Difference]: Without dead ends: 50 [2022-11-25 16:50:28,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:50:28,334 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 46 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:50:28,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 232 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:50:28,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-25 16:50:28,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2022-11-25 16:50:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.3125) internal successors, (42), 38 states have internal predecessors, (42), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 16:50:28,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2022-11-25 16:50:28,378 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 13 [2022-11-25 16:50:28,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:50:28,379 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2022-11-25 16:50:28,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:50:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-25 16:50:28,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 16:50:28,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:50:28,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:50:28,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:50:28,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 16:50:28,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:28,384 INFO L85 PathProgramCache]: Analyzing trace with hash -950809799, now seen corresponding path program 1 times [2022-11-25 16:50:28,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:28,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911176560] [2022-11-25 16:50:28,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:28,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:50:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,560 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 16:50:28,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:28,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911176560] [2022-11-25 16:50:28,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911176560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:28,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:28,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:50:28,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035562585] [2022-11-25 16:50:28,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:28,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:50:28,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:28,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:50:28,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:50:28,565 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:50:28,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:28,669 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2022-11-25 16:50:28,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 16:50:28,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 16:50:28,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:50:28,671 INFO L225 Difference]: With dead ends: 73 [2022-11-25 16:50:28,671 INFO L226 Difference]: Without dead ends: 47 [2022-11-25 16:50:28,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:50:28,673 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 33 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:50:28,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 148 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:50:28,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-25 16:50:28,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2022-11-25 16:50:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.1875) internal successors, (38), 36 states have internal predecessors, (38), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 16:50:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-11-25 16:50:28,682 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 14 [2022-11-25 16:50:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:50:28,683 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-11-25 16:50:28,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:50:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-11-25 16:50:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 16:50:28,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:50:28,685 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:50:28,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:50:28,686 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 16:50:28,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:28,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1051867430, now seen corresponding path program 1 times [2022-11-25 16:50:28,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:28,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533860841] [2022-11-25 16:50:28,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:50:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:50:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-25 16:50:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 16:50:28,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:28,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533860841] [2022-11-25 16:50:28,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533860841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:28,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:28,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:50:28,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408785982] [2022-11-25 16:50:28,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:28,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:50:28,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:28,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:50:28,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:50:28,808 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:50:28,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:28,830 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-11-25 16:50:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:50:28,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2022-11-25 16:50:28,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:50:28,833 INFO L225 Difference]: With dead ends: 47 [2022-11-25 16:50:28,834 INFO L226 Difference]: Without dead ends: 46 [2022-11-25 16:50:28,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:50:28,839 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 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 16:50:28,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:50:28,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-25 16:50:28,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2022-11-25 16:50:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.15625) internal successors, (37), 35 states have internal predecessors, (37), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 16:50:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2022-11-25 16:50:28,859 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 29 [2022-11-25 16:50:28,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:50:28,859 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2022-11-25 16:50:28,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:50:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-11-25 16:50:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 16:50:28,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:50:28,863 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:50:28,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:50:28,864 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 16:50:28,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:28,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1752494373, now seen corresponding path program 1 times [2022-11-25 16:50:28,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:28,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948983647] [2022-11-25 16:50:28,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:28,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:50:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:50:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-25 16:50:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 16:50:29,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:29,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948983647] [2022-11-25 16:50:29,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948983647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:29,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:29,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:50:29,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73674526] [2022-11-25 16:50:29,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:29,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:50:29,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:29,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:50:29,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:50:29,028 INFO L87 Difference]: Start difference. First operand 44 states and 48 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:50:29,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:29,053 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-11-25 16:50:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:50:29,054 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2022-11-25 16:50:29,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:50:29,058 INFO L225 Difference]: With dead ends: 46 [2022-11-25 16:50:29,058 INFO L226 Difference]: Without dead ends: 45 [2022-11-25 16:50:29,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:50:29,062 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:50:29,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 66 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:50:29,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-25 16:50:29,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2022-11-25 16:50:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.125) internal successors, (36), 34 states have internal predecessors, (36), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 16:50:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2022-11-25 16:50:29,083 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 30 [2022-11-25 16:50:29,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:50:29,084 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-11-25 16:50:29,084 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:50:29,085 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-11-25 16:50:29,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 16:50:29,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:50:29,088 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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 16:50:29,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:50:29,089 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 16:50:29,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:29,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1751847941, now seen corresponding path program 1 times [2022-11-25 16:50:29,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:29,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536918491] [2022-11-25 16:50:29,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:29,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:50:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:50:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-25 16:50:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:50:29,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:29,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536918491] [2022-11-25 16:50:29,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536918491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:29,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:29,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:50:29,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498089782] [2022-11-25 16:50:29,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:29,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:50:29,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:29,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:50:29,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:50:29,377 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:50:29,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:29,417 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2022-11-25 16:50:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:50:29,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2022-11-25 16:50:29,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:50:29,420 INFO L225 Difference]: With dead ends: 45 [2022-11-25 16:50:29,420 INFO L226 Difference]: Without dead ends: 41 [2022-11-25 16:50:29,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:50:29,422 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 8 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:50:29,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 94 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:50:29,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-25 16:50:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2022-11-25 16:50:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 16:50:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2022-11-25 16:50:29,439 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 30 [2022-11-25 16:50:29,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:50:29,440 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-11-25 16:50:29,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:50:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-11-25 16:50:29,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 16:50:29,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:50:29,442 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:50:29,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 16:50:29,443 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 16:50:29,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:29,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1507249364, now seen corresponding path program 1 times [2022-11-25 16:50:29,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:29,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089028993] [2022-11-25 16:50:29,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:29,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:50:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:50:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-25 16:50:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 16:50:29,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:29,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089028993] [2022-11-25 16:50:29,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089028993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:29,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:29,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:50:29,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216816521] [2022-11-25 16:50:29,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:29,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:50:29,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:29,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:50:29,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:50:29,531 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:50:29,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:29,552 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-11-25 16:50:29,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:50:29,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2022-11-25 16:50:29,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:50:29,555 INFO L225 Difference]: With dead ends: 41 [2022-11-25 16:50:29,555 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 16:50:29,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:50:29,559 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 68 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 16:50:29,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 68 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:50:29,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 16:50:29,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 16:50:29,563 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 16:50:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 16:50:29,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2022-11-25 16:50:29,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:50:29,564 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:50:29,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:50:29,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:50:29,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 16:50:29,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 16:50:29,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 16:50:29,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 16:50:29,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 16:50:29,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 16:50:29,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 16:50:29,666 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 16:50:29,666 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:50:29,666 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 16:50:29,666 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:50:29,667 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:50:29,667 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 16:50:29,667 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:50:29,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 16:50:29,667 INFO L899 garLoopResultBuilder]: For program point L1565(lines 1565 1572) no Hoare annotation was computed. [2022-11-25 16:50:29,667 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-25 16:50:29,668 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2022-11-25 16:50:29,668 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-25 16:50:29,668 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-11-25 16:50:29,668 INFO L902 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: true [2022-11-25 16:50:29,668 INFO L899 garLoopResultBuilder]: For program point L1584-1(line 1584) no Hoare annotation was computed. [2022-11-25 16:50:29,668 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1580) no Hoare annotation was computed. [2022-11-25 16:50:29,669 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.base|) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (= |ULTIMATE.start_goodG2B_~data~0#1| 2) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.offset|) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|)) [2022-11-25 16:50:29,669 INFO L899 garLoopResultBuilder]: For program point L1574-1(lines 1558 1575) no Hoare annotation was computed. [2022-11-25 16:50:29,669 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 16:50:29,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 16:50:29,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 16:50:29,669 INFO L895 garLoopResultBuilder]: At program point L1587(lines 1581 1588) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-25 16:50:29,670 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.base|) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (= |ULTIMATE.start_goodG2B_~data~0#1| 2) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.offset|) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|)) [2022-11-25 16:50:29,670 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1565 1572) no Hoare annotation was computed. [2022-11-25 16:50:29,670 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (or (and (= 2 |##fun~int~TO~VOID_CWE190_Integer_Overflow__int_fgets_multiply_65b_goodG2BSink_~data#1|) (= 2 |##fun~int~TO~VOID_#~95#1|)) (not (= 2 |##fun~int~TO~VOID_#in~95#1|))) [2022-11-25 16:50:29,670 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-25 16:50:29,670 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1603) no Hoare annotation was computed. [2022-11-25 16:50:29,670 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-25 16:50:29,671 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-25 16:50:29,671 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-25 16:50:29,671 INFO L899 garLoopResultBuilder]: For program point L1603-1(line 1603) no Hoare annotation was computed. [2022-11-25 16:50:29,671 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1609) no Hoare annotation was computed. [2022-11-25 16:50:29,671 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 16:50:29,671 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1610) no Hoare annotation was computed. [2022-11-25 16:50:29,671 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1611) no Hoare annotation was computed. [2022-11-25 16:50:29,671 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-25 16:50:29,672 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-11-25 16:50:29,672 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-25 16:50:29,672 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1595) no Hoare annotation was computed. [2022-11-25 16:50:29,672 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1596) no Hoare annotation was computed. [2022-11-25 16:50:29,672 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-25 16:50:29,672 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1603) no Hoare annotation was computed. [2022-11-25 16:50:29,673 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (not (= 2 |##fun~int~TO~VOID_#in~95#1|)) [2022-11-25 16:50:29,673 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: (or (not (= 2 |##fun~int~TO~VOID_#in~95#1|)) (and (< |##fun~int~TO~VOID_#in~#fp#1.offset| (+ |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.offset| 1)) (= 2 |##fun~int~TO~VOID_CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink_~data#1|) (< |##fun~int~TO~VOID_#in~#fp#1.base| (+ |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.base| 1)) (= 2 |##fun~int~TO~VOID_#~95#1|) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= |#funAddr~CWE190_Integer_Overflow__int_fgets_multiply_65b_goodB2GSink.base| |##fun~int~TO~VOID_#in~#fp#1.base|))) [2022-11-25 16:50:29,676 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-25 16:50:29,679 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:50:29,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:50:29 BoogieIcfgContainer [2022-11-25 16:50:29,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:50:29,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:50:29,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:50:29,691 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:50:29,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:27" (3/4) ... [2022-11-25 16:50:29,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:50:29,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 16:50:29,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 16:50:29,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-25 16:50:29,708 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-25 16:50:29,708 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-25 16:50:29,708 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 16:50:29,708 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:50:29,770 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:50:29,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:50:29,771 INFO L158 Benchmark]: Toolchain (without parser) took 4102.05ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 154.2MB in the beginning and 111.2MB in the end (delta: 43.0MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2022-11-25 16:50:29,771 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 127.9MB. Free memory was 101.5MB in the beginning and 101.4MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:29,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1232.85ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 92.0MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-25 16:50:29,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.58ms. Allocated memory is still 184.5MB. Free memory was 92.0MB in the beginning and 89.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:29,772 INFO L158 Benchmark]: Boogie Preprocessor took 36.34ms. Allocated memory is still 184.5MB. Free memory was 89.2MB in the beginning and 152.4MB in the end (delta: -63.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:50:29,772 INFO L158 Benchmark]: RCFGBuilder took 586.86ms. Allocated memory is still 184.5MB. Free memory was 152.4MB in the beginning and 144.6MB in the end (delta: 7.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 16:50:29,773 INFO L158 Benchmark]: TraceAbstraction took 2098.60ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 143.6MB in the beginning and 114.3MB in the end (delta: 29.3MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2022-11-25 16:50:29,773 INFO L158 Benchmark]: Witness Printer took 78.91ms. Allocated memory is still 222.3MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:29,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 127.9MB. Free memory was 101.5MB in the beginning and 101.4MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1232.85ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 92.0MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.58ms. Allocated memory is still 184.5MB. Free memory was 92.0MB in the beginning and 89.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.34ms. Allocated memory is still 184.5MB. Free memory was 89.2MB in the beginning and 152.4MB in the end (delta: -63.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 586.86ms. Allocated memory is still 184.5MB. Free memory was 152.4MB in the beginning and 144.6MB in the end (delta: 7.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2098.60ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 143.6MB in the beginning and 114.3MB in the end (delta: 29.3MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. * Witness Printer took 78.91ms. Allocated memory is still 222.3MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 1603]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1603]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: 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 4 procedures, 44 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 681 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 445 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 236 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=1, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 37 PreInvPairs, 41 NumberOfFragments, 89 HoareAnnotationTreeSize, 37 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 13/13 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: 1581]: Loop Invariant Derived loop invariant: data == 2 RESULT: Ultimate proved your program to be correct! [2022-11-25 16:50:29,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374b058f-0499-4ece-bfd6-d57ad3958617/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE